template disk attribute in version 4 restapi
by like.ma＠cs2c.com.cn
Hi All,
In the restapi of version 3, there is bootable attribute in disk. But in version 4, the bootable attribute is removed from disk. For vm i can get bootable attribute from diskattachment. But there is no diskattachment in template. So, is there any way in the restapi of version 4 that i can know if the disk of the template is bootable or not?
Thanks
Regards.
like.ma(a)cs2c.com.cn
2 years, 7 months
Data Recovery from snapshot
by Jim Kusznir
Hi:
With yet another gluster disk failure / gluster collapse, it appears I lost
the "main" backing image for one of my vm servers. I have snapshots still
in tact (or at least, appear to be), but the main image is gone.
The main server process stores a backup at regular intervals in its disk,
and that would have been changed data, so it would be in the snapshot
rather than the base image. Is there any way to recover this one .tar.gz
file from the snapshot with the missing main image? This is a backup of
dynamic data, and without it, I will have lost several customers data, some
of which cannot be recreated/regenerated.
it also appears that my backup (gluster geo-replication) did not work (had
crashed a while ago, and has a very old backup of this image).
--Jim
2 years, 7 months
[No question] NFS disabled, hosts wandering tearful
by Nicolas Ecarnot
Hello,
This is a simple testimony about what happened yesterday in one of our DC.
This DC runs on a dedicated bare-metal engine, oversized compared to the
need, thus I've added a NFS service on it to host a small storage domain
and the ISO storage domain.
Yesterday, after having received the colorful announce about the 4.2.5
version, I decided to upgrade.
As our engine was still on a CentOS 7.4, I first upgraded its OS version
to 7.5, then reboot. Smooth.
Then I followed the very usual oVirt engine upgrade path. Smooth.
Eventually, I upgraded the hosts with ovirt-ansible-cluster-upgrade as
usual.
The result was frightening because the hosts were put in maintenance,
upgraded, back to life, seen unavailable, unreachable, connecting,
alive, rebooted, then back to another turn and looping...
During this, the SPM role was obviously jumping around, and that did not
help the debug.
In the end, it appeared that something during an upgrade stopped and
disabled the NFS service. My hosts partially relied on it, so after
having restarted the NFS service, all came back to life.
The NFS disabling may come from the CentOS upgrade, except if someone
tells me it could come from something on the oVirt side?
I'm sure the RH people will advice me not to run NFS on the engine, but
apart this event, I had no trouble doing this in years.
Regards,
--
Nicolas ECARNOT
2 years, 7 months
Adding custom network filter to oVirt
by Peter
I can see from the libvirt docs how to create a new network filter (to block STP broadcasts in my case), but how do I add that filter to the vNIC list in oVirt?
2 years, 7 months
Re: adding hosts problems with GlusterFS
by Jayme
I think we are in a race to see who can get a new HCI setup built faster.
There have been a few hurtles along the way :)
On Tue, Jul 31, 2018, 6:53 AM Bill Dossett, <bill.dossett(a)pb.com> wrote:
> Hmm, resounding silence…. Have attached a screen shot of the host storage
> devices on the host I added after the initial deployment. So at the bottom
> you can see that sdb – sdg are all locked and FS type is multipath_member
> those all equate to the UID type NAME at the top. The very top row, I
> created a brick, so it is also now locked, however when I go to brick view
> there is no brick. I also can’t seem to delete any brick one it is created
> either. On the first 3 hosts, sdb – sdg are all unlocked and I can create
> bricks… going to remove a host and re-add it to see if there is anything I
> am missing, but I don’t have any other ideas at this point.
>
>
>
>
>
>
>
> Regards, Bill
>
>
>
> *Bill Dossett*
>
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2 years, 7 months
Adding custom network filter to oVirt
by laniman1＠laniman.net
I can see from the libvirt docs how to create a new network filter (to block STP broadcasts in my case), but how do I add that filter to the vNIC list in
oVirt?
2 years, 7 months
