[Users] Issues starting hosted engine VM
Dafna Ron
dron at redhat.com
Mon Jan 20 11:22:21 UTC 2014
Itamar, was this only applied for hosted engine or was this added or
planed to be added to all engine setups?
On 01/20/2014 11:19 AM, Andrew Lau wrote:
> Hi,
>
> That bug seems to be private :(
>
> I'm interested also to hear about this feature, as with 3.3.2 I had my
> gluster vms go into paused state quite a few times and they actually
> couldn't be resumed at all, they needed to be forced off and back on.
>
> On Mon, Jan 20, 2014 at 10:13 PM, Dafna Ron <dron at redhat.com
> <mailto:dron at redhat.com>> wrote:
>
> interesting... :) so this is now configurable...
> what happens if qemu fails to start the vm (this happens sometimes
> - mostly on file type storage). do we have a re-try or a specific
> error telling the use that the activation failed and manual
> intervention is required?
>
>
>
> On 01/20/2014 11:02 AM, Leonid Natapov wrote:
>
> All vms. Check this PRD:
> https://bugzilla.redhat.com/show_bug.cgi?id=723055
>
>
> ----- Original Message -----
> From: "Dafna Ron" <dron at redhat.com <mailto:dron at redhat.com>>
> To: "Leonid Natapov" <lnatapov at redhat.com
> <mailto:lnatapov at redhat.com>>
> Cc: "Andrew Lau" <andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>, "Yedidyah Bar David"
> <didi at redhat.com <mailto:didi at redhat.com>>, "users"
> <users at ovirt.org <mailto:users at ovirt.org>>
> Sent: Monday, January 20, 2014 12:44:46 PM
> Subject: Re: [Users] Issues starting hosted engine VM
>
> On 01/20/2014 10:38 AM, Leonid Natapov wrote:
>
> 1.hosted-engine --vm-start should start engine vm. There
> was no problem with it when I tested it.
> 2.hosted-engine --vm-start-paused was added for the case
> when something is wrong with engine vm and it can't start
> and requires user intervention. For example in case of
> kernel panic.
> User can start engine vm in paused mode ,connect to it and
> try to fix the problem by booting in single user mode ,etc.
> 3.When the connectivity to shared storage is lost engine
> vm becomes paused. VM should be automatically unpaused
> after connectivity resumes (we introduced this feature in
> 3.3) but in case of NFS it could take quite time.so may be
> we should add something like --vm-resume in order to resume
>
> Are we talking only on the hosted engine vm or all other vm's?
> if I have
> other vm's they will also stop, will they be auto started as well?
>
> the engine vm manually.
>
> Thanks,
> Leonid.
>
>
> ----- Original Message -----
> From: "Andrew Lau" <andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>
> To: dron at redhat.com <mailto:dron at redhat.com>
> Cc: "Leonid Natapov" <lnatapov at redhat.com
> <mailto:lnatapov at redhat.com>>, "Yedidyah Bar David"
> <didi at redhat.com <mailto:didi at redhat.com>>, "users"
> <users at ovirt.org <mailto:users at ovirt.org>>
> Sent: Monday, January 20, 2014 12:28:15 PM
> Subject: Re: [Users] Issues starting hosted engine VM
>
> It was paused due to the connection loss to the NFS
> server, I would assume
> once the connection is restored it could attempt to
> restore it? But I can
> try dig up the vdsm logs if you want, they would only be a
> few hours old
>
> I think having an option like --vm-resume would at least
> hide the reason of
> having to dig into virsh and messing with authentication
> at the very least.
>
> On Mon, Jan 20, 2014 at 9:23 PM, Dafna Ron
> <dron at redhat.com <mailto:dron at redhat.com>> wrote:
>
> the question is what was the vm paused on... this can
> be found in the qemu
> vm log.
> if the vm is paused it will not be auto started - so I
> am not sure what
> you expect to change? virsh requires authentication
> regardless to hosted
> engine :)
> Leonid, did you do any testing there?
>
>
> On 01/20/2014 10:13 AM, Andrew Lau wrote:
>
> I have opened this BZ 1055461 anyway just in case
>
>
> On Mon, Jan 20, 2014 at 8:33 PM, Andrew Lau
> <andrew at andrewklau.com
> <mailto:andrew at andrewklau.com><mailto:
> andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>> wrote:
>
> I was more interested in how the score
> process would be
> calculated, the vm-status option considered
> the VM in a bad state.
