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cluster:93 [2011/01/11 16:35] hmeij |
cluster:93 [2011/01/11 16:42] hmeij |
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===== SSH Keys ===== | ===== SSH Keys ===== | ||
- | You can log in to host greentail directly ('' | + | You can log in to host greentail directly ('' |
- | Within the directory **/ | + | Within the directory **/ |
Note: the software stack on host petaltail (administrative server) creates ssh keys for you automatically upon your first login, so for most of you this is all set. To set up your private/ | Note: the software stack on host petaltail (administrative server) creates ssh keys for you automatically upon your first login, so for most of you this is all set. To set up your private/ | ||
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* you can have multiple public ssh key entries in this file | * you can have multiple public ssh key entries in this file | ||
- | The file **known_hosts** contains server level ssh keys. This is necessary for MPI programs to log into compute nodes withouot | + | The file **known_hosts** contains server level ssh keys. This is necessary for MPI programs to log into compute nodes without |
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Previously there were two scratch areas available to your programs: / | Previously there were two scratch areas available to your programs: / | ||
- | However, since our fantastic crash of June 2008 ([[cluster: | + | However, since our fantastic crash of June 2008 ([[cluster: |
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. | 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. |