[Users] oVirt 3.3.3 RC EL6 Live Snapshot

Steve Dainard sdainard at miovision.com
Mon Feb 3 17:03:50 UTC 2014


[root at ovirt002 ~]# rpm -qa | egrep 'qemu|vdsm|libvirt' | sort
gpxe-roms-qemu-0.9.7-6.10.el6.noarch
libvirt-0.10.2-29.el6_5.3.x86_64
libvirt-client-0.10.2-29.el6_5.3.x86_64
libvirt-lock-sanlock-0.10.2-29.el6_5.3.x86_64
libvirt-python-0.10.2-29.el6_5.3.x86_64
qemu-img-rhev-0.12.1.2-2.355.el6.5.x86_64
qemu-kvm-rhev-0.12.1.2-2.355.el6.5.x86_64
qemu-kvm-rhev-tools-0.12.1.2-2.355.el6.5.x86_64
vdsm-4.13.3-2.el6.x86_64
vdsm-cli-4.13.3-2.el6.noarch
vdsm-python-4.13.3-2.el6.x86_64
vdsm-xmlrpc-4.13.3-2.el6.noarch


*Steve Dainard *
IT Infrastructure Manager
Miovision <http://miovision.com/> | *Rethink Traffic*
519-513-2407 ex.250
877-646-8476 (toll-free)

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------------------------------
 Miovision Technologies Inc. | 148 Manitou Drive, Suite 101, Kitchener, ON,
Canada | N2C 1L3
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On Mon, Feb 3, 2014 at 11:54 AM, Dafna Ron <dron at redhat.com> wrote:

> Can you also put the vdsm, libvirt and qemu packages?
>
> Thanks,
> Dafna
>
>
>
> On 02/03/2014 04:49 PM, Steve Dainard wrote:
>
>> FYI I'm running version 3.3.2, not the 3.3.3 beta.
>>
>> *Steve Dainard *
>> IT Infrastructure Manager
>> Miovision <http://miovision.com/> | /Rethink Traffic/
>> 519-513-2407 ex.250
>> 877-646-8476 (toll-free)
>>
>> *Blog <http://miovision.com/blog> | **LinkedIn <https://www.linkedin.com/
>> company/miovision-technologies>  | Twitter <https://twitter.com/miovision>
>>  | Facebook <https://www.facebook.com/miovision>*
>> ------------------------------------------------------------------------
>> Miovision Technologies Inc. | 148 Manitou Drive, Suite 101, Kitchener,
>> ON, Canada | N2C 1L3
>> This e-mail may contain information that is privileged or confidential.
>> If you are not the intended recipient, please delete the e-mail and any
>> attachments and notify us immediately.
>>
>>
>> On Mon, Feb 3, 2014 at 11:24 AM, Dafna Ron <dron at redhat.com <mailto:
>> dron at redhat.com>> wrote:
>>
>>     Thanks Steve.
>>
>>     from the logs I can see that the create snapshot succeeds and that
>>     the vm is resumed.
>>     the vm moves to pause as part of libvirt flows:
>>
>>     2014-02-02 14:41:20.872+0000: 5843: debug :
>>     qemuProcessHandleStop:728 : Transitioned guest snapshot-test to
>>     paused state
>>     2014-02-02 14:41:30.031+0000: 5843: debug :
>>     qemuProcessHandleResume:776 : Transitioned guest snapshot-test out
>>     of paused into resumed state
>>
>>     There are bugs here but I am not sure yet if this is libvirt
>>     regression or engine.
>>
>>     I'm adding Elad and Maor since in engine logs I can't see anything
>>     calling for live snapshot (only for snapshot) - Maor, shouldn't
>>     live snapshot command be logged somewhere in the logs?
>>     Is it possible that engine is calling to create snapshot and not
>>     create live snapshot which is why the vm pauses?
>>
>>     Elad, if engine is not logging live snapshot anywhere I would open
>>     a bug for engine (to print that in the logs).
>>     Also, there is a bug in vdsm log for sdc where the below is logged
>>     as ERROR and not INFO:
>>
>>     Thread-23::ERROR::2014-02-02
>>     09:51:19,497::sdc::137::Storage.StorageDomainCache::(_findDomain)
>>     looking for unfetched domain a52938f7-2cf4-4771-acb2-0c78d14999e5
>>     Thread-23::ERROR::2014-02-02
>>     09:51:19,497::sdc::154::Storage.StorageDomainCache::(_
>> findUnfetchedDomain)
>>     looking for domain a52938f7-2cf4-4771-acb2-0c78d14999e5
>>
>>     If the engine was sending live snapshot or if there is no
>>     difference in the two commands in engine side than I would open a
>>     bug for libvirt for pausing the vm during live snapshot.
