Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Pongrácz István]

eredeti üzenet-
Feladó: "Mike Hammett"

Címzett: "PVE User List"

Dátum: Wed, 17 Feb 2016 09:38:13 -0600 (CST)
--

>
>
>I don't know what GlusterFS is, but you want ZFS on raw disks. HBA 
>controllers, no RAID
>controllers.
>
>
>
>
>
>
>+1
>
>Seems better to use gluster on top of zfs, only for disk images (unlike openvz 
>in early
>proxmox).
>
>István
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Re: [PVE-User] ZFS over iSCSI...

[Michael Rasmussen]

On Wed, 17 Feb 2016 23:31:50 +0300
Mikhail  wrote:

> 
> So after your and Steffen's responses I'm going to give it a try as per
> Wiki instructions with Omnios over 10Gbit network.
> 
Should any of you run into a problem we have a discussion list for
omnios here: http://lists.omniti.com/mailman/listinfo/omnios-discuss

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Re: [PVE-User] ZFS over iSCSI...

[Mikhail]

On 02/17/2016 09:41 PM, Michael Rasmussen wrote:
> Do you mean iSCSI is not suited for ZFS? I say on the contrary. iSCSI
> and ZFS is a match in heaven;-)
> 
> Regarding wiki for ZFS over iSCSI: There simply is not more to it -
> follow the advice and you are up and running.

Thanks for the follow up on this.

I guess the reason why I think so is due to my misunderstanding of how
ZFS over iSCSI works. I just thought that it works the same way LVM over
iSCSI works (storage exports block device and client node uses this
device like local disk), but apparently it looks like ZFS has native
iSCSI support and obviously this changes everything.

So after your and Steffen's responses I'm going to give it a try as per
Wiki instructions with Omnios over 10Gbit network.

Cheers!
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Re: [PVE-User] ZFS over iSCSI...

[Michael Rasmussen]

On Wed, 17 Feb 2016 17:14:41 -0200
Gilberto Nunes  wrote:

> Wow! That's nice... I do not know Omnios... I will give a try...
> 
If you ned GUI you can fetch napp-it (web based administration):
https://www.napp-it.org/index_en.html

I good installation guide for Omnios (and napp-it):
http://www.napp-it.org/doc/downloads/napp-it.pdf

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Re: [PVE-User] ZFS over iSCSI...

[Steffen Wagner]

Linux has in general a not as good ZFS implementation as Solaris based os 
have. So better go for omnios.


Rgds
Steffen

---
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Am 17. Februar 2016 8:15:26 nachm. schrieb Gilberto Nunes 
:



Wow! That's nice... I do not know Omnios... I will give a try...

Thanks

2016-02-17 17:10 GMT-02:00 Michael Rasmussen :


On Wed, 17 Feb 2016 17:00:07 -0200
Gilberto Nunes  wrote:

> As I am a poor guy here, and I can't and prehaps even needed infinitband
> and whatever,
> I suppose if I deploy an Ubuntu Server with iscsi-target act as an
storage
> serve will work also, don't you agreed?
>
I have not tried Ubuntu, or any Linux for that matter, as ZFS storage
server so I cannot give any advice. Why not try Omnios? (the cost is as
Ubuntu - only your own precious time ;-)

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Re: [PVE-User] ZFS over iSCSI...

[Gilberto Nunes]

Wow! That's nice... I do not know Omnios... I will give a try...

Thanks

2016-02-17 17:10 GMT-02:00 Michael Rasmussen :

> On Wed, 17 Feb 2016 17:00:07 -0200
> Gilberto Nunes  wrote:
>
> > As I am a poor guy here, and I can't and prehaps even needed infinitband
> > and whatever,
> > I suppose if I deploy an Ubuntu Server with iscsi-target act as an
> storage
> > serve will work also, don't you agreed?
> >
> I have not tried Ubuntu, or any Linux for that matter, as ZFS storage
> server so I cannot give any advice. Why not try Omnios? (the cost is as
> Ubuntu - only your own precious time ;-)
>
> --
> Hilsen/Regards
> Michael Rasmussen
>
> Get my public GnuPG keys:
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> - The Elements of Programming Style (Kernighan & Plaugher)
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Re: [PVE-User] ZFS over iSCSI...

[Michael Rasmussen]

On Wed, 17 Feb 2016 17:00:07 -0200
Gilberto Nunes  wrote:

> As I am a poor guy here, and I can't and prehaps even needed infinitband
> and whatever,
> I suppose if I deploy an Ubuntu Server with iscsi-target act as an storage
> serve will work also, don't you agreed?
> 
I have not tried Ubuntu, or any Linux for that matter, as ZFS storage
server so I cannot give any advice. Why not try Omnios? (the cost is as
Ubuntu - only your own precious time ;-)

-- 
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Re: [PVE-User] ZFS over iSCSI...

[Gilberto Nunes]

As I am a poor guy here, and I can't and prehaps even needed infinitband
and whatever,
I suppose if I deploy an Ubuntu Server with iscsi-target act as an storage
serve will work also, don't you agreed?

2016-02-17 16:41 GMT-02:00 Michael Rasmussen :

> On Wed, 17 Feb 2016 20:12:34 +0300
> Mikhail  wrote:
>
> > Good question. I'm also in process of setting up new production HA
> > cluster with iSCSI shared storage over 10Gbit network and I also thought
> > of ZFS of course with all it's features. One thing that bothers me is
> > that ZFS is known and designed to work well with direct access to the
> > drives, which is not about iSCSI of course..
> >
> Do you mean iSCSI is not suited for ZFS? I say on the contrary. iSCSI
> and ZFS is a match in heaven;-)
>
> Regarding wiki for ZFS over iSCSI: There simply is not more to it -
> follow the advice and you are up and running.
>
> As Steffen mentions: A two or three node setup using a Solaris (Omnios
> in my case) based ZFS shared storage and the performance is unbeaten.
> Steffen uses 10 Gb ethernet while I use Infiniband DDR with this setup
> and a proper RAID 10 ZFS should give you:
> Random read I/0: ca. 4000 iops
> Random write I/O: ca. 1200-1500 iops
>
> Add to this: Life migration, life snapshots, linked clones.
>
> --
> Hilsen/Regards
> Michael Rasmussen
>
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Re: [PVE-User] ZFS over iSCSI...

[Michael Rasmussen]

On Wed, 17 Feb 2016 20:12:34 +0300
Mikhail  wrote:

> Good question. I'm also in process of setting up new production HA
> cluster with iSCSI shared storage over 10Gbit network and I also thought
> of ZFS of course with all it's features. One thing that bothers me is
> that ZFS is known and designed to work well with direct access to the
> drives, which is not about iSCSI of course..
> 
Do you mean iSCSI is not suited for ZFS? I say on the contrary. iSCSI
and ZFS is a match in heaven;-)

Regarding wiki for ZFS over iSCSI: There simply is not more to it -
follow the advice and you are up and running.

