Offline Psr; Scope Of Function - Fujitsu Siemens Computers SX series User Manual

Offline PSR

9.7 Offline PSR

9.7.1 Scope of function

PSR is a tool for the physical backup and restoring of data. Disks or individual slices of these
disks can be written onto a backup medium and later read again from it.
PSR is operated on-line via PRIMEPOWER ServerView (see
page 210) and off-line via a Curses-based interface. The on-line mode is described in the
PRIMEPOWER ServerView help texts. This section gives a guide to the off-line mode only.
PSR provides the following functions:
Save
Restore
Copy
Check tape
Label
To be able to back up larger disks, PSR also controls next tape processing. When a tape
comes to the end, PSR requests the next tape. Tapes which have been generated in the
on-line mode can also be read off-line, and vice versa. In this case it must be remembered
that only tape devices connected via SCSI (but not via Fibre Channel) can be addressed in
the on-line mode.
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Saves disks and slices on a selected backup medium.
During the backup a checksum is written onto the backup
medium for each data block.
Restores disks and slices from an existing backup
Copies a disk to another disk (this function is only supported
in off-line operation).
Reads the backup data and checks the checksums for each
slice generated during backup.
Displays the label of a backup, particularly of the generating
system.
Global X2000 functions
section "Functions" on
U41272-J-Z385-3-76