Re: [CentOS] Ovirt migration

On 23/06/16 01:05 AM, Andrew Dent wrote: > Hi > > We have a Single box running Ovirt 3.5.6.2-1 + CentOS7. > The Engine, VDSM Host and the Storage is all on the Single box, which > contains 2 * RAID1 arrays. > > We are looking to purchase a second box, and I'm wondering if someone > can please

[CentOS] Ovirt migration

Hi We have a Single box running Ovirt 3.5.6.2-1 + CentOS7. The Engine, VDSM Host and the Storage is all on the Single box, which contains 2 * RAID1 arrays. We are looking to purchase a second box, and I'm wondering if someone can please help me to understand of how best to migrate to a HA

Re: [CentOS] KVM HA

RHEV is a cloud solution with some HA features. It is not an actual HA solution. digimer On 23/06/16 12:08 AM, Eero Volotinen wrote: > How about trying commercial RHEV? > > Eero > 22.6.2016 8.02 ap. "Tom Robinson" kirjoitti: > >> Hi, >> >> I have two KVM hosts

Re: [CentOS] KVM HA

How about trying commercial RHEV? Eero 22.6.2016 8.02 ap. "Tom Robinson" kirjoitti: > Hi, > > I have two KVM hosts (CentOS 7) and would like them to operate as High > Availability servers, > automatically migrating guests when one of the hosts goes down. > > My

Re: [CentOS] CPU Compatibility Question

On 23.06.2016 02:52, listmail wrote: According to the compatibility chart over here: https://access.redhat.com/support/policy/intel ...anything later than 6.3 (6.4 and up) should work with the E3-12xx v3 family of processors. But those are not the results I am seeing. Does anyone have

[CentOS] CPU Compatibility Question

Hi All, Hopefully someone with broad overview of CentOS compatibility issues can comment on this: I am evaluating a Supermicro X10SLM motherboard with an Intel E3-1231 v3 CPU. Testing with boots from Live DVDs, the CentOS 6.x family is panicking at boot time. I have tried 6.8, 6.5, and 6.3,

Re: [CentOS] Install C7 VM on C6 Host

I had no real reason to doubt. I was just being lazy. I figured that, if anyone knew the correct answer, it you be the people on this list. Thank you for your gracious forbearance. On 06/21/16 20:01, Boris Epstein wrote: > I would think the same as Gordon that as long as your 64-bit VM >

Re: [CentOS] KVM HA

On 22/06/16 02:36 PM, Paul Heinlein wrote: > On Wed, 22 Jun 2016, Digimer wrote: > >> The nodes are not important, the hosted services are. > > The only time this isn't true is when you're using the node to heat the > room. > > Otherwise, the service is always the important thing. (The node may

Re: [CentOS] KVM HA

On 22/06/16 02:34 PM, m.r...@5-cent.us wrote: > Digimer wrote: >> On 22/06/16 02:01 PM, Chris Adams wrote: >>> Once upon a time, John R Pierce said: On 6/22/2016 10:47 AM, Digimer wrote: > This is called "fabric fencing" and was originally the only supported >

Re: [CentOS] KVM HA

On 22/06/16 02:31 PM, John R Pierce wrote: > On 6/22/2016 11:06 AM, Digimer wrote: >> I know this goes against the >> grain of sysadmins to yank power, but in an HA setup, nodes should be >> disposable and replaceable. The nodes are not important, the hosted >> services are. > > of course, the

Re: [CentOS] KVM HA

Once upon a time, John R Pierce said: > of course, the really tricky problem is implementing an ISCSI > storage infrastructure thats fully redundant and has no single point > of failure. this requires the redundant storage controllers to > have shared write-back cache,

Re: [CentOS] KVM HA

On Wed, 22 Jun 2016, Digimer wrote: The nodes are not important, the hosted services are. The only time this isn't true is when you're using the node to heat the room. Otherwise, the service is always the important thing. (The node may become as synonymous with the service because there's

Re: [CentOS] KVM HA

Digimer wrote: > On 22/06/16 02:01 PM, Chris Adams wrote: >> Once upon a time, John R Pierce said: >>> On 6/22/2016 10:47 AM, Digimer wrote: This is called "fabric fencing" and was originally the only supported option in the very early days of HA. It has fallen out

Re: [CentOS] KVM HA

On 6/22/2016 11:06 AM, Digimer wrote: I know this goes against the grain of sysadmins to yank power, but in an HA setup, nodes should be disposable and replaceable. The nodes are not important, the hosted services are. of course, the really tricky problem is implementing an ISCSI storage

Re: [CentOS] KVM HA

On 22/06/16 02:12 PM, Chris Adams wrote: > Once upon a time, Digimer said: >> The cluster software and any hosted services aren't running. It's not >> that they think they're wrong, they just have no existing state so they >> won't try to touch anything without first ensuring it

Re: [CentOS] KVM HA

Once upon a time, Digimer said: > The cluster software and any hosted services aren't running. It's not > that they think they're wrong, they just have no existing state so they > won't try to touch anything without first ensuring it is safe to do so. Well, I was being short;

Re: [CentOS] KVM HA

On 22/06/16 02:01 PM, Chris Adams wrote: > Once upon a time, John R Pierce said: >> On 6/22/2016 10:47 AM, Digimer wrote: >>> This is called "fabric fencing" and was originally the only supported >>> option in the very early days of HA. It has fallen out of favour for >>>