As Steffen mentions: A two or three node setup using a Solaris (Omnios
in my case) based ZFS shared storage and the performance is unbeaten.
Steffen uses 10 Gb ethernet while I use Infiniband DDR with this setup
and a proper RAID 10 ZFS should give you:
Random read I/0: ca. 4000 iops
Random write I/O: ca. 1200-1500 iops

Add to this: Life migration, life snapshots, linked clones.

-- 
Hilsen/Regards
Michael Rasmussen

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[PVE-User] Allow persistant changes in container system files

[Geminux]

Hi all,

I have to set some custom options in /etc/resolv.conf in a LXC container
(i.e "domain sub.domain.tld").

I noticed that any changes are overwritten upon container reboot.
Is there a way to do that ?

Thanks
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Re: [PVE-User] ?==?utf-8?q? ZFS over iSCSI...

[Steffen Wagner]

Running it with two-node cluster and dedicated solaris storage with direct 
attached disks (no HW-Raid).

Performance is awesome.

I had a special issue with direct attached storage (no 10GbE switch 
inbetween)... i already had openend some bug at bugzilla (and fixed another bug 
related to snapshots):

862

Kind regards,
Steffen

Am Mittwoch, Februar 17, 2016 18:12 CET, Mikhail  schrieb:
 Hello,

Good question. I'm also in process of setting up new production HA
cluster with iSCSI shared storage over 10Gbit network and I also thought
of ZFS of course with all it's features. One thing that bothers me is
that ZFS is known and designed to work well with direct access to the
drives, which is not about iSCSI of course..

Quick research did not bring anything useful. There's short page at
https://pve.proxmox.com/wiki/Storage:_ZFS_over_iSCSI, however it is very
general about such setup.

So I guess LVM on top of iSCSI is what I'm going to stick with for now
to setup new HA cluster with shared storage.

On 02/17/2016 07:21 PM, Gilberto Nunes wrote:
> Hello fellows...
> In previously messages, we talk about VM backup and some other stuff,
> until somebody mention ZFS.
> So, since I am very curious about it, I decide open a new thread to
> discuss this subject.
> Can I use a server with Ubuntu + IET iSCSI acting like an storage
> system, and PVE with 2 or 3 nodes, using this "storage" to deploy ZFS
> over iSCSI?? And using this structure to build a cluster and HA solution
> of course...
> Is this a safe environment??
> Somebody has some experience with this scenario??
>
>
>
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Re: [PVE-User] ZFS over iSCSI...

[Mikhail]

Hello,

Good question. I'm also in process of setting up new production HA
cluster with iSCSI shared storage over 10Gbit network and I also thought
of ZFS of course with all it's features. One thing that bothers me is
that ZFS is known and designed to work well with direct access to the
drives, which is not about iSCSI of course..

Quick research did not bring anything useful. There's short page at
https://pve.proxmox.com/wiki/Storage:_ZFS_over_iSCSI, however it is very
general about such setup.

So I guess LVM on top of iSCSI is what I'm going to stick with for now
to setup new HA cluster with shared storage.

On 02/17/2016 07:21 PM, Gilberto Nunes wrote:
> Hello fellows...
> In previously messages, we talk about VM backup and some other stuff,
> until somebody mention ZFS.
> So, since I am very curious about it, I decide open a new thread to
> discuss this subject.
> Can I use a server with Ubuntu + IET iSCSI acting like an storage
> system, and PVE with 2 or 3 nodes, using this "storage" to deploy ZFS
> over iSCSI?? And using this structure to build a cluster and HA solution
> of course...
> Is this a safe environment??
> Somebody has some experience with this scenario??
> 
> 
> 
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Re: [PVE-User] Proxmox 4.1 cluster issue

[Nicolas Costes]

Le mercredi 17 février 2016 11:51:17 Meyer, Kevin a écrit :
> Hi,
> 
> check your Switchconfig and make sure IGMP Snooping is configured correctly.
> Had this problem a few month ago.

I may add that I had to add an igmp querier to the switch on which our 3 
Proxmox servers are connected.

See : https://pve.proxmox.com/wiki/Multicast_notes

Hth :)

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[PVE-User] ZFS over iSCSI...

[Gilberto Nunes]

Hello fellows...
In previously messages, we talk about VM backup and some other stuff, until
somebody mention ZFS.
So, since I am very curious about it, I decide open a new thread to discuss
this subject.
Can I use a server with Ubuntu + IET iSCSI acting like an storage system,
and PVE with 2 or 3 nodes, using this "storage" to deploy ZFS over iSCSI??
And using this structure to build a cluster and HA solution of course...
Is this a safe environment??
Somebody has some experience with this scenario??
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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Mike Hammett]

I don't know what GlusterFS is, but you want ZFS on raw disks. HBA controllers, 
no RAID controllers. 




- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



Midwest Internet Exchange 
http://www.midwest-ix.com 


- Original Message -

From: "Gilberto Nunes"  
To: "PVE User List"  
Sent: Wednesday, February 17, 2016 9:24:09 AM 
Subject: Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation... 



I meant, ZFS on top of GlusterFS Storage... 
I seems to me that perfect possible, according to this post: 

http://www.jamescoyle.net/how-to/471-zfs-and-glusterfs-network-storage 





2016-02-17 13:12 GMT-02:00 Gilberto Nunes < gilberto.nune...@gmail.com > : 




ZFS! Nice to hear that... 
And I suppose that I can use ZFS in GlusterFS storage, right? 







2016-02-17 13:03 GMT-02:00 Dimitris Beletsiotis < 
dimitris.beletsio...@gmail.com > : 



+1 for ZFS 
Snaphot of 4TB VM disk (zvol) takes about a second on moderate hardware. 

Regards, 
Dimitris 




On 17-Feb-16 14:05, Pongrácz István wrote: 






Consider to use zfs for proxmox and use its snapshot/send/receive methods. 
Taking a snapshot usually less than a second and you can send the incremental 
changes over the network. 
You should check your existing systems and decide, is it worth to change your 
system or not. 
Bye, 
István 

eredeti üzenet- 
Feladó: "Gilberto Nunes"  
Címzett: "PVE User List"  
Dátum: Wed, 17 Feb 2016 09:49:08 -0200 
-- 




Thank you guys... I will study all suggestions and choose the best one... 
Thanks a lot 




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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Gilberto Nunes]

I meant, ZFS on top of GlusterFS Storage...
I seems to me that perfect possible, according to this post:

http://www.jamescoyle.net/how-to/471-zfs-and-glusterfs-network-storage



2016-02-17 13:12 GMT-02:00 Gilberto Nunes :

