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cluster:93 [2011/01/11 16:43] hmeij |
cluster:93 [2011/01/11 16:43] hmeij |
However, since our fantastic crash of June 2008 ([[cluster:67|The catastrophic crash of June 08]] page) /sanscratch was simply a directory inside /home and thus competes for disk space and IO. | However, since our fantastic crash of June 2008 ([[cluster:67|The catastrophic crash of June 08]] page) /sanscratch was simply a directory inside /home and thus competes for disk space and IO. |
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On greentail, /sanscratch will be a separate logical volume of 5 TB using a different disk set. SO i urge those that have very large files to stage their files in /sanscratch when running their jobs for best performance. The scheduler will always create (and delete!) two directories for you. The JOBPID of your job is used to create /localscratch/jobpid and /sanscratch/jobpid. | On greentail, /sanscratch will be a separate logical volume of 5 TB using a different disk set. So I urge those that have very large files to stage their files in /sanscratch when running their jobs for best performance. The scheduler will always create (and delete!) two directories for you. The JOBPID of your job is used to create /localscratch/jobpid and /sanscratch/jobpid. |
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===== MPI ===== | ===== MPI ===== |