[Users] Is there a way to force remove a host?
Itamar Heim
iheim at redhat.com
Tue Sep 25 06:59:22 UTC 2012
On 09/25/2012 03:27 AM, Dominic Kaiser wrote:
> Dominic - are you also using a cluster with gluster service enabled?
>
> Yes Gluster Service is enabled. And I can not remove hosts from that
> cluster.
shireesh - please take a look at this.
dominic - move the host to a virt only cluster and delete the host.
>
> Dominic
>
> On Mon, Sep 24, 2012 at 6:07 PM, Itamar Heim <iheim at redhat.com
> <mailto:iheim at redhat.com>> wrote:
>
> On 09/25/2012 12:03 AM, Jason Brooks wrote:
>
> On Mon 24 Sep 2012 02:55:54 PM PDT, Itamar Heim wrote:
>
> On 09/24/2012 11:53 PM, Jason Brooks wrote:
>
> On Mon 24 Sep 2012 01:24:44 PM PDT, Itamar Heim wrote:
>
> On 09/24/2012 08:49 PM, Dominic Kaiser wrote:
>
> This conversation is fine but if I want to force
> remove no matter
> what I
> should be able to from the GUI. The nodes are
> no longer available I
> want to get rid of them ovirt does not let me.
> I can delete from
> database but why not from the GUI? I am sure
> others may run into this
> problem as well.
>
>
> what happens to the status of the host when you
> right click on the
> host and specify you confirm it was shutdown?
>
>
> I'm having this same issue. Confirming the host is shut
> down doesn't
> make a difference.
>
> I'm seeing lots of "Failed to GlusterHostRemoveVDS,
> error = Unexpected
> exception" errors in my engine log that seem to
> correspond w/ the failed
> remove host attempts.
>
>
> is cluster defined as gluster as well?
>
>
> Yes, it is.
>
>
> that's a very important piece of information...
> is there a more detailed exception in the log on the error?
> can you uncheck gluster and try to remove it again?
>
> Dominic - are you also using a cluster with gluster service enabled?
>
>
>
>
> what is the status of the host after you confirm shutdown?
> any error on log on this specific command?
>
>
> I have two hosts I want to remove -- one, a failed add that never
> completed, and the other, an F17 machine that I subsequently
> updated to
> F18. So neither of those hosts are actually connected to my engine.
> Their status is either non-responsive or maintenance, if I activate,
> it's the former, if I set it to maintenance, it's the latter. I
> can only
> attempt to remove in maintenance mode, so that's where I have them.
>
> There don't appear to be any errors confirming manual reboot.
>
>
> shireesh - not sure if relevant to this flow, but need to
> make sure
> removing a host from the engine isn't blocked on gluster
> needing to
> remove it from the gluster cluster if the host is not
> available any
> more, or last host in gluster cluster?
>
>
>
>
>
> Dominic
>
> On Sep 22, 2012 4:19 PM, "Eli Mesika"
> <emesika at redhat.com <mailto:emesika at redhat.com>
> <mailto:emesika at redhat.com
> <mailto:emesika at redhat.com>>> wrote:
>
>
>
> ----- Original Message -----
> > From: "Douglas Landgraf"
> <dougsland at redhat.com <mailto:dougsland at redhat.com>
> <mailto:dougsland at redhat.com
> <mailto:dougsland at redhat.com>>>
> > To: "Dominic Kaiser"
> <dominic at bostonvineyard.org
> <mailto:dominic at bostonvineyard.org>
> <mailto:dominic at __bostonvineyard.org
> <mailto:dominic at bostonvineyard.org>>>
> > Cc: "Eli Mesika" <emesika at redhat.com
> <mailto:emesika at redhat.com>
> <mailto:emesika at redhat.com
> <mailto:emesika at redhat.com>>>, users at ovirt.org
> <mailto:users at ovirt.org>
> <mailto:users at ovirt.org
> <mailto:users at ovirt.org>>, "Robert Middleswarth"
> <robert at middleswarth.net
> <mailto:robert at middleswarth.net>
> <mailto:robert at middleswarth.__net
> <mailto:robert at middleswarth.net>>>
> > Sent: Friday, September 21, 2012 8:12:27 PM
> > Subject: Re: [Users] Is there a way to
> force remove a host?
> >
> > Hi Dominic,
> >
> > On 09/20/2012 12:11 PM, Dominic Kaiser
> wrote:
> > > Sorry I did not explain.
> > >
> > > I had tried to remove the host and had
> not luck
> troubleshooting it.
> > > I
> > > then had removed it and used it for a
> storage unit
> reinstalling
> > > fedora
> > > 17. I foolishly thought that I could
> just remove the host
> > > manually.
> > > It physically is not there. (My fault
> I know) Is there a
> way that
> > > you know of to remove a host brute force.
> > >
> > > dk
> >
> > Fell free to try the below script (not
> part of official
> project) for
> > brute force:
> >
> > (from the engine side)
> > # yum install python-psycopg2 -y
> > # wget
> >
>
> https://raw.github.com/__dougsland/misc-rhev/master/__engine_force_remove_Host.py
> <https://raw.github.com/dougsland/misc-rhev/master/engine_force_remove_Host.py>
>
>
>
>
> > # (edit the file and change the db password)
> > # python ./engine_force_remove_Host.py
>
> Hi , had looked in the Python script you
> had provided:
> First, I must say that handling the
> database directly may leave DB
> in inconsistent state, therefore, if there
> is no other option, the
> database should be backed up prior to this
> operation.
> In addition, I do not like the execution of
> the SQL statements in
> the script.
> There is a SP called DeleteVds(v_vds_id
> UUID) and you should use
> that since it encapsulates all details.
> For example, your script does not handle
> permission clean-up as
> the
> SP does and therefore leaves garbage in the
> database.
> In addition, a failure in your script may
> leave database in
> inconsistent state while the SP is executed
> in one transaction and
> will leave DB consistent.
> So, in short I would prefer in this case
> that the relevant SP will
> do the clean-up since this is the one that
> is used by the code and
> that insures (at least I hope so) , that
> all related entities are
> removed as well.
>
>
> >
> > Thanks
> >
> > --
> > Cheers
> > Douglas
> >
> >
>
>
>
> _________________________________________________
> Users mailing list
> Users at ovirt.org <mailto:Users at ovirt.org>
> http://lists.ovirt.org/__mailman/listinfo/users
> <http://lists.ovirt.org/mailman/listinfo/users>
>
>
>
> _________________________________________________
> Users mailing list
> Users at ovirt.org <mailto:Users at ovirt.org>
> http://lists.ovirt.org/__mailman/listinfo/users
> <http://lists.ovirt.org/mailman/listinfo/users>
>
>
>
>
> --
>
> @jasonbrooks
>
>
>
>
>
>
> --
>
> @jasonbrooks
>
>
>
>
>
>
> --
> Dominic Kaiser
> Greater Boston Vineyard
> Director of Operations
>
> cell: 617-230-1412
> fax: 617-252-0238
> email: dominic at bostonvineyard.org <mailto:dominic at bostonvineyard.org>
>
>
More information about the Users
mailing list