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Storage resources

A variety of storage resources are available in the Feig group. This page provides information on each location, its usage and backup policy, and how much space is left.


Home directories

Some user home directories are located on the local disks of lab workstations. All other home directories are kept on the central NFS server blue. Home directories are fully backed up nightly. Last night's copy is accessible under /backup/<machinename> (workstation home directories) and /backup/home (home directories on blue).

theshores /home/feig Home Dir for feig
swamis /home/sayadi Home Dir for sayadi
blacks /home/gopal Home Dir for gopal
windansea /home/andrew Home Dir for andrew
pipes /home/afra Home Dir for afra
pbpier /home/shayan Home Dir for shayan
ponto /home/slaw Home Dir for slaw
blue /home/<user> Home Dir on blue


Blue cluster

Additional storage is available on the nodes of the blue cluster for special projects such as the SimDB database project. This storage area is not backed up at this time.

blue /apps Apps Dir on blue
blue1 /blue/1 Storage on blue1
blue2 /blue/2 Storage on blue2
blue3 /blue/3 Storage on blue3
blue4 /blue/4 Storage on blue4


Green cluster

The green cluster has three large RAID arrays for storage of simulation data generated on the cluster. It can be accessed from all machines in the Feig lab. Only /green/s1 is backed up weekly, but all of these storage arrays use RAID technology to prevent data loss in case of drive failures.

greens1 /green/s1 Storage on green.s1
greens3 /green/s3 Storage on green.s3
greens3 /green/s3x Storage Node
greens4 /green/s4 Storage on green.s4
greens5 /green/s51 Storage on green.s51
greens5 /green/s52 Storage on green.s52
greens5 /green/s53 Storage on green.s53
greens5 /green/s54 Storage on green.s54


Orange cluster

The orange cluster houses the SimDB database. This storage location is not available for general use. It is used exclusively for simulation data.

orange1 /orange Storage on orange1


Backups

Home directories are backed up automatically onto /backup. A secondary backup of home directories and /green/s1 is made once a week onto /feigstore.

blue2 /backup Backup of home directories
feigstore /feigstore Storage Node


Tape archival

A VXA-2 tape drive with 100 GB capacity is available on blue2 under /dev/st0. The easiest way to make backups is to use the tar command:

  tar cvf /dev/st0 <files or directory>