Re: [Users] Issues starting hosted engine VM

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(a)redhat.com&gt; > To: "Leonid Natapov" <lnatapov(a)redhat.com&gt; > Cc: "Andrew Lau" <andrew(a)andrewklau.com&gt;, "Yedidyah Bar David" < > didi(a)redhat.com&gt;, "users" <users(a)ovirt.org&gt; > 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(a)andrewklau.com&gt; >> To: dron(a)redhat.com >> Cc: "Leonid Natapov" <lnatapov(a)redhat.com&gt;, "Yedidyah Bar David" < >> didi(a)redhat.com&gt;, "users" <users(a)ovirt.org&gt; >> 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(a)redhat.com&gt; 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(a)andrewklau.com >>>> <mailto: >>>> andrew(a)andrewklau.com&gt;&gt; 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(a)redhat.com >>>> <mailto:dron@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(a)redhat.com <mailto:didi@redhat.com> >>>> <mailto:didi@redhat.com <mailto:didi@redhat.com>>> >>>> wrote: >>>> >>>> Thanks a lot for your efforts and the report! >>>> -- Didi >>>> >>>> ------------------------------ >>>> ------------------------------------------ >>>> >>>> *From: *"Andrew Lau" <andrew(a)andrewklau.com >>>> <mailto:andrew@andrewklau.com> >>>> <mailto:andrew@andrewklau.com >>>> >>>> <mailto:andrew@andrewklau.com>>> >>>> *To: *"users" <users(a)ovirt.org >>>> <mailto:users@ovirt.org> <mailto:users@ovirt.org >>>> >>>> <mailto:users@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(a)andrewklau.com >>>> <mailto:andrew@andrewklau.com> >>>> <mailto:andrew@andrewklau.com >>>> >>>> <mailto:andrew@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(a)andrewklau.com >>>> <mailto:andrew@andrewklau.com> >>>> <mailto:andrew@andrewklau.com >>>> >>>> <mailto:andrew@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 >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Users mailing list >>>> Users(a)ovirt.org <mailto:Users@ovirt.org> >>>> <mailto:Users@ovirt.org <mailto:Users@ovirt.org>> >>>> >>>> http://lists.ovirt.org/mailman/listinfo/users >>>> >>>> >>>> >>>> >>>> -- Didi >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Users mailing list >>>> Users(a)ovirt.org <mailto:Users@ovirt.org> >>>> http://lists.ovirt.org/mailman/listinfo/users >>>> >>>> >>>> >>>> -- Dafna Ron >>>> >>>> >>>> >>>> -- >>> Dafna Ron >>> >>> > -- Dafna Ron