> ZFS! Nice to hear that...
> And I suppose that I can use ZFS in GlusterFS storage, right?
>
>
> 2016-02-17 13:03 GMT-02:00 Dimitris Beletsiotis <
> dimitris.beletsio...@gmail.com>:
>
>> +1 for ZFS
>> Snaphot of 4TB VM disk (zvol) takes about a second on moderate hardware.
>>
>> Regards,
>> Dimitris
>>
>>
>> On 17-Feb-16 14:05, Pongrácz István wrote:
>>
>>
>> Consider to use zfs for proxmox and use its snapshot/send/receive methods.
>>
>> Taking a snapshot  usually less than a second and you can send the
>> incremental changes over the network.
>>
>> You should check your existing systems and decide, is it worth to change
>> your system or not.
>>
>> Bye,
>>
>> István
>>
>>
>>
>> eredeti üzenet-
>> Feladó: "Gilberto Nunes" 
>> 
>> Címzett: "PVE User List" 
>> 
>> Dátum: Wed, 17 Feb 2016 09:49:08 -0200
>> --
>>
>>
>> Thank you guys... I will study all suggestions and choose the best one...
>> Thanks a lot
>>
>>
>>
>>
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>>
>
>
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>
> Gilberto Ferreira
> +55 (47) 9676-7530
> Skype: gilberto.nunes36
>
>


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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Gilberto Nunes]

ZFS! Nice to hear that...
And I suppose that I can use ZFS in GlusterFS storage, right?


2016-02-17 13:03 GMT-02:00 Dimitris Beletsiotis <
dimitris.beletsio...@gmail.com>:

> +1 for ZFS
> Snaphot of 4TB VM disk (zvol) takes about a second on moderate hardware.
>
> Regards,
> Dimitris
>
>
> On 17-Feb-16 14:05, Pongrácz István wrote:
>
>
> Consider to use zfs for proxmox and use its snapshot/send/receive methods.
>
> Taking a snapshot  usually less than a second and you can send the
> incremental changes over the network.
>
> You should check your existing systems and decide, is it worth to change
> your system or not.
>
> Bye,
>
> István
>
>
>
> eredeti üzenet-
> Feladó: "Gilberto Nunes" 
> 
> Címzett: "PVE User List" 
> 
> Dátum: Wed, 17 Feb 2016 09:49:08 -0200
> --
>
>
> Thank you guys... I will study all suggestions and choose the best one...
> Thanks a lot
>
>
>
>
> ___
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>
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>


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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Dimitris Beletsiotis]

+1 for ZFS
Snaphot of 4TB VM disk (zvol) takes about a second on moderate hardware.

Regards,
Dimitris

On 17-Feb-16 14:05, Pongrácz István wrote:



Consider to use zfs for proxmox and use its snapshot/send/receive methods.

Taking a snapshot  usually less than a second and you can send the 
incremental changes over the network.


You should check your existing systems and decide, is it worth to 
change your system or not.


Bye,

István

eredeti üzenet-
Feladó: "Gilberto Nunes" 
Címzett: "PVE User List" 
Dátum: Wed, 17 Feb 2016 09:49:08 -0200
--



Thank you guys... I will study all suggestions and choose the best one...
Thanks a lot




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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Fabrizio Cuseo]

I have your same problem; backup strategy and software is a priority for a lot 
of vendors; vmware have both backup (with dedup and flexible retention policy) 
and replication; veeam is a great suite and is a must-have for a more complex 
and big cluster. 
I know that proxmox is based on community software, and backup (i mean 
incremental backup) is not simple, but i can't believe that all the users are 
satisfied with vzdump. 
I personaly miss: 
- a retention policy different from "the last" backups; i know that i can write 
script to move and rotate some backups, but simplicity is the winner; if i 
could select in the backup option a "keep last X daily/weekly/monthly/yearly 
backups", all is simpler and error free 
- an incremental backup; this is really the big miss. I have too long backup 
windows, so i can't backup the vm every day. And I can't use backuppc/bacula or 
some other guest-based backup software, when i use proxmox to host vm for 
customers, 
- backup verification (it can be useful) 

Regarding incremental backups, based on dirty blocks, i don't know if this 
feature is usable: http://wiki.qemu.org/Features/IncrementalBackup 
But, even if only with some kind of storage backend, we could make incremental 
backups. Using ceph (that is fully supported by proxmox), is possibile to make 
incremental (or differential) backups, based on snapshots. I have manually 
tested with "rbd --export-diff" on ceph snapshots, and works like a charm. So i 
think that, even if only for ceph storage, it can be developed (zfs solution 
can be similar) 

No one need to have a better backup support ? 

Regards, Fabrizio 

- Il 17-feb-16, alle 14:19, Gilberto Nunes  ha 
scritto: 

> you know... more than one backup never is too much

> 2016-02-17 10:48 GMT-02:00 Alwin Antreich < sysadmin-...@cognitec.com > :

>> As an idea, if you have a separate disk for your data and you already create
>> backups inside your VM, why not skip the
>> backup of this VM disk? In case of an emergency you may need to restore your
>> backups inside the VM anyway. So it might
>> be faster in the event of a disaster to recreate the disk and restore your
>> backups inside the VM. As you said an email
>> earlier, the backup of the disk takes a long time, so might also the restore.

>> Regards,
>> Alwin

>> On 02/17/2016 01:31 PM, Gilberto Nunes wrote:
>> > Yes Alwin...

>> > I consider to make backup from account as well, in separate method...
>>> I am concern about the VM backup when send this e-mail, 'cause inside the 
>>> VM I
>> > already have accounts backup...

>> > Thanks a lot for your advice

>>> 2016-02-17 10:25 GMT-02:00 Alwin Antreich < sysadmin-...@cognitec.com 
>>> > > sysadmin-...@cognitec.com >>:

>> > Hi all,

>> > @Gilberto
>>> please keep in mind, to get consistent backups you need to backup your 
>>> zimbra
>> > database by different means then by only
>> > taking a snapshot.

>> > Regards,
>> > Alwin

>> > On 02/17/2016 01:05 PM, Pongrácz István wrote:

>> > > Consider to use zfs for proxmox and use its snapshot/send/receive 
>> > > methods.

>>> > Taking a snapshot usually less than a second and you can send the 
>>> > incremental
>> > > changes over the network.

>>> > You should check your existing systems and decide, is it worth to change 
>>> > your
>> > > system or not.

>> > > Bye,

>> > > István



>> > > eredeti üzenet-
>>> > Feladó: "Gilberto Nunes" < gilberto.nune...@gmail.com > > > gilberto.nune...@gmail.com >>
>>> > Címzett: "PVE User List" < pve-user@pve.proxmox.com > > > pve-user@pve.proxmox.com >>
>> > > Dátum: Wed, 17 Feb 2016 09:49:08 -0200
>> > > --


>> > >> Thank you guys... I will study all suggestions and choose the best 
>> > >> one...
>> > >> Thanks a lot





>> > > ___
>> > > pve-user mailing list
>> > > pve-user@pve.proxmox.com 
>> > > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user

>> > ___
>> > pve-user mailing list
>> > pve-user@pve.proxmox.com 
>> > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user




>> > --

>> > Gilberto Ferreira
>> > +55 (47) 9676-7530
>> > Skype: gilberto.nunes36



>> > ___
>> > pve-user mailing list
>> > pve-user@pve.proxmox.com
>> > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user

>> ___
>> pve-user mailing list
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>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user

> --

> Gilberto Ferreira
> +55 (47) 9676-7530
> Skype: gilberto.nunes36

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--- 
Fabrizio Cuseo - mailto:f.cu...@panservice.it 
Direzione Generale - Panservice InterNetWorking 
Servizi Professionali per Internet ed i

Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Gilberto Nunes]

I am consider to test Hot Copy backup...

