Arkansas High Performace Computing Center [hpcwiki]

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===== Storage =====

Razor and Trestles clusters have separate sets of file systems.  Each cluster has 3 main storage areas: /home, /scratch and /storage.  The purpose and various properties of each file system for both clusters are summarized below.


** Razor File Systems**

^File System^Intended Purpose^Default Quota^Total Capacity^Backed up^Purged^	
|/home| frequently accessed user files| 80GB| 15TB| Yes| No |
|/storage| safe, long-term storage| 200GB| 73TB| Yes| No |
|/scratch| fast, temporary storage for job input/output files| None| 35TB| No| Periodically|
   
Please note that although there are still individual user directories on Razor /scratch at the moment, this will change during the next storage hardware upgrade.  Individual job directories will be created automatically on /scratch for each job and 2 weeks after the job finishes the directory will be deleted. 
   

** Trestles File Systems**
^File System^Intended Purpose^Default Quota^Total Capacity^Backed up^Purged^	
|/storage| safe, long-term storage| 853GB| 70TB| Yes| No|
|/home| frequently accessed user files <html><br></html>(mount point on /storage)| :::| :::| :::| :::|
|/scratch| fast temporary storage for job input/output files| None| 16TB | No| Bi-weekly |

Please see [[moving_data|Moving Data]] for instructions on how to upload and move files between the clusters.
See [[backups|Backups]] for the backup procedure for /home (only) partitions.
See [[migration|Migration]] for auto moving and deleting of /scratch partitions.

Arkansas High Performace Computing Center [hpcwiki]

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