>>
>>     Dafna
>>
>>
>>     On 02/03/2014 02:41 PM, Steve Dainard wrote:
>>
>>         [root at ovirt002 ~]# vdsClient -s 0 getStorageDomainInfo
>>         a52938f7-2cf4-4771-acb2-0c78d14999e5
>>         uuid = a52938f7-2cf4-4771-acb2-0c78d14999e5
>>         pool = ['fcb89071-6cdb-4972-94d1-c9324cebf814']
>>         lver = 5
>>         version = 3
>>         role = Master
>>         remotePath = gluster-store-vip:/rep1
>>         spm_id = 2
>>         type = NFS
>>         class = Data
>>         master_ver = 1
>>         name = gluster-store-rep1
>>
>>
>>         *Steve Dainard *
>>         IT Infrastructure Manager
>>         Miovision <http://miovision.com/> | /Rethink Traffic/
>>         519-513-2407 <tel:519-513-2407> ex.250
>>         877-646-8476 <tel:877-646-8476> (toll-free)
>>
>>         *Blog <http://miovision.com/blog> | **LinkedIn
>>         <https://www.linkedin.com/company/miovision-technologies>  |
>>         Twitter <https://twitter.com/miovision>  | Facebook
>>         <https://www.facebook.com/miovision>*
>>         ------------------------------------------------------------
>> ------------
>>         Miovision Technologies Inc. | 148 Manitou Drive, Suite 101,
>>         Kitchener, ON, Canada | N2C 1L3
>>         This e-mail may contain information that is privileged or
>>         confidential. If you are not the intended recipient, please
>>         delete the e-mail and any attachments and notify us immediately.
>>
>>
>>         On Sun, Feb 2, 2014 at 2:55 PM, Dafna Ron <dron at redhat.com
>>         <mailto:dron at redhat.com> <mailto:dron at redhat.com
>>         <mailto:dron at redhat.com>>> wrote:
>>
>>             please run vdsClient -s 0 getStorageDomainInfo
>>             a52938f7-2cf4-4771-acb2-0c78d14999e5
>>
>>             Thanks,
>>
>>             Dafna
>>
>>
>>
>>             On 02/02/2014 03:02 PM, Steve Dainard wrote:
>>
>>                 Logs attached with VM running on qemu-kvm-rhev
>>         packages installed.
>>
>>                 *Steve Dainard *
>>                 IT Infrastructure Manager
>>                 Miovision <http://miovision.com/> | /Rethink Traffic/
>>         519-513-2407 <tel:519-513-2407> <tel:519-513-2407
>>         <tel:519-513-2407>> ex.250
>>
>>         877-646-8476 <tel:877-646-8476> <tel:877-646-8476
>>         <tel:877-646-8476>> (toll-free)
>>
>>
>>                 *Blog <http://miovision.com/blog> | **LinkedIn
>>                        <https://www.linkedin.com/
>> company/miovision-technologies>  |
>>                 Twitter <https://twitter.com/miovision>  | Facebook
>>                 <https://www.facebook.com/miovision>*
>>                        ------------------------------
>> ------------------------------------------
>>                 Miovision Technologies Inc. | 148 Manitou Drive, Suite
>>         101,
>>                 Kitchener, ON, Canada | N2C 1L3
>>                 This e-mail may contain information that is privileged or
>>                 confidential. If you are not the intended recipient,
>>         please
>>                 delete the e-mail and any attachments and notify us
>>         immediately.
>>
>>
>>                 On Sun, Feb 2, 2014 at 5:05 AM, Dafna Ron
>>         <dron at redhat.com <mailto:dron at redhat.com>
>>                 <mailto:dron at redhat.com <mailto:dron at redhat.com>>
>>         <mailto:dron at redhat.com <mailto:dron at redhat.com>
>>
>>                 <mailto:dron at redhat.com <mailto:dron at redhat.com>>>>
>> wrote:
>>
>>                     can you please upload full engine, vdsm, libvirt
>>         and vm's
>>                 qemu logs?
