• Several Storage Targets available
  • $HOME
  • $TMPDIR
  • $BINFS
  • $BINFL
  • $DATA
• For different purposes
  • Random I/O
  • Small Files
  • Huge Files / Streaming Data

• Use for software and job scripts
• Default quota: 100GB
• Accessible with the $HOME environment variable (VSC-4)
  • /home/fs70XXX/username
• Also available on VSC-3
  • /gpfs/home/fs70XXX/username
• Check quota

mmlsquota --block-size auto -j home_fs70XXX home

VSC-4 > mmlsquota --block-size auto -j home_fs70824 home
                         Block Limits                                    |     File Limits
Filesystem type         blocks      quota      limit   in_doubt    grace |    files   quota    limit in_doubt
home       FILESET       63.7M       100G       100G          0     none |     3822 1000000  1000000        0 

• Use for
  • Random I/O
  • Many small files
• Size is up to 50% of main memory
• Data gets deleted after the job
  • Write Results to $HOME or $GLOBAL
• Disadvantages
  • Space is consumed from main memory
• Accessible with the $TMPDIR environment variable

• Use for all kind of I/O
• Default quota: 10TB
  • Extansion can be requested
• Accessible with the $DATA environment variable
  • /gpfs/data/fs70XXX/username
• Check quota

mmlsquota --block-size auto -j data_fs70XXX data

VSC-4 > mmlsquota --block-size auto -j data_fs70824 data
                         Block Limits                                    |     File Limits
Filesystem type         blocks      quota      limit   in_doubt    grace |    files   quota    limit in_doubt 
data       FILESET           0     9.766T     9.766T          0     none |       14 1000000  1000000        0 

• Backup of user files is solely the responsibility of each user
  • How to back up my files
• Backed up filesystems:
  • $HOME (VSC-4)
  • $DATA (VSC-4)
• Backups are performed on best effort basis
  • Full backup run: ~3 days
• Backups are used for disaster recovery only
• Project manager can exclude $DATA filesystem from backup
  • service.vsc.ac.at