[ET Trac] [Einstein Toolkit] #417: Allow SimFactory 1 to use a shared checkpoints directory

[Einstein Toolkit]

#417: Allow SimFactory 1 to use a shared checkpoints directory
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 Reporter:  hinder       |       Owner:  mthomas
     Type:  enhancement  |      Status:  new    
 Priority:  minor        |   Milestone:         
Component:  SimFactory   |     Version:         
 Keywords:               |  
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 SimFactory 1 currently assumes that checkpoints are written to a
 subdirectory of the restart directory (output-NNNN).  If you have a
 parameter file which uses checkpoint_dir = "../checkpoints" to have a
 shared checkpoint directory between different restarts, you cannot use it
 with simfactory 1.

 The attached patch fixes this in a conservative way.  If there are no
 checkpoint files found under the restart directory, it looks for a
 directory called "checkpoints" in the simulation directory.  If it finds
 checkpoint files in there, then it enables recovery but disables
 checkpoint file hardlinking.

 I don't know if we want to commit this, but it might be useful to someone
 if they have a simulation using a shared checkpoint directory which they
 need to recover.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/417>
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