I've had issues with the unzipping upgrade method for a cluster we were
using Berkley spooling on.  Classic spooling, no issues.

David

-----Original Message-----
From: users-boun...@gridengine.org [mailto:users-boun...@gridengine.org]
On Behalf Of Dave Love
Sent: Thursday, August 23, 2012 6:07 PM
To: Wagner, Justin
Cc: users@gridengine.org
Subject: Re: [gridengine users] SoGE Upgrade Method

"Wagner, Justin" <jwag...@ciena.com> writes:

> I see that SoGE has released version 8.1.1
>
> Is there any documentation or recommendations as to how to upgrade a 
> machine/cluster already running 8.1.0?

It's the same as for any other upwards-compatible version, roughly as
described in the Oracle docs.

The safe thing to do is to (soft) shut down the execds (qconf -ke all),
shut down the qmaster, copy in the new version, restart qmaster, restart
the execds.  If you're using cp or tar to install the new binaries, you
might need to mv the sge_shepherd binary to say sge_shepherd.old if
there's a shepherd running, so that the binary is "busy".  If the
binaries are installed with (the equivalent of) install(1), you don't
need to bother about that.  I can't remember whether it's in the 8.1.1
version, but the "distinst" script you can use to install a built
version can now use a suitable install(1), e.g. the GNU or BSD version.

If you're using RPMs, you should be able just to do an rpm or yum update
of them on a running system and restart all the daemons.

The Sun documentation said you can't do a live update with
tightly-integrated parallel jobs running, but I don't know why, and I've
not seen a problem updating with ones running.

If you have the luxury of scheduled maintenance (unlike us), it's
obviously safest to drain the cluster first.  Also keep a backup, of
course -- see the howto.

The communication protocol hasn't changed so far in the SGE v8 versions,
but the format of the spool files has done somewhat, and also the
allowed value of the binding parameter, for instance.  That means that
in general you can only go upwards in version with a live upgrade, but I
hope there's no good reason to go back.

The live upgrade will work also from 6.2u5 or a compatible version, but
may not work with earlier v6s.

For what it's worth, 8.1.2 should be released soon, particularly to
correct the regression which broke Unix groups in ACLs.  I just need to
test it for a while on our system.

--
Community Grid Engine:  http://arc.liv.ac.uk/SGE/
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