>>
>>
>>                     On 02/02/2014 02:08 AM, Steve Dainard wrote:
>>
>>                         I have two CentOS 6.5 Ovirt hosts (ovirt001,
>>         ovirt002)
>>
>>                         I've installed the applicable qemu-kvm-rhev
>>         packages
>>                 from this
>>                         site:
>>         http://www.dreyou.org/ovirt/vdsm32/Packages/ on
>>                 ovirt002.
>>
>>                         On ovirt001 if I take a live snapshot:
>>
>>                         Snapshot 'test qemu-kvm' creation for VM
>>                 'snapshot-test' was
>>                         initiated by admin at internal.
>>                         The VM is paused
>>                         Failed to create live snapshot 'test qemu-kvm'
>>         for VM
>>                         'snapshot-test'. VM restart is recommended.
>>                         Failed to complete snapshot 'test qemu-kvm'
>>         creation
>>                 for VM
>>                         'snapshot-test'.
>>                         The VM is then started, and the status for the
>>         snapshot
>>                         changes to OK.
>>
>>                         On ovirt002 (with the packages from dreyou) I
>>         don't
>>                 get any
>>                         messages about a snapshot failing, but my VM
>>         is still
>>                 paused
>>                         to complete the snapshot. Is there something else
>>                 other than
>>                         the qemu-kvm-rhev packages that would enable this
>>                 functionality?
>>
>>                         I've looked for some information on when the
>>         packages
>>                 would be
>>                         built as required in the CentOS repos, but I
>>         don't see
>>                         anything definitive.
>>
>>         http://lists.ovirt.org/pipermail/users/2013-December/019126.html
>>                         Looks like one of the maintainers is waiting for
>>                 someone to
>>                         tell him what flags need to be set.
>>
>>                         Also, another thread here:
>>         http://comments.gmane.org/gmane.comp.emulators.ovirt.arch/1618
>>                         same maintainer, mentioning that he hasn't seen
>>                 anything in
>>                         the bug tracker.
>>
>>                         There is a bug here:
>>         https://bugzilla.redhat.com/show_bug.cgi?id=1009100 that seems
>>                         to have ended in finding a way for qemu to expose
>>                 whether it
>>                         supports live snapshots, rather than figuring
>>         out how
>>                 to get
>>                         the CentOS team the info they need to build the
>>                 packages with
>>                         the proper flags set.
>>
>>                         I have bcc'd both dreyou (packaged the
>>         qemu-kvm-rhev
>>                 packages
>>                         listed above) and Russ (CentOS maintainer
>>         mentioned in the
>>                         other threads) if they wish to chime in and
>>         perhaps
>>                         collaborate on which flags, if any, should be
>>         set for the
>>                         qemu-kvm builds so we can get a CentOS bug report
>>                 going and
>>                         hammer this out.
>>
>>                         Thanks everyone.
>>
>>                         **crosses fingers and hopes for live snapshots
>>         soon**
>>
>>
>>
>>                         *Steve Dainard *
>>                         IT Infrastructure Manager
>>                         Miovision <http://miovision.com/> | /Rethink
>>         Traffic/
>>         519-513-2407 <tel:519-513-2407> <tel:519-513-2407
>>         <tel:519-513-2407>> <tel:519-513-2407 <tel:519-513-2407>
>>                 <tel:519-513-2407 <tel:519-513-2407>>>
>>         <tel:519-513-2407 <tel:519-513-2407> <tel:519-513-2407
>>         <tel:519-513-2407>>
>>                         <tel:519-513-2407 <tel:519-513-2407>
>>         <tel:519-513-2407 <tel:519-513-2407>>>> ex.250
>>
>>         877-646-8476 <tel:877-646-8476> <tel:877-646-8476
>>         <tel:877-646-8476>> <tel:877-646-8476 <tel:877-646-8476>
>>                 <tel:877-646-8476 <tel:877-646-8476>>>
>>         <tel:877-646-8476 <tel:877-646-8476> <tel:877-646-8476
>>         <tel:877-646-8476>>
>>
>>                         <tel:877-646-8476 <tel:877-646-8476>
>>         <tel:877-646-8476 <tel:877-646-8476>>>> (toll-free)
>>
>>
>>                         *Blog <http://miovision.com/blog> | **LinkedIn
>>                                       <https://www.linkedin.com/
>> company/miovision-technologies>  |
>>                         Twitter <https://twitter.com/miovision>  |
>>         Facebook
>>                         <https://www.facebook.com/miovision>*
>>                                       ------------------------------
>> ------------------------------------------
>>
>>
>>                         Miovision Technologies Inc. | 148 Manitou
>>         Drive, Suite
>>                 101,
>>                         Kitchener, ON, Canada | N2C 1L3
>>                         This e-mail may contain information that is
>>         privileged or
>>                         confidential. If you are not the intended
>>         recipient,
>>                 please
>>                         delete the e-mail and any attachments and
>>         notify us
>>                 immediately.