Somebody please, correct if I am wrong, but Ho Cpy can create a device,
such as /dev/HOTCOPYDEVICE, I am abe to create snapshot from other
/dev/ to the hot copy device, and mount it like any other normal
device...

Cool indeed!...

If it so, I can snapshot the /dev/vda9, e.g., to the hot copy device, which
is in a large virtual disk, as Lindsay suggest, and mount it when need
recovery some file

Just an idea!

2016-02-17 11:34 GMT-02:00 Lindsay Mathieson :

> On 17/02/2016 9:43 PM, Steffen Wagner wrote:
>
>> Can be all done with file based backups. No need to backup full vm with
>> operating system and lots of overhead.
>>
>
>
> Perhaps use a separate virtual disk for the data. Then one could do vz
> image backups for the system disk and incremental file based backups for
> the data disk.
>
> --
> Lindsay Mathieson
>
>
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Re: [PVE-User] Proxmox 4.1 cluster issue

[Guy Plunkett]

Hello,

Thank you!!.. Yup that was it.. well part of it.. I also added entries into 
/etc/hosts for all the proxmox heads. As my DNS server isn’t up just yet.



Guy



> On 17 Feb 2016, at 11:51, Meyer, Kevin  wrote:
> 
> Hi,
>  
> check your Switchconfig and make sure IGMP Snooping is configured correctly. 
> Had this problem a few month ago.
>  
> 
> Mit freundlichen Grüßen / Best regards
> 
> Kevin Meyer
> Projekte
> 
> 
> Treml & Sturm Datentechnik GmbH
> Mühlheimer Straße 209
> D-63075 Offenbach am Main
> Deutschland/Germany
> 
> Telefon: +49 (0) 69 - 8990820
> Telefax: +49 (0) 69 - 89908233
> 
> E-Mail: i...@treml-sturm.de 
> Internet: http://www.treml-sturm.de 
> 
> Geschäftsführende Gesellschafter:
> Johannes Treml und Roland Sturm
> Sitz der Gesellschaft: Offenbach am Main
> Registergericht: Amtsgericht Offenbach am Main
> Registernummer: 5 HRB 10140
> USt-ID: DE 182038999
> 
> Von: pve-user [mailto:pve-user-boun...@pve.proxmox.com] Im Auftrag von Guy 
> Plunkett
> Gesendet: Mittwoch, 17. Februar 2016 12:47
> An: PVE User List 
> Betreff: Re: [PVE-User] Proxmox 4.1 cluster issue
>  
> I’ve just rebuild all my proxmox heads and created a new cluster. No HA.
>  
> This was working just fine before upgrading to proxmox 4.1
>  
> Within 5 minutes adding all 4 systems to the cluster proxmox03 and proxmox01 
> have dropped from the cluster group.
>  
> I’m seeing the following filling up the logs
>  
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
> 4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
> 
> 
>  
> Feb 17 11:44:48 proxmox01 corosync[3195]: [MAIN  ] Completed service 
> synchronization, ready to provide servi
> Feb 17 11:44:54 proxmox01 corosync[3195]: [TOTEM ] A new membership 
> (10.240.0.100:220) was formed. Members l
> Feb 17 11:44:54 proxmox01 corosync[3195]: [TOTEM ] Failed to receive the 
> leave message. failed: 3 1
> Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] notice: members: 4/3172
> Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [status] notice: members: 4/3172
> Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [status] notice: node lost quorum
> Feb 17 11:44:54 proxmox01 corosync[3195]: [QUORUM] This node is within the 
> non-primary component and will NO
> Feb 17 11:44:54 proxmox01 corosync[3195]: [QUORUM] Members[1]: 4
> Feb 17 11:44:54 proxmox01 corosync[3195]: [MAIN  ] Completed service 
> synchronization, ready to provide servi
> Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] crit: received write while not 
> quorate - trigger resync
> Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] crit: leaving CPG group
> Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: start cluster 
> connection
> Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: members: 4/3172
> Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: all data is up to date
> 
> 
>  
> 
> Guy
>  
>  
>  
> On 17 Feb 2016, at 07:23, Thomas Lamprecht  > wrote:
>  
> Note that /etc/cluster/cluster.conf isn't needed anymore, everything cluster 
> relevant will we read out of /etc/pve/corosync.conf (which looks good as far 
> as I can see).
> 
> You said you upgrade, are you really _really_ sure you did not miss a step 
> (no offense)?
> 
> I assume you rebuild the cluster cleanly with pvecm addnode <...>?
> 
> Can you post also your /etc/hostname and /etc/network/interfaces,
> but it seems to be able to connect initially, thus they should be fine...
> 
> 
> proxmox04 seems to be the problem, as the other can connect just fine.
> 
> Can you post whats happenin

Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Lindsay Mathieson]

On 17/02/2016 9:43 PM, Steffen Wagner wrote:
Can be all done with file based backups. No need to backup full vm 
with operating system and lots of overhead.



Perhaps use a separate virtual disk for the data. Then one could do vz 
image backups for the system disk and incremental file based backups for 
the data disk.


--
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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Gilberto Nunes]

you know... more than one backup never is too much

2016-02-17 10:48 GMT-02:00 Alwin Antreich :

> As an idea, if you have a separate disk for your data and you already
> create backups inside your VM, why not skip the
> backup of this VM disk? In case of an emergency you may need to restore
> your backups inside the VM anyway. So it might
> be faster in the event of a disaster to recreate the disk and restore your
> backups inside the VM. As you said an email
> earlier, the backup of the disk takes a long time, so might also the
> restore.
>
> Regards,
> Alwin
>
>
> On 02/17/2016 01:31 PM, Gilberto Nunes wrote:
> > Yes Alwin...
> >
> > I consider to make backup from account as well, in separate method...
> > I am concern about the VM backup when send this e-mail, 'cause inside
> the VM I already have accounts backup...
> >
> > Thanks a lot for your advice
> >
> > 2016-02-17 10:25 GMT-02:00 Alwin Antreich  >:
> >
> > Hi all,
> >
> > @Gilberto
> > please keep in mind, to get consistent backups you need to backup
> your zimbra database by different means then by only
> > taking a snapshot.
> >
> > Regards,
> > Alwin
> >
> > On 02/17/2016 01:05 PM, Pongrácz István wrote:
> > >
> > > Consider to use zfs for proxmox and use its snapshot/send/receive
> methods.
> > >
> > > Taking a snapshot  usually less than a second and you can send the
> incremental changes over the network.
> > >
> > > You should check your existing systems and decide, is it worth to
> change your system or not.
> > >
> > > Bye,
> > >
> > > István
> > >
> > >
> > >
> > > eredeti üzenet-
> > > Feladó: "Gilberto Nunes"  gilberto.nune...@gmail.com>>
> > > Címzett: "PVE User List"  pve-user@pve.proxmox.com>>
> > > Dátum: Wed, 17 Feb 2016 09:49:08 -0200
> > > --
> > >
> > >>
> > >> Thank you guys... I will study all suggestions and choose the
> best one...
> > >> Thanks a lot
> > >
> > >
> > >
> > >
> > >
> > > ___
> > > pve-user mailing list
> > > pve-user@pve.proxmox.com 
> > > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> > >
> > ___
> > pve-user mailing list
> > pve-user@pve.proxmox.com 
> > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> >
> >
> >
> >
> > --
> >
> > Gilberto Ferreira
> > +55 (47) 9676-7530
> > Skype: gilberto.nunes36
> >
> >
> >
> > ___
> > pve-user mailing list
> > pve-user@pve.proxmox.com
> > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> >
> ___
> pve-user mailing list
> pve-user@pve.proxmox.com
> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>



