[ovirt-users] Re: Missing step(s) after custom x509 certificates

[Yedidyah Bar David]

On Thu, Jun 21, 2018 at 11:43 PM, John Florian  wrote:
> On 2018-06-20 02:27, Yedidyah Bar David wrote:
>>
>> On Tue, Jun 19, 2018 at 5:35 PM, John Florian 
>> wrote:
>>>
>>>   I already had the
>>> intermediate and root CA certs imported into Android, but it looks like
>>> moVirt ignores those as a general trust source.
>>
>> I'd say this might be a useful RFE to open on movirt, whatever its
>> specific
>> behavior currently is. It should be easy to make it trust the machine's
>> trust store, perhaps by default.
>
>
> Done:https://github.com/oVirt/moVirt/issues/304

Thanks.
-- 
Didi
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[ovirt-users] Re: Restore and rename engine

[Staniforth, Paul]

I have fixed this now by deleting


/etc/ovirt-engine/engine.conf.d/99-custom-truststore.conf


Paul S.



From: Staniforth, Paul
Sent: 22 June 2018 15:54
To: users@ovirt.org
Subject: Restore and rename engine


Hello,

   I have been trying to test our system by restoring from backup to a 
new machine and running  ovirt-engine-rename, then engine-setup.


I get to sent back to the main oVirt Web page from any of the portals, which 
has an Warning triangle saying the engine is initializing. and in the URL it has


ovirt-engine/?error_description=server_error%3A+%2Fetc%2Fpki%2Fjava%2Fcacerts+(No+such+file+or+directory)&error=server_error


The original machine had a certificate signed by an external authority.


I tried putting back the link from apache-ca.pem to ca.pem, the original 
apache.key.nopass, websocket-proxy.key.nopass as well as hte key files.


I upgraded from 4.1.9 to 4.2.3 and it says it is resigning the certificates but 
still fails.


Regards,

  Paul S.


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[ovirt-users] Re: disk performance findings

[Jayme]

Bill, that is for sharing your findings I've also been curious as well and
haven't had much luck finding reference hardware or expected performance
from HCI builds.  I just put together three top end r720s with 256gb ram
and two 2tb SSDs in jbod per host with 10gbe backend for gluster.  I just
finished racking the servers and haven't had a chance to start the Ovirt
install yet but hope to get to it within the next couple of weeks.. I've
been a bit worried about the performance of gluster, I'm hoping I won't be
disappointed.

Jayme

On Sat, Jun 23, 2018, 10:45 AM ,  wrote:

> I have deployed a HCI environment several times now as I wanted to get
> some idea of disk performance with Gluster/
>
>
>
> On a Dell R720 3 node cluster with H710 PERC controller and 8 x 2TB 7200
> RPM SATA drives.
>
>
>
> My first test was with the 8 drives configured as H/W RAID 6 and I
> configured Gluster as RAID 6 – quite a lot of redundancy but that was just
> my first deployment
>
>
>
> Running IOMeter for 24 hours using all in one access specification I got
> 240 IOPs.  Pretty good for SATA drives.
>
>
>
> I then broke the RAID and configured 8 virtual disks, one per physical and
> then deployed Gluster as JBOD – I am not sure how resilient that is, but I
> assume in a 3 node cluster failures to tolerate would be one.
>
>
>
> This gave me 267 IOPs.
>
>
>
> I don’t know that much about the internals of Gluster, but when I first
> asked about this there didn’t seem to be much knowledge of what
> configuration would be best for HCI.  I plan to do more research and tests
> on this, but for what its worth for now, I am going down the JBOD route
> with no H/W RAID.
>
>
>
> Regards
>
> Bill
>
>
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[ovirt-users] trunked ports

[william.dossett]

Hi,

 

I setup oVirt a few years back.  now that the HCI is real, I am revisiting
it.  I have deployed with Gluster, and am now moving on to networking.

 

I come from a VMware shop and normally we trunk all the network ports
exposing all VLANs to the hosts and place VMs in Portgoups that are tagged
with VLANs.

 

I did manage to do this years back but I am struggling to get this to work
today.  I had pretty limited hardware back then and I thought I installed
using vlan tagging and trunked ports, but I don't see any  option to do this
using the glusterfs and hosted engine setup.

 

Each host has a dual port 10Gb NICs  I use one for storage that is connected
to my storage network and one for ovirtmgmt.  (I need to add another of
these for redundancy down the road, but no money for that at the moment)

 

The hosts also have 4 x 1Gb ports. So in lieu of being able to configure
vlan tagging to trunked ports on hosted engine deploy, I am considering
cabling up a 1 Gb port on each in my management services VLAN and when it is
all up and running create another logical network (or several of them as I
think these equate to what is a vlan tagged port group in VMware) with the
10Gb NIC backing for VMs.

 

Does that sound reasonable?  Or if anyone can point me to any docs that
describe how to deploy to a specific VLAN with trunk ports, that would be
nice as well as I won't have to actually go to the office and run additional
cables.

 

Appreciate any advice

 

Bill

 

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[ovirt-users] disk performance findings

[william.dossett]

I have deployed a HCI environment several times now as I wanted to get some
idea of disk performance with Gluster/

 

On a Dell R720 3 node cluster with H710 PERC controller and 8 x 2TB 7200 RPM
SATA drives.

 

My first test was with the 8 drives configured as H/W RAID 6 and I
configured Gluster as RAID 6 - quite a lot of redundancy but that was just
my first deployment

 

Running IOMeter for 24 hours using all in one access specification I got 240
IOPs.  Pretty good for SATA drives.

 

I then broke the RAID and configured 8 virtual disks, one per physical and
then deployed Gluster as JBOD - I am not sure how resilient that is, but I
assume in a 3 node cluster failures to tolerate would be one.

 

This gave me 267 IOPs.

 

I don't know that much about the internals of Gluster, but when I first
asked about this there didn't seem to be much knowledge of what
configuration would be best for HCI.  I plan to do more research and tests
on this, but for what its worth for now, I am going down the JBOD route with
no H/W RAID.

 

Regards

Bill

 

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[ovirt-users] Re: quick way to start glusterfs managed engine over?

[william.dossett]

 

 

From: Sahina Bose [mailto:sab...@redhat.com] 
Sent: Tuesday, June 19, 2018 2:58 AM
To: william.doss...@gmail.com
Cc: users 
Subject: Re: [ovirt-users] quick way to start glusterfs managed engine over?

 

 

 

On Fri, Jun 15, 2018 at 12:13 PM, mailto:william.doss...@gmail.com> > wrote:

I have successfully got glusterfs playbook to finish once and then my 
networking was wrong on the managed engine and on the hosts, so I started over.

 

Now I can’t seem to even get that far again.  I completely reloaded the hosts, 
but that takes a while.  Last time glusterfs failed right at the end with 

"host is not in 'Peer in Cluster' state"

 

Redeploying fails as partitions already exist…

 

I am deploying to /dev/sdb

 

Is there a quick way to get /dev/sdb back into a state to redeploy to?  I think 
I got there once by doing pvremove and gdisk zap gpt, but not sure if that 
worked or caused problem on the redeploy.

 

You should be able to remove the vg using vgremove (use vgs to determine which 
one ) and pvremove /dev/sdb to reuse it.

 

 

 

Thanks, also need to unmount before or vgremove fails saying its in use.

 

Its very time consuming to start over from scratch, so would appreciate if 
there is any shortcut instead of reloading the OS.

 

Thans

Bill

 


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