[ET Trac] [Einstein Toolkit] #322: SimFactory metadata deleted by periodic filesystem purges

[Einstein Toolkit]

#322: SimFactory metadata deleted by periodic filesystem purges
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 Reporter:  hinder       |       Owner:  mthomas
     Type:  enhancement  |      Status:  new    
 Priority:  minor        |   Milestone:         
Component:  SimFactory   |     Version:         
 Keywords:               |  
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 Production filesystems are subject to periodic purges (typically on the
 order of weeks or months) where data which has not been accessed recently
 is deleted.  This means that it is possible for some restarts of very
 long-running simulations to be deleted by the system.  This can be
 addressed by an automated archiving system, but such a system does not
 address the problem that the simulation metadata directory (currently
 called SIMFACTORY) and any restarts which have not been run yet, will also
 be purged.  This would make it impossible to submit future restarts and
 limits the number of chained restarts you can submit to the purge time of
 the system.

 One possibility to solve this problem would be to store a backup, or
 "shadow" copy of all the simulation metadata in a non-volatile location.
 This could be the user's home directory, or a "work" directory which is
 not purged.  The details would need to be worked out.

 This is not a serious issue yet.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/322>
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