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From Jan-Arve Nygård <jan.arve.nyg...@gmail.com>
Subject Re: XenServer 6.5
Date Wed, 08 Apr 2015 19:16:46 GMT
Thanks for testing and feedback. I suppose you are using the tools provided
with XS 6.5 as well?

I have sent our crash dumps to Citrix and are awaiting their analysis. Will
update with the root cause when it's found.

-thinktwo

2015-04-08 20:56 GMT+02:00 Tomasz Zięba <t.a.zieba@gmail.com>:

> Hi,
>
> Test 1
>
> 1. XS6.5 without updates
> 2. XenCenter only
> 3. Storage
> a) NFS primary storage
> b) FC primary storage
> 4. VM Ubuntu 14.04.02 with Tools
> 5. Snapshots
> a) VM Snapshots disks
> b) VM Snapshots disks and memory
>
> Test 2
>
> 1. XS6.5 all updates: XS65E001, XS65E002, XS65E003, XS65E005, XS65E006,
> XS65E008
> 2. XenCenter only
> 3. Storage
> a) NFS primary storage
> b) FC primary storage
> 4. VM Ubuntu 14.04.02 with Tools
> 5. Snapshots
> a) VM Snapshots disks
> b) VM Snapshots disks and memory
> Summary
> VM Reverts (with all combinations of hardware and updates) works fine.
>
>
> --
> Regards,
> Tomasz Zięba
> Twitter: @TZieba
> LinkedIn: pl.linkedin.com/pub/tomasz-zięba-ph-d/3b/7a8/ab6/
> <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
> <http://pl.linkedin.com/pub/tomasz-zi%C4%99ba-ph-d/3b/7a8/ab6/>
>
> 2015-04-08 17:30 GMT+02:00 Jan-Arve Nygård <jan.arve.nygard@gmail.com>:
>
> > Thanks,
> >
> > We are running a build based on 4.5.1. Snapshots with memory (from
> > CloudStack or XenCenter) and a revert works as expected with a CentOS 6.6
> > install and XenServer 6.5 and the same version of xen-guest-utilities.
> >
> > I also just tested with a new install of Ubuntu 14.04.2 LTS from running
> > kernel 3.16.0-30-generic #40~14.04.1-Ubuntu with a new installation of
> > xe-guest-utilities_6.5.0-1400_amd64.deb installed (from Xens
> xs-tools.iso)
> > and the XenServer 6.5 hosts running the VM still crashed when taking
> > snapshot with memory.
> >
> > It would be very interesting to know if you also experience this behavior
> > so let me know when you have had time to test it.
> >
> >
> > -thinktwo
> >
> > 2015-04-08 16:46 GMT+02:00 Vadim Kimlaychuk <Vadim.Kimlaychuk@elion.ee>:
> >
> > > Hi,
> > >
> > >         This is really scary. Can test within couple of days, but I
> will
> > > put 4.5.1 version as 4.5 is broken.  Memory snapshots are not available
> > for
> > > the XenServer as far as I know, but they just failed at CS before.
> Host
> > > did crash definately.
> > >
> > > Vadim.
> > >
> > > -----Original Message-----
> > > From: Jan-Arve Nygård [mailto:jan.arve.nygard@gmail.com]
> > > Sent: Wednesday, April 08, 2015 2:43 PM
> > > To: users@cloudstack.apache.org
> > > Subject: XenServer 6.5
> > >
> > > Hi all,
> > >
> > > We recently experienced a host crash on XenServer 6.5 (all available
> > > patches applied) when running snapshot of the virtual machines disks
> and
> > > memory. Snapshots of disks only (not memory) does not cause a XenServer
> > > crash. This happens both when initiating the snapshots from CloudStack
> > 4.5
> > > or directly from XenServer/Center.
> > >
> > > We are able to reproduce this with Ubuntu 14.04.2 and
> xe-guest-utilities
> > > 6.5.0-1400, XenServer 6.5 with all available patches and FC as primary
> > > storage. We will continue to test with other versions/combinations.
> > >
> > > Could someone else with XenServer 6.5 please try a full snapshot of VM
> > > with disks and memory to see if you experience the same? We have the
> > crash
> > > dumps and will report this but it would be useful with some more
> > feedback.
> > >
> > >
> > > Thanks,
> > >
> > > -thinktwo
> > >
> >
>

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