User files and unix system files are backed onto tape regularly, and files may be restored by mailing the contact address. Additionally, most user files are stored on a NetApp (see 'filesystems'), which does periodic 'snapshots' of files, so restores of recently-changed (or deleted) files is quickly accomplished by the operations staff. Staff users whose primary machine is windows-based have their user files stored on the NetApp.

Tape sets are sent regularly to a secure off-site location, for disaster-recovery.

Faculty home directories are periodically archived to CD or data DVD.

The LCSR disk-to-disk backup project intends to lessen the amount of tape needed for these backups -- eventually to none.

LCSR operations regularly backs up files on:

• Faculty systems (netapp for user files, tape for system files)
• Graduate systems (netapp for user files, tape for system files)
• Undergraduate systems (netapp for user files, tape for system files)
• Research systems (netapp for user files, tape for system and centrally-maintained research files.)
• Email system (multiple duplication to disk)
• Staff systems (netapp for user files, tape for system files)

Backups are to tape, or to separate, purpose-built disk areas.

To obtain more specific information on a specific backup set, please send to help@cs.

Tape backups, and for systems designated, disk-to-disk backups, are done with a regularity defined by the volatility of the data involved. Some systems are backed up only weekly, others daily, others less regularly.