Hi,

Just a quick note about today's deployment.

The good news is that things are all working :)

There were a few wrinkles along the way.  A few were due to the fact
that replacing which package provides a certain module
(lava.utils.interface in this case, which moved from lava-server to its
own package) appears to confuse things a bit.

Once the new code was in place, I prepared to run health check jobs.  I
used the new admin action to mark all 'passing' boards as 'unknown'
health state, cleared out /linaro/image enough to have plenty of disk
space while the health jobs ran and then turned the scheduler back on.

As desired, all boards started running health check jobs.  This meant
that there were 30 odd processes uncompressing disk images, loopback
mounting them and tarring bits of them up -- load went up to 90, and
stayed there for a few hours!  Although the machine was still quite
usable in this state, it's probably not a good situation.  I filed a
couple of bugs about this:

https://bugs.launchpad.net/lava-scheduler/+bug/967849
https://bugs.launchpad.net/lava-dispatcher/+bug/967877

Thankfully, the large majority of health jobs passed.  We had a few
issues:

3 jobs on panda hit the serial truncation thing:

http://validation.linaro.org/lava-server/scheduler/job/16932/log_file
http://validation.linaro.org/lava-server/scheduler/job/16946/log_file
http://validation.linaro.org/lava-server/scheduler/job/16956/log_file

The last was a different command though -- "mount
/dev/disk/by-label/testbo" -- could it be getting worse?

1 job on origen02 (had deployment time out for reasons that are not
clear:

http://validation.linaro.org/lava-server/scheduler/job/16961/log_file

1 job on origen03 failed:

http://validation.linaro.org/lava-server/scheduler/job/16951

but because the board was spamming the serial line when the job started,
I haven't actually loaded enough of the log to find the problem
yet... (maybe we should hard reset the board when we terminate a badly
behaving job?).

Cheers,
mwh

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