>>
>>
>>                         On Fri, Jan 31, 2014 at 1:26 PM, Steve Dainard
>>                         <sdainard at miovision.com
>>         <mailto:sdainard at miovision.com>
>>                 <mailto:sdainard at miovision.com
>>         <mailto:sdainard at miovision.com>>
>>         <mailto:sdainard at miovision.com <mailto:sdainard at miovision.com>
>>                 <mailto:sdainard at miovision.com
>>         <mailto:sdainard at miovision.com>>>
>>                         <mailto:sdainard at miovision.com
>>         <mailto:sdainard at miovision.com>
>>                 <mailto:sdainard at miovision.com
>>         <mailto:sdainard at miovision.com>>
>>
>>                         <mailto:sdainard at miovision.com
>>         <mailto:sdainard at miovision.com>
>>                 <mailto:sdainard at miovision.com
>>         <mailto:sdainard at miovision.com>>>>> wrote:
>>
>>
>>                                 How would you developers, speaking for the
>>                         oVirt-community,
>>                                 propose to
>>                                 solve this for CentOS _now_ ?
>>
>>                                 I would imagine that the easiest way
>>         is that
>>                 you build and
>>                                 host this one
>>                                 package(qemu-kvm-rhev), since you´ve
>>         basically
>>                 already
>>                         have
>>                                 the source
>>                                 and recipe (since you´re already
>>         providing it
>>                 for RHEV
>>                                 anyway). Then,
>>                                 once that´s in place, it´s more a
>>         question of
>>                 where to
>>                         host the
>>                                 packages, in what repository. Be it
>>         your own,
>>                 or some
>>                         other
>>                                 repo set up
>>                                 for the SIG.
>>
>>                                 This is my view, how I as a user view
>>         this issue.
>>
>>
>>
>>                             I think this is a pretty valid view.
>>
>>                             What would it take to get the correct qemu
>>         package
>>                 hosted
>>                         in the
>>                             ovirt repo?
>>
>>                                 --
>>
>>                                 Med Vänliga Hälsningar
>>
>>         ------------------------------------------------------------
>> -------------------
>>                                 Karli Sjöberg
>>                                 Swedish University of Agricultural
>>         Sciences
>>                 Box 7079
>>                         (Visiting
>>                                 Address
>>                                 Kronåsvägen 8)
>>                                 S-750 07 Uppsala, Sweden
>>                                 Phone: +46-(0)18-67 15 66
>>         <tel:%2B46-%280%2918-67%2015%2066>
>>                 <tel:%2B46-%280%2918-67%2015%2066>
>>                         <tel:%2B46-%280%2918-67%2015%2066>
>>                         <tel:%2B46-%280%2918-67%2015%2066>
>>         karli.sjoberg at slu.se <mailto:karli.sjoberg at slu.se>
>>         <mailto:karli.sjoberg at slu.se <mailto:karli.sjoberg at slu.se>>
>>                 <mailto:karli.sjoberg at slu.se
>>         <mailto:karli.sjoberg at slu.se> <mailto:karli.sjoberg at slu.se
>>         <mailto:karli.sjoberg at slu.se>>>
>>                         <mailto:karli.sjoberg at slu.se
>>         <mailto:karli.sjoberg at slu.se>
>>                 <mailto:karli.sjoberg at slu.se
>>         <mailto:karli.sjoberg at slu.se>> <mailto:karli.sjoberg at slu.se
>>         <mailto:karli.sjoberg at slu.se>
>>                 <mailto:karli.sjoberg at slu.se
>>         <mailto:karli.sjoberg at slu.se>>>>
>>
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>>
>>
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>>
>>
>>                     --     Dafna Ron
>>
>>
>>
>>
>>             --     Dafna Ron
>>
>>
>>
>>
>>     --     Dafna Ron
>>
>>
>>
>
> --
> Dafna Ron
>
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