-- 

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Skype: gilberto.nunes36
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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Alwin Antreich]

As an idea, if you have a separate disk for your data and you already create 
backups inside your VM, why not skip the
backup of this VM disk? In case of an emergency you may need to restore your 
backups inside the VM anyway. So it might
be faster in the event of a disaster to recreate the disk and restore your 
backups inside the VM. As you said an email
earlier, the backup of the disk takes a long time, so might also the restore.

Regards,
Alwin


On 02/17/2016 01:31 PM, Gilberto Nunes wrote:
> Yes Alwin...
> 
> I consider to make backup from account as well, in separate method...
> I am concern about the VM backup when send this e-mail, 'cause inside the VM 
> I already have accounts backup...
> 
> Thanks a lot for your advice
> 
> 2016-02-17 10:25 GMT-02:00 Alwin Antreich  >:
> 
> Hi all,
> 
> @Gilberto
> please keep in mind, to get consistent backups you need to backup your 
> zimbra database by different means then by only
> taking a snapshot.
> 
> Regards,
> Alwin
> 
> On 02/17/2016 01:05 PM, Pongrácz István wrote:
> >
> > Consider to use zfs for proxmox and use its snapshot/send/receive 
> methods.
> >
> > Taking a snapshot  usually less than a second and you can send the 
> incremental changes over the network.
> >
> > You should check your existing systems and decide, is it worth to 
> change your system or not.
> >
> > Bye,
> >
> > István
> >
> >
> >
> > eredeti üzenet-
> > Feladó: "Gilberto Nunes"  >
> > Címzett: "PVE User List"  >
> > Dátum: Wed, 17 Feb 2016 09:49:08 -0200
> > --
> >
> >>
> >> Thank you guys... I will study all suggestions and choose the best 
> one...
> >> Thanks a lot
> >
> >
> >
> >
> >
> > ___
> > pve-user mailing list
> > pve-user@pve.proxmox.com 
> > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> >
> ___
> pve-user mailing list
> pve-user@pve.proxmox.com 
> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> 
> 
> 
> 
> -- 
> 
> Gilberto Ferreira
> +55 (47) 9676-7530
> Skype: gilberto.nunes36
> 
> 
> 
> ___
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> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> 
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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Gilberto Nunes]

Yes Alwin...

I consider to make backup from account as well, in separate method...
I am concern about the VM backup when send this e-mail, 'cause inside the
VM I already have accounts backup...

Thanks a lot for your advice

2016-02-17 10:25 GMT-02:00 Alwin Antreich :

> Hi all,
>
> @Gilberto
> please keep in mind, to get consistent backups you need to backup your
> zimbra database by different means then by only
> taking a snapshot.
>
> Regards,
> Alwin
>
> On 02/17/2016 01:05 PM, Pongrácz István wrote:
> >
> > Consider to use zfs for proxmox and use its snapshot/send/receive
> methods.
> >
> > Taking a snapshot  usually less than a second and you can send the
> incremental changes over the network.
> >
> > You should check your existing systems and decide, is it worth to change
> your system or not.
> >
> > Bye,
> >
> > István
> >
> >
> >
> > eredeti üzenet-
> > Feladó: "Gilberto Nunes" 
> > Címzett: "PVE User List" 
> > Dátum: Wed, 17 Feb 2016 09:49:08 -0200
> > --
> >
> >>
> >> Thank you guys... I will study all suggestions and choose the best
> one...
> >> Thanks a lot
> >
> >
> >
> >
> >
> > ___
> > pve-user mailing list
> > pve-user@pve.proxmox.com
> > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> >
> ___
> pve-user mailing list
> pve-user@pve.proxmox.com
> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>



-- 

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+55 (47) 9676-7530
Skype: gilberto.nunes36
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Re: [PVE-User] VM Backup best practices recommendation...

[Gerald Brandt]

I use BackupPC to back up data from servers daily. vzdump backups I do 
weekly, and use for disaster recovery purposes only.


Gerald


On 2016-02-17 04:00 AM, Gilberto Nunes wrote:

Hello list

I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.
Everything is fine.
This VM is our Zimbra Mail Server in which we have about 1 000 accounts.
The amount of disk space is about 1,4 TB.
As can you see, with a bug partition like this, it's very difficult to 
make and mantain backups...

And, to worst eerything, vzdump backup tooks so long to make a backup...
What recommendation can you,guys, point to me to mitigate such situation?
I will grateful for any advice




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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Alwin Antreich]

Hi all,

@Gilberto
please keep in mind, to get consistent backups you need to backup your zimbra 
database by different means then by only
taking a snapshot.

Regards,
Alwin

On 02/17/2016 01:05 PM, Pongrácz István wrote:
> 
> Consider to use zfs for proxmox and use its snapshot/send/receive methods.
> 
> Taking a snapshot  usually less than a second and you can send the 
> incremental changes over the network. 
> 
> You should check your existing systems and decide, is it worth to change your 
> system or not.
> 
> Bye,
> 
> István
> 
>  
> 
> eredeti üzenet-
> Feladó: "Gilberto Nunes" 
> Címzett: "PVE User List" 
> Dátum: Wed, 17 Feb 2016 09:49:08 -0200
> --
> 
>>
>> Thank you guys... I will study all suggestions and choose the best one...
>> Thanks a lot
> 
>  
> 
> 
> 
> ___
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Re: [PVE-User] ??utf-8?q? VM Backup best practicesrecommendation...

[Pongrácz István]

Consider to use zfs for proxmox and use its snapshot/send/receive methods.

Taking a snapshot usually less than a second and you can send the incremental 
changes over the network.

You should check your existing systems and decide, is it worth to change your 
system or not.