>
> I left it for a few minutes and nothing
> seemed to have changed, I
> think it relates to hosted engine as virsh
> requires
> authentication. Should I still open a bz?
>
> Cheers,
> Andrew.
>
> On Jan 20, 2014 7:48 PM, "Dafna Ron"
> <dron at redhat.com <mailto:dron at redhat.com>
> <mailto:dron at redhat.com
> <mailto:dron at redhat.com>>> wrote:
>
> I am not sure this is a hosted engine
> question as much as a
> qemu question.
> qemu-kvm will not support auto start of
> vm's after EIO because
> of remote possibility of corruption.
>
> On 01/20/2014 05:46 AM, Andrew Lau wrote:
>
> Hi,
>
> Quick question, in the scenario eg.
> the NFS server becomes
> unreachable and the hosted-engine
> goes into a paused
> state. Will other hosts attempt to
> bring it back up?
> Should there be a command eg.
> hosted-engine --vm-resume ?
>
> When this happened, I manually
> forced it to resume using virsh
>
>
> On Sun, Jan 19, 2014 at 7:21 PM,
> Yedidyah Bar David
> <didi at redhat.com
> <mailto:didi at redhat.com> <mailto:didi at redhat.com
> <mailto:didi at redhat.com>>
> <mailto:didi at redhat.com
> <mailto:didi at redhat.com> <mailto:didi at redhat.com
> <mailto:didi at redhat.com>>>> wrote:
>
> Thanks a lot for your efforts
> and the report!
> -- Didi
>
> ------------------------------
> ------------------------------------------
>
> *From: *"Andrew Lau"
> <andrew at andrewklau.com <mailto:andrew at andrewklau.com>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>
>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>
>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>>>
> *To: *"users"
> <users at ovirt.org <mailto:users at ovirt.org>
> <mailto:users at ovirt.org
> <mailto:users at ovirt.org>> <mailto:users at ovirt.org
> <mailto:users at ovirt.org>
>
> <mailto:users at ovirt.org
> <mailto:users at ovirt.org>>>>
> *Sent: *Saturday, January
> 18, 2014 3:20:22 PM
> *Subject: *Re: [Users]
> Issues starting hosted
> engine VM
>
>
> I believe I found the issue
> and have reported it here
> https://bugzilla.redhat.com/show_bug.cgi?id=1055059
>
> On Sat, Jan 18, 2014 at
> 11:33 PM, Andrew Lau
> <andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>
>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>>> wrote:
>
> The interesting thing -
> trying it with the
> paused option
> vdsm seems to create the VM
>
> hosted-engine
> --vm-start-paused
>
> vdsm.log
> http://www.fpaste.org/69604/13900482/
>
> But I'm not sure how to
> then proceed to
> "resume" it.
>
> On Sat, Jan 18, 2014 at
> 10:23 PM, Andrew Lau
> <andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>
>
> <mailto:andrew at andrewklau.com
> <mailto:andrew at andrewklau.com>>>> wrote:
>
> Hi,
>
> With the great help
> from sbonazzo, I
> managed to step
> past the initial bug
> with the
> hosted-engine-setup but
> appear to have run
> into another show stopper.
>
> I ran through the
> install process
> successfully up to
> the stage where it
> completed and the
> engine VM was to
> be shutdown. (The
> engine has already been
> installed on
> the VM and the host
> has been connected to
> the engine).
>
> The issue starts
> here that the host finds
> itself not
> able to start the VM
> up again.
>
> VDSM Logs:
> http://www.fpaste.org/69592/00427141/
> ovirt-hosted-engine-ha agent.log
> http://www.fpaste.org/69595/43609139/
>
> It seems to keep
> failing to start the VM..
> when I
> restart the agent I
> can see the score drop
> to 0 after
> 3 boot attempts.
> The interesting thing
> seems to be in
> the VDSM Logs
> "'Virtual machine does not
> exist',
> 'code': 1}}"
>
> I'm not sure where
> else to look. Suggestions?
>
> Cheers,
>
> Andrew
>
>
>
>
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> <mailto:Users at ovirt.org>>>
>
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>
>
>
>
> -- Didi
>
>
>
>
>
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>
>
>
> -- Dafna Ron
>
>
>
> --
> Dafna Ron
>
>
>
>
> --
> Dafna Ron
>
>
--
Dafna Ron
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