[MITgcm-support] Reading an old pickup file

[Jean-Michel Campin]

Hi Luke,

If a miss-match occurs when restarting from "mds" pickup-files, some information 
is written to STDOUT and/or STDERR.

Otherwise, to answer your question, MITgcm supports the restart from "mds" 
pickup-files ( *.data + *.meta) that were generated with older version, 
but not older than checkpoint-35, Feb 08, 2001
(since the logical parameter usePickupBeforeC35 was retired on Jan 2007).

To restart from a pickup generated with code older than checkpoint54 (2004/07/02),
you will need to set: usePickupBeforeC54=.TRUE. (in NAMELIST "PARM01")

And, as pointed by Martin, pickupStrictlyMatch will likely need to be turned off.

Cheers,
Jean-Michel

On Mon, Jan 19, 2015 at 09:15:40PM +0000, Lucas Gloege wrote:
> Hi!
> 
> 
> The model is not reading my pickup files. The code I am using was checked out from the code repository in 2013 and the pickup file was created on code checked out in 2006.
> 
> 
> Is it possible that a newer version of the code can not read an "old" pickup file??
> 
> 
> Thank you!
> 
> 
> -Luke

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