Bye,

István



eredeti üzenet-
Feladó: "Gilberto Nunes" gilberto.nune...@gmail.com
Címzett: "PVE User List"

Dátum: Wed, 17 Feb 2016 09:49:08 -0200
--

>
>
>
>Thank you guys... I will study all suggestions and choose the best one...
>
>Thanks a lot
>
>
>
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Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Stefano Marinelli]

Hi all, 
I've been using for a long time a nice tool called "burp" 
(http://burp.grke.org/), creating a LVM snapshot, mounting read only, and 
copying. It has (sort of) deduplication, compression, delta-differencing, etc.

I think it's one of the best backup tools out there, and has a nice 
server/client architecture. 

Have a look at it, you won't be disappointed.

Stefano


Da: "Gilberto Nunes"  
A: "PVE User List"  
Inviato: Mercoledì, 17 febbraio 2016 12:49:08 
Oggetto: Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation... 

Thank you guys... I will study all suggestions and choose the best one... 

Thanks a lot 

2016-02-17 9:43 GMT-02:00 Steffen Wagner < steffen.wag...@cubyte.net > : 



BQ_BEGIN


I think you should make backups of data on one side and on the other hand 
system data. 

Can be all done with file based backups. No need to backup full vm with 
operating system and lots of overhead. 

best rgds, 
Steffen 

Am Mittwoch, Februar 17, 2016 12:41 CET, "Luis G. Coralle" < 
luiscora...@fi.uncoma.edu.ar > schrieb: 

BQ_BEGIN

I think you should make backups of data on one side and on the other hand 
system data. 
2016-02-17 7:00 GMT-03:00 Gilberto Nunes < gilberto.nune...@gmail.com > : 
BQ_BEGIN

Hello list 
I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1. 
Everything is fine. 
This VM is our Zimbra Mail Server in which we have about 1 000 accounts. 
The amount of disk space is about 1,4 TB. 
As can you see, with a bug partition like this, it's very difficult to make and 
mantain backups... 
And, to worst eerything, vzdump backup tooks so long to make a backup... 
What recommendation can you,guys, point to me to mitigate such situation? 
I will grateful for any advice 


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BQ_END

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BQ_END


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BQ_END




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Skype: gilberto.nunes36 


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Dott. Stefano Marinelli

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Tel. (+39) 051/972010

- Messaggio originale -
Da: "Gilberto Nunes" 
A: "PVE User List" 
Inviato: Mercoledì, 17 febbraio 2016 12:49:08
Oggetto: Re: [PVE-User] ?==?utf-8?q? VM Backup best practices   
recommendation...

Thank you guys... I will study all suggestions and choose the best one... 

Thanks a lot 

2016-02-17 9:43 GMT-02:00 Steffen Wagner < steffen.wag...@cubyte.net > : 



BQ_BEGIN


I think you should make backups of data on one side and on the other hand 
system data. 

Can be all done with file based backups. No need to backup full vm with 
operating system and lots of overhead. 

best rgds, 
Steffen 

Am Mittwoch, Februar 17, 2016 12:41 CET, "Luis G. Coralle" < 
luiscora...@fi.uncoma.edu.ar > schrieb: 

BQ_BEGIN

I think you should make backups of data on one side and on the other hand 
system data. 
2016-02-17 7:00 GMT-03:00 Gilberto Nunes < gilberto.nune...@gmail.com > : 
BQ_BEGIN

Hello list 
I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1. 
Everything is fine. 
This VM is our Zimbra Mail Server in which we have about 1 000 accounts. 
The amount of disk space is about 1,4 TB. 
As can you see, with a bug partition like this, it's very difficult to make and 
mantain backups... 
And, to worst eerything, vzdump backup tooks so long to make a backup... 
What recommendation can you,guys, point to me to mitigate such situation? 
I will grateful for any advice 


___ 
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BQ_END

-- 
Luis G. Coralle 

BQ_END


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BQ_END




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+55 (47) 9676-7530 
Skype: gilberto.nunes36 


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Re: [PVE-User] Proxmox 4.1 cluster issue

[Meyer, Kevin]

Hi,

check your Switchconfig and make sure IGMP Snooping is configured correctly. 
Had this problem a few month ago.


Mit freundlichen Gr??en / Best regards

Kevin Meyer
Projekte


Treml & Sturm Datentechnik GmbH
M?hlheimer Stra?e 209
D-63075 Offenbach am Main
Deutschland/Germany

Telefon: +49 (0) 69 - 8990820
Telefax: +49 (0) 69 - 89908233

E-Mail: i...@treml-sturm.de
Internet: http://www.treml-sturm.de

Gesch?ftsf?hrende Gesellschafter:
Johannes Treml und Roland Sturm
Sitz der Gesellschaft: Offenbach am Main
Registergericht: Amtsgericht Offenbach am Main
Registernummer: 5 HRB 10140
USt-ID: DE 182038999
Von: pve-user [mailto:pve-user-boun...@pve.proxmox.com] Im Auftrag von Guy 
Plunkett
Gesendet: Mittwoch, 17. Februar 2016 12:47
An: PVE User List 
Betreff: Re: [PVE-User] Proxmox 4.1 cluster issue

I've just rebuild all my proxmox heads and created a new cluster. No HA.

This was working just fine before upgrading to proxmox 4.1

Within 5 minutes adding all 4 systems to the cluster proxmox03 and proxmox01 
have dropped from the cluster group.

I'm seeing the following filling up the logs

Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e



Feb 17 11:44:48 proxmox01 corosync[3195]: [MAIN  ] Completed service 
synchronization, ready to provide servi
Feb 17 11:44:54 proxmox01 corosync[3195]: [TOTEM ] A new membership 
(10.240.0.100:220) was formed. Members l
Feb 17 11:44:54 proxmox01 corosync[3195]: [TOTEM ] Failed to receive the leave 
message. failed: 3 1
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] notice: members: 4/3172
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [status] notice: members: 4/3172
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [status] notice: node lost quorum
Feb 17 11:44:54 proxmox01 corosync[3195]: [QUORUM] This node is within the 
non-primary component and will NO
Feb 17 11:44:54 proxmox01 corosync[3195]: [QUORUM] Members[1]: 4
Feb 17 11:44:54 proxmox01 corosync[3195]: [MAIN  ] Completed service 
synchronization, ready to provide servi
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] crit: received write while not 
quorate - trigger resync
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] crit: leaving CPG group
Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: start cluster connection
Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: members: 4/3172
Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: all data is up to date




Guy



On 17 Feb 2016, at 07:23, Thomas Lamprecht 
mailto:t.lampre...@proxmox.com>> wrote:

Note that /etc/cluster/cluster.conf isn't needed anymore, everything cluster 
relevant will we read out of /etc/pve/corosync.conf (which looks good as far as 
I can see).

You said you upgrade, are you really _really_ sure you did not miss a step (no 
offense)?

I assume you rebuild the cluster cleanly with pvecm addnode <...>?

Can you post also your /etc/hostname and /etc/network/interfaces,
but it seems to be able to connect initially, thus they should be fine...


proxmox04 seems to be the problem, as the other can connect just fine.

