mogadm host delete not so good?

Brad Fitzpatrick brad at
Wed Dec 27 22:49:54 UTC 2006

The latest svn now has much-expanded tests which reproduce this.

Next up: a fix.

On Thu, 21 Dec 2006, Brett G. Durrett wrote:

> Using 2_02
> We have some old mogile storage nodes that I wanted to take out of the
> cluster and out of the mogile to reduce clutter in the output of
> mogadm.  About two weeks ago I marked all devices on the host as 'dead'
> and based on the database activity, it looks like their files got
> replicated elsewhere.  The machine has been idle for pretty much a week
> so I decided it would be okay to purge it from mogile.
> I did this:
> # mogadm host delete OLDHOST
> And pretty quickly nothing worked.  Looking at the daemon log, it
> appears the tracker does not like having a host go MIA so it dies.
> Dec 21 14:40:41 AF001079 mogilefsd[5728]: crash log: No host for dev 6
> (host 4) at /usr/bin/mogilefsd line 329.
> Dec 21 14:40:41 AF001079 mogilefsd[5728]: ending run
> Dec 21 14:40:43 AF001079 mogilefsd[9415]: Child 5728 (monitor) died: 0
> I recovered by going into the database and manually re-adding the row
> for the host (setting its status to 'dead').  This appears to have
> addressed the big failure.
> My question: is there any way to remove a device from mogile and if so,
> what is the correct procedure?
> Thanks,
> B-

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