Re: [CentOS] KVM HA

Once upon a time, John R Pierce said: > On 6/22/2016 10:47 AM, Digimer wrote: > >This is called "fabric fencing" and was originally the only supported > >option in the very early days of HA. It has fallen out of favour for > >several reasons, but it does still work fine. The

Re: [CentOS] KVM HA

On 6/22/2016 10:47 AM, Digimer wrote: This is called "fabric fencing" and was originally the only supported option in the very early days of HA. It has fallen out of favour for several reasons, but it does still work fine. The main issues is that it leaves the node in an unclean state. If an

Re: [CentOS] KVM HA

On 22/06/16 01:38 PM, John R Pierce wrote: > On 6/21/2016 10:01 PM, Tom Robinson wrote: >> Currently when I migrate a guest, I can all too easily start it up on >> both hosts! There must be some >> way to fence these off but I'm just not sure how to do this. > > in addition to power fencing as

[CentOS] Centos 7 boot hanging unless systemd.log_target=console is used

I have multiple VMs that are hanging on boot. Sometimes they'll boot fine after 5 mins and other times it'll take over an hour. The problem seems to be related to journald but I'd like to figure out how I can get more information. The VMs are running CentOS 7.1.1503. systemd and journald are both

[CentOS-virt] Cannot allocate Memory

Any of you guys ever seen an issue with Xen 4.4 were xm cannot create a guest because of what looks like an issue allocating memory even though xm info shows like 5x the amount of free memory needed? We are still unfortunately still using xm... it's on my list, i know.. We've had this happen

Re: [CentOS] KVM HA

On 6/21/2016 10:01 PM, Tom Robinson wrote: Currently when I migrate a guest, I can all too easily start it up on both hosts! There must be some way to fence these off but I'm just not sure how to do this. in addition to power fencing as described by others, you can also fence at the ethernet

Re: [CentOS-es] Puerto 4567

Igual puede restringirle el acceso solo a tu red, así el cuidado será mayor... El día 21 de junio de 2016, 19:43, Eliud Cardenas escribió: > Hola a todos, > > Me respondo a mi mismo, es el puerto que abre Percona mysql para la > comunicación grupal. > > Nada de

[CentOS-virt] [Virt SIG] status of virt7-docker repository?

Hi, I'm considering to add virt7-docker repository as a dependency for the openstack repo from Cloud SIG. It seems that it's not consumable yet and some packages like Kubernetes are outdated. Could you update me with the current status and if there is anything we can do to help? Regards, H.

[CentOS] CentOS-announce Digest, Vol 136, Issue 4

Send CentOS-announce mailing list submissions to centos-annou...@centos.org To subscribe or unsubscribe via the World Wide Web, visit https://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to

Re: [CentOS-virt] PCI Passthrough not working

More information... I have pcifront showing as a module in the DomU and the usb shows in dmesg as: [ 3.167543] usbcore: registered new interface driver usbfs [ 3.167563] usbcore: registered new interface driver hub [ 3.167585] usbcore: registered new device driver usb [ 3.196056] usb usb1:

[CentOS-virt] PCI Passthrough not working

Further to my messages back in May I have at last got round to trying to get my DomU to recognise USB devices. I am using Xen 4.6 with CentOS kernel 3.18.34-20.el7.x86_64. I have to manually make the port available before creating the DomU by issuing the command: xl pci-assignable-add

Re: [CentOS] KVM HA

On 22 June 2016 at 09:03, Indunil Jayasooriya wrote: > > When an UNCLEAN SHUDWON happens or ifdown eth0 in node1 , can OVIRT > migrate VMs from node1 to node2? Yep. > in that case, Is power management such as ILO needed? It needs a way to ensure the host is down to

Re: [CentOS] Any further developments on CentOS7 for i386?

On 2015-10-07 15:21, Johnny Hughes wrote: > On 10/06/2015 05:30 PM, Kay Schenk wrote: >> Well I haven't tested out the CentOS 7 for i386 yet as sent in the >> message of 06/02-- >> >> https://lists.centos.org/pipermail/centos-devel/2015-June/013426.html >> >> Nor have I seen any additional

Re: [CentOS] KVM HA

On 22/06/16 02:03 AM, Indunil Jayasooriya wrote: > On Wed, Jun 22, 2016 at 11:08 AM, Barak Korren wrote: > >>> >>> My question is: Is this even possible? All the documentation for HA that >> I've found appears to not >>> do this. Am I missing something? >> >> You can use

Re: [CentOS] KVM HA

On 22/06/16 02:10 AM, Tom Robinson wrote: > Hi Digimer, > > Thanks for your reply. > > On 22/06/16 15:20, Digimer wrote: >> On 22/06/16 01:01 AM, Tom Robinson wrote: >>> Hi, >>> >>> I have two KVM hosts (CentOS 7) and would like them to operate as High >>> Availability servers, >>>

Re: [CentOS] KVM HA

Hi Digimer, Thanks for your reply. On 22/06/16 15:20, Digimer wrote: > On 22/06/16 01:01 AM, Tom Robinson wrote: >> Hi, >> >> I have two KVM hosts (CentOS 7) and would like them to operate as High >> Availability servers, >> automatically migrating guests when one of the hosts goes down. >> >>

Re: [CentOS] KVM HA

On Wed, Jun 22, 2016 at 11:08 AM, Barak Korren wrote: > > > > My question is: Is this even possible? All the documentation for HA that > I've found appears to not > > do this. Am I missing something? > > You can use oVirt for that (www.ovirt.org). > When an UNCLEAN SHUDWON