Can you post whats happening there with:
$ journalctl -u corosync.service -u pve-cluster.service -b

So we filter out (possible) irrelevant other logging.

cheers,
Thomas
On 02/16/2016 07:46 PM, Guy Plunkett wrote:
Hello,

I've upgraded my Dell M1000 blade centre to Proxmox 4.1. The upgrade seems to 
go fine, however I can't seem to have all 4 nodes connected at once.  It seems 
to work for a short time then then one node will disappear,  I can SSH to it 
just fine, and have to restart corosync and pve-

Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Gilberto Nunes]

Thank you guys... I will study all suggestions and choose the best one...

Thanks a lot

2016-02-17 9:43 GMT-02:00 Steffen Wagner :

> I think you should make backups of data on one side and on the other hand
> system data.
>
> Can be all done with file based backups. No need to backup full vm with
> operating system and lots of overhead.
>
> best rgds,
> Steffen
>
> Am Mittwoch, Februar 17, 2016 12:41 CET, "Luis G. Coralle" <
> luiscora...@fi.uncoma.edu.ar> schrieb:
>
>
> I think you should make backups of data on one side and on the other hand
> system data.
>
> 2016-02-17 7:00 GMT-03:00 Gilberto Nunes :
>>
>> Hello list
>>
>> I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.
>> Everything is fine.
>> This VM is our Zimbra Mail Server in which we have about 1 000 accounts.
>> The amount of disk space is about 1,4 TB.
>> As can you see, with a bug partition like this, it's very difficult to
>> make and mantain backups...
>> And, to worst eerything, vzdump backup tooks so long to make a backup...
>> What recommendation can you,guys, point to me to mitigate such situation?
>> I will grateful for any advice
>>
>>
>>
>> ___
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>> pve-user@pve.proxmox.com
>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>
>
>
>
> --
> Luis G. Coralle
>
>
>
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>


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Re: [PVE-User] Proxmox 4.1 cluster issue

[Guy Plunkett]

I’ve just rebuild all my proxmox heads and created a new cluster. No HA.

This was working just fine before upgrading to proxmox 4.1

Within 5 minutes adding all 4 systems to the cluster proxmox03 and proxmox01 
have dropped from the cluster group.

I’m seeing the following filling up the logs

Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e
Feb 17 11:42:23 proxmox04 corosync[34115]: [TOTEM ] Retransmit List: 4d7 4d8 
4d9 4da 4db 4dc 4dd 4de 4df 4e0 4e1 4e2 4e


Feb 17 11:44:48 proxmox01 corosync[3195]: [MAIN  ] Completed service 
synchronization, ready to provide servi
Feb 17 11:44:54 proxmox01 corosync[3195]: [TOTEM ] A new membership 
(10.240.0.100:220) was formed. Members l
Feb 17 11:44:54 proxmox01 corosync[3195]: [TOTEM ] Failed to receive the leave 
message. failed: 3 1
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] notice: members: 4/3172
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [status] notice: members: 4/3172
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [status] notice: node lost quorum
Feb 17 11:44:54 proxmox01 corosync[3195]: [QUORUM] This node is within the 
non-primary component and will NO
Feb 17 11:44:54 proxmox01 corosync[3195]: [QUORUM] Members[1]: 4
Feb 17 11:44:54 proxmox01 corosync[3195]: [MAIN  ] Completed service 
synchronization, ready to provide servi
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] crit: received write while not 
quorate - trigger resync
Feb 17 11:44:54 proxmox01 pmxcfs[3172]: [dcdb] crit: leaving CPG group
Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: start cluster connection
Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: members: 4/3172
Feb 17 11:44:55 proxmox01 pmxcfs[3172]: [dcdb] notice: all data is up to date



Guy



> On 17 Feb 2016, at 07:23, Thomas Lamprecht  wrote:
> 
> Note that /etc/cluster/cluster.conf isn't needed anymore, everything cluster 
> relevant will we read out of /etc/pve/corosync.conf (which looks good as far 
> as I can see).
> 
> You said you upgrade, are you really _really_ sure you did not miss a step 
> (no offense)?
> 
> I assume you rebuild the cluster cleanly with pvecm addnode <...>?
> 
> Can you post also your /etc/hostname and /etc/network/interfaces,
> but it seems to be able to connect initially, thus they should be fine...
> 
> 
> proxmox04 seems to be the problem, as the other can connect just fine.
> 
> Can you post whats happening there with:
> $ journalctl -u corosync.service -u pve-cluster.service -b
> 
> So we filter out (possible) irrelevant other logging.
> 
> cheers,
> Thomas
> 
> On 02/16/2016 07:46 PM, Guy Plunkett wrote:
>> Hello,
>> 
>> I’ve upgraded my Dell M1000 blade centre to Proxmox 4.1. The upgrade seems 
>> to go fine, however I can’t seem to have all 4 nodes connected at once.  It 
>> seems to work for a short time then then one node will disappear,  I can SSH 
>> to it just fine, and have to restart corosync and pve-cluster and it will 
>> join again, however shortly later another node will disappear.
>> 
>> Finally a node crashes and restarts. There is nothing present in the syslogs 
>> as to why this node cashed.
>> 
>> I’ve spent 2 days fighting with this to try and resolve it.  This was 
>> working just fine on 3.x.
>> 
>> Please can someone help here I’m pulling my hair out trying to get this 
>> working, and I don’t have much left!
>> 
>> Cheers,
>> —Guy
>> 
>> Feb 16 16:32:50 proxmox01 corosync[5747]:  [TOTEM ] A new membership 
>> (10.240.0.100:35536) was formed. Members
>> Feb 16 16:32:50 proxmox01 corosync[5747]:  [QUORUM] Members[3]: 4 3 2
>> Feb 16 16:32:50 proxmox01 corosync[5747]:  [MAIN  ] Completed service 
>> synchronization, ready to provide service.
>> Feb 16 16:32:53 proxmox01 corosync[5747]:  [TOTEM ] A new mem

Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Steffen Wagner]

I think you should make backups of data on one side and on the other hand 
system data.Can be all done with file based backups. No need to backup full vm 
with operating system and lots of overhead.

best rgds,
Steffen

Am Mittwoch, Februar 17, 2016 12:41 CET, "Luis G. Coralle" 
 schrieb:
 I think you should make backups of data on one side and on the other hand 
system data. 2016-02-17 7:00 GMT-03:00 Gilberto Nunes 
:Hello list
 I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.Everything is 
fine.This VM is our Zimbra Mail Server in which we have about 1 000 
accounts.The amount of disk space is about 1,4 TB.As can you see, with a bug 
partition like this, it's very difficult to make and mantain backups...And, to 
worst eerything, vzdump backup tooks so long to make a backup...What 
recommendation can you,guys, point to me to mitigate such situation?I will 
grateful for any advice
 
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   --Luis G. Coralle
 
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Re: [PVE-User] VM Backup best practices recommendation...

[Luis G. Coralle]

I think you should make backups of data on one side and on the other hand
system data.

