[Swift-devel] Work directory on a non-shared filesystem

[Mihael Hategan]

_swiftwrap needs to make it to the compute nodes somehow.

The scenarios you list below make sense:
1. work dir on shared fs, scratch on /tmp: _swiftwrap is accessed
through the shared fs so it works.
2. provider staging with workdir and scratch on /tmp: _swiftwrap is
staged in by coasters, so that works too.
3. no provider staging, workdir and scratch on /tmp: _swiftwrap has no
way of making it to the compute node, so 127 (command/function not found
- see COMMAND EXECUTION section of man bash).

That's standard stuff. A hack would be to install _swiftwrap along with
the app and convince swift to run that instead of its own swiftwrap.
That might require hacking vdl-int.k, around line 502. Let me know if
you want to go that route, and we can chat on how to get it done.

Mihael

On Thu, 2013-02-07 at 20:10 -0600, David Kelly wrote:
> Is it possible to have a work directory on a non-shared filesystem
> (/tmp) without using provider staging? I'm not staging any files in or
> out with swift, just passing strings. When I try this, I get an 127
> app failure for some reason (the app is /bin/bash). 
> 
> 
> I've been able to set the work directory to a shared filesystem, and
> set the scratch tag to /tmp. That combination seems to work fine. But
> ideally I'd like to avoid the shared filesystem as much as possible. 
> 
> 
> It also seems to work fine with /tmp as the work directory and with provider staging enabled. 
> 
> 
> Just curious if this configuration is possible somehow. Thanks! 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> David Michael Kelly 
> Systems Programmer 
> University of Chicago Computation Institute 
> 5735 S. Ellis Ave. Chicago, IL 60637 
> Is it possible to have a work directory on a non-shared filesystem
> (/tmp) without using provider staging? I'm not staging any files in or
> out with swift, just passing strings. When I try this, I get an 127
> app failure for some reason (the app is /bin/bash). 
> 
> 
> I've been able to set the work directory to a shared filesystem, and
> set the scratch tag to /tmp. That combination seems to work fine. But
> ideally I'd like to avoid the shared filesystem as much as possible.
> 
> 
> It also seems to work fine with /tmp as the work directory and with
> provider staging enabled.
> 
> 
> Just curious if this configuration is possible somehow. Thanks!
> 
> 
> 
> 
> 
>    David Michael Kelly
>    Systems Programmer
>    University of Chicago Computation Institute
>    5735 S. Ellis Ave. Chicago, IL 60637
> 
> 
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