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Subject: Re: [OMPI users] Problems with gridengine integration on RHEL 6
From: Reuti (reuti_at_[hidden])
Date: 2012-02-15 19:08:42


Am 16.02.2012 um 00:41 schrieb Dave Love:

> Brian McNally <bmcnally_at_[hidden]> writes:
>
>> Hello Open MPI community,
>>
>> I'm running the openmpi 1.5.3 package as provided by Redhat Enterprise
>> Linux 6, along with SGE 6.2u3. I've discovered that under RHEL 5 orted
>> gets spawned via qrsh and under RHEL 6 orted gets spanwed via
>> SSH. This is happening in the same cluster environment with the same
>> parallel environment setup. I want orted to get spawned via qrsh
>> because we impose memory limits if a job is spawned through SSH.
>
> [I'd have thought you'd want qrsh to get tight integration regardless.]
>
>> I cannot determine WHY the behavior is different from RHEL 5 to RHEL
>> 6. In the former I'm using the openmpi 1.4.3 package, in the latter
>> I'm using openmpi 1.5.3. Both are supposedly built to support the
>> gridengine ras.
>
> See the release notes for 1.5.4. The workaround I was given is
> plm = ^rshd

Aha, thx for reminding me of it - so it's still broken.

-- Reuti

> Does "the same parallel environment setup" mean mixing 1.4 and 1.5? I
> thought they weren't binary compatible.
>
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