2016-02-17 7:00 GMT-03:00 Gilberto Nunes :

> Hello list
>
> I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.
> Everything is fine.
> This VM is our Zimbra Mail Server in which we have about 1 000 accounts.
> The amount of disk space is about 1,4 TB.
> As can you see, with a bug partition like this, it's very difficult to
> make and mantain backups...
> And, to worst eerything, vzdump backup tooks so long to make a backup...
> What recommendation can you,guys, point to me to mitigate such situation?
> I will grateful for any advice
>
>
>
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Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Ulrich Huber]

Am Mittwoch, Februar 17, 2016 11:00 CET, Gilberto Nunes 
 schrieb:
 

Hello list
 

I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.

Everything is fine.

This VM is our Zimbra Mail Server in which we have about 1 000 accounts.

The amount of disk space is about 1,4 TB.

As can you see, with a bug partition like this, it's very difficult to make and 
mantain backups...

And, to worst eerything, vzdump backup tooks so long to make a backup...

What recommendation can you,guys, point to me to mitigate such situation?

I will grateful for any advice


 [Ulrich Huber] Bacula was already mentioned – but which filesystem are you 
using at the PVE-Host and within the guest?  Some Filesystems allow shadow 
copy, so there is no need to suspend the host….

[Ulrich Huber] Another idea is rsnapshot – I do use this for staggered Backups. 
Usually, I use an iscsi-share, mount this share, make the snapshot, unmount and 
make another copy of the unmounted share on tape. 

Or you try with lvm and lvm-shanpshots…. 

You can combine the idea of creating an md-Raid with iscsi (using the iscsi as 
mirror-disk, break the mirror, copy the second disk to backup, reestablish the 
mirror and start a remirroring… (but I have no idea about performance, I never 
tried this – just a theoretical approach…) 

 

Maybe there are some more ideas:

http://serverfault.com/questions/231073/linux-equivalent-for-windows-shadow-copies
 - 

 


  
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Gilberto Ferreira
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Skype: gilberto.nunes36

 

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Re: [PVE-User] ?==?utf-8?q? ?==?utf-8?q? ?= VM Backup best practices recommendation..

[Steffen Wagner]

Perhaps this can help to improve performance?In first line it will reduce used 
disk space for backups... a full backup through vzdump makes at least 1TB of 
backup each... thats quite a lot. Therefore something incremental with dedup is 
needed so save place and with that comes also the time needed for the backup.
On top of that to "downtime" is required.

best rgds,
Steffen


Am Mittwoch, Februar 17, 2016 11:13 CET, Gilberto Nunes 
 schrieb:
 Hi Steffen

I considered bacula at first glace, but it took much time as well... Ok.. I am 
not using deduplication.
Perhaps this can help to improve performance? 2016-02-17 8:06 GMT-02:00 Steffen 
Wagner :Hi Gilberto,

in your case i would not go for full vm backup, but for something folder 
based...

I am just testing out Bacula (http://bacula.org/) backup system. Maybe you 
could also have a look onto this project as it seems to be the only useful (and 
quite good) open source backup system with dedup... 

Best regards,
Steffen

Am Mittwoch, Februar 17, 2016 11:00 CET, Gilberto Nunes 
 schrieb:
 Hello list
 I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.Everything is 
fine.This VM is our Zimbra Mail Server in which we have about 1 000 
accounts.The amount of disk space is about 1,4 TB.As can you see, with a bug 
partition like this, it's very difficult to make and mantain backups...And, to 
worst eerything, vzdump backup tooks so long to make a backup...What 
recommendation can you,guys, point to me to mitigate such situation?I will 
grateful for any advice
 
 
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-- Gilberto Ferreira
+55 (47) 9676-7530
Skype: gilberto.nunes36
 
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Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Gilberto Nunes]

hum.. BareOS!... Nice one! I will check out. Thanks a lot

2016-02-17 8:12 GMT-02:00 Michael Pöllinger :

> Please have a look also at BareOS
>
> --
> Mit freundlichen Grüßen
>
> Michael Pöllinger
>
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Gilberto Ferreira
+55 (47) 9676-7530
Skype: gilberto.nunes36
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Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Gilberto Nunes]

Hi Steffen

I considered bacula at first glace, but it took much time as well... Ok.. I
am not using deduplication.
Perhaps this can help to improve performance?

2016-02-17 8:06 GMT-02:00 Steffen Wagner :

> Hi Gilberto,
>
> in your case i would not go for full vm backup, but for something folder
> based...
>
> I am just testing out Bacula (http://bacula.org/) backup system. Maybe
> you could also have a look onto this project as it seems to be the only
> useful (and quite good) open source backup system with dedup...
>
> Best regards,
> Steffen
>
> Am Mittwoch, Februar 17, 2016 11:00 CET, Gilberto Nunes <
> gilberto.nune...@gmail.com> schrieb:
>
>
> Hello list
>
> I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.
> Everything is fine.
> This VM is our Zimbra Mail Server in which we have about 1 000 accounts.
> The amount of disk space is about 1,4 TB.
> As can you see, with a bug partition like this, it's very difficult to
> make and mantain backups...
> And, to worst eerything, vzdump backup tooks so long to make a backup...
> What recommendation can you,guys, point to me to mitigate such situation?
> I will grateful for any advice
>
>
>
>
>
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-- 

Gilberto Ferreira
+55 (47) 9676-7530
Skype: gilberto.nunes36
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Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Michael Pöllinger]

Please have a look also at BareOS

-- 
Mit freundlichen Grüßen

Michael Pöllinger

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Re: [PVE-User] ?==?utf-8?q? VM Backup best practices recommendation...

[Steffen Wagner]

Hi Gilberto,

in your case i would not go for full vm backup, but for something folder 
based...

I am just testing out Bacula (http://bacula.org/) backup system. Maybe you 
could also have a look onto this project as it seems to be the only useful (and 
quite good) open source backup system with dedup... 

Best regards,
Steffen

Am Mittwoch, Februar 17, 2016 11:00 CET, Gilberto Nunes 
 schrieb:
 Hello list
 I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.Everything is 
fine.This VM is our Zimbra Mail Server in which we have about 1 000 
accounts.The amount of disk space is about 1,4 TB.As can you see, with a bug 
partition like this, it's very difficult to make and mantain backups...And, to 
worst eerything, vzdump backup tooks so long to make a backup...What 
recommendation can you,guys, point to me to mitigate such situation?I will 
grateful for any advice
 
 
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[PVE-User] VM Backup best practices recommendation...

[Gilberto Nunes]

Hello list

I have a VM KVM with Linux Ubuntu 14.04 running in PVE 4.1.
Everything is fine.
This VM is our Zimbra Mail Server in which we have about 1 000 accounts.
The amount of disk space is about 1,4 TB.
As can you see, with a bug partition like this, it's very difficult to make
and mantain backups...
And, to worst eerything, vzdump backup tooks so long to make a backup...
What recommendation can you,guys, point to me to mitigate such situation?
I will grateful for any advice
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