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Subject: Re: [OMPI users] opal_os_dirpath_create: Error: Unable to create the, sub-directory
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2014-02-04 09:11:33


On Feb 3, 2014, at 6:44 PM, Ralph Castain <rhc_at_[hidden]> wrote:

>> If I may suggest to test the behavior of 1.7.x... what about this: Have a test case that creates a bunch of files (from 0 to 65536) in /tmp/openmpi-sessions-${USER}... before launching an executable without mpirun... >:)
>
> Ick - it will actually only conflict if/when the pid's wrap, so it's a pretty rare issue.

Ralph: what do you think about modifying this for 1.7.5? I.e., if the pid dir already exists in the session directory, remove it. This is always safe to do (assuming /tmp is a local filesystem) because the OS will never use the same PID for 2 concurrent processes.

-- 
Jeff Squyres
jsquyres_at_[hidden]
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