Re: RHV and oVirt CBT issue
by Eyal Shenitzky
As +Michal Skrivanek <mskrivan(a)redhat.com> already replied, this issue
cause by - https://bugzilla.redhat.com/show_bug.cgi?id=1980428.
It is already fixed in RHV 4.4.7 and on the master branch.
+Sandro Bonazzola <sbonazzo(a)redhat.com>, did we include it on oVirt 4.4.7
also?
On Tue, 27 Jul 2021 at 09:44, luwen.zhang <luwen.zhang(a)vinchin.com> wrote:
>
> Dear team could you please help on the below issue?
>
> Thanks Sandro for the advice!
> On 07/27/2021 14:22，Sandro Bonazzola<sbonazzo(a)redhat.com>
> <sbonazzo(a)redhat.com> wrote：
>
> I would recommend to ask this on devel(a)ovirt.org.
> Looping in +Eyal Shenitzky <eshenitz(a)redhat.com>
>
> Il giorno mar 27 lug 2021 alle ore 08:14 luwen.zhang <
> luwen.zhang(a)vinchin.com> ha scritto:
>
>>
>> Dear team,
>>
>> We had implemented CBT support for RHV and oVirt in our new version, but
>> when testing we encountered problems of obtain VM increments and also had
>> abnormal with the VM virtual disks.
>>
>> Our testing environment as below:
>> OS Version: RHEL - 8.4.2105.0 - 3.el8
>> OS Description: oVirt Node 4.4.7
>> Kernel Version: 4.18.0 - 315.el8.x86_64
>> KVM Version: 6.0.0 - 19.el8s
>> LIBVIRT Version: libvirt-7.4.0-1.el8s
>> VDSM Version: vdsm-4.40.70.6-1.el8
>>
>> One of the problem is after a successful backup, the VM which gets only
>> one virtual disk will get 2 identical virtual disks marked as Complete on
>> oVirt engine web console, like shown below.
>>
>> The additional disk might disappear after a while, but before it’s gone
>> there could be a lot of problems with the VM.
>>
>> 1. We cannot perform a new backup, the backup will fail directly.
>>
>> 2. The VM itself will run into exception, we cannot even power it off,
>> and it will also probably get crashed.
>>
>> 3. If the VM was initially powered off, after backing up, we cannot power
>> on the VM.
>>
>> And there could be some other problems related with this, is this normal
>> or there’s something we did wrong?
>>
>> Thank you in advance for your help!
>>
>>
>> *Luwen Zhang* | Product Manager
>>
>> *Mobile*: +8613880424687 | *Skype*: luwen.zhang_cn
>>
>> *WhatsApp*: +8613880424687 | *WeChat*: +8613880424687
>>
>> *Website*: www.vinchin.com
>>
>> *Address*: F5, Block 8, National Information Security Industry Park,
>>
>> No.333 Yunhua Road, Hi-tech Zone, Chengdu, China | *Zip*: 610015
>>
>> *INNOVATIVE VM BACKUP EXPERT*
>>
>> VMware Backup <https://www.vinchin.com/en/hypervisor/vmware-backup.html>
>> | XenServer/Citrix Hypervisor/XCP-ng Backup
>> <https://www.vinchin.com/en/hypervisor/xcp-ng-xenserver-backup.html> | Hyper-V
>> Backup <https://www.vinchin.com/en/hypervisor/hyper-v-backup.html>
>>
>> RHEV/oVirt Backup
>> <https://www.vinchin.com/en/hypervisor/red-hat-virtualization-ovirt-backup...>
>> | OLVM Backup
>> <https://www.vinchin.com/en/hypervisor/oracle-linux-virtualization-manager...>
>> | Sangfor HCI Backup
>> <https://www.vinchin.com/en/hypervisor/sangfor-hci-backup.html> | OpenStack
>> Backup <https://www.vinchin.com/en/hypervisor/openstack-backup.html>
>>
>>
>>
>
> --
>
> Sandro Bonazzola
>
> MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
>
> Red Hat EMEA <https://www.redhat.com/>
>
> sbonazzo(a)redhat.com
> <https://www.redhat.com/>
>
> *Red Hat respects your work life balance. Therefore there is no need to
> answer this email out of your office hours.*
>
>
>
--
Regards,
Eyal Shenitzky
2 years, 9 months
Re: RHV and oVirt CBT issue
by Nir Soffer
On Tue, Jul 27, 2021 at 9:47 AM luwen.zhang <luwen.zhang(a)vinchin.com> wrote:
>
> Dear team could you please help on the below issue?
>
> Thanks Sandro for the advice!
> On 07/27/2021 14:22，Sandro Bonazzola<sbonazzo(a)redhat.com>
> <sbonazzo(a)redhat.com> wrote：
>
> I would recommend to ask this on devel(a)ovirt.org.
> Looping in +Eyal Shenitzky <eshenitz(a)redhat.com>
>
> Il giorno mar 27 lug 2021 alle ore 08:14 luwen.zhang <
> luwen.zhang(a)vinchin.com> ha scritto:
>
>>
>> Dear team,
>>
>> We had implemented CBT support for RHV and oVirt in our new version, but
>> when testing we encountered problems of obtain VM increments and also had
>> abnormal with the VM virtual disks.
>>
>> Our testing environment as below:
>> OS Version: RHEL - 8.4.2105.0 - 3.el8
>> OS Description: oVirt Node 4.4.7
>> Kernel Version: 4.18.0 - 315.el8.x86_64
>> KVM Version: 6.0.0 - 19.el8s
>> LIBVIRT Version: libvirt-7.4.0-1.el8s
>> VDSM Version: vdsm-4.40.70.6-1.el8
>>
>> One of the problem is after a successful backup, the VM which gets only
>> one virtual disk will get 2 identical virtual disks marked as Complete on
>> oVirt engine web console, like shown below.
>>
>> The additional disk might disappear after a while, but before it’s gone
>> there could be a lot of problems with the VM.
>>
>> 1. We cannot perform a new backup, the backup will fail directly.
>>
>> 2. The VM itself will run into exception, we cannot even power it off,
>> and it will also probably get crashed.
>>
>> 3. If the VM was initially powered off, after backing up, we cannot power
>> on the VM.
>>
>> And there could be some other problems related with this, is this normal
>> or there’s something we did wrong?
>>
>> Thank you in advance for your help!
>>
>
Unfortunately you are hitting this bug:
https://bugzilla.redhat.com/1980428
The bug is fixed in 4.4.7 async release, which should be available now
according to the bug.
Please upgrade to the latest 4.4.7 version.
Nir
2 years, 9 months
