Audits
252
SL500 User’s Guide • July 2008
Revision: KA • 96116
Audits
An audit is the process of reading and cataloging cartridges within a library, verifying
the locations of cartridges, or validating a range of slot locations. The library controller
maintains a cartridge database that contains the following information for all the
cartridges in the library:
■
Volume serial numbers (VOLID or VOLSER)
■
Current location (in library internal address format)
■
Verified status (true or false)
The library audits all cartridge locations in the storage and reserved areas at the
following times:
■
An audit request is made through the SL Console.
■
A host request to audit the library is entered.
You can use the SL Console to perform the following types of audits:
■
Physical Audit
■
Verified Audit
Caution –
System-level problems may occur if a host’s cartridge record does not match
what is in the library controller cartridge database.
Physical Audit
In a physical audit, the HandBot visits cartridge locations and verifies the VOLID of
resident cartridges, and the library controller updates the cartridge database. This audit
changes the “verified” status of the cartridge locations to “True.” Audit times vary
according to the size of the library.
The library performs a physical audit at the following times.
■
When initiated manually from the SL Console. There are two types of manually
initiated physical audits:
■
Entire library audit—The HandBot visits all cells (storage, CAP, and drive),
catalogs the VOLIDs and locations, and updates the library controller cartridge
database. This audit is a background process and so does not interrupt online
library operations. See
“Audit the Entire Library” on page 275
for details.
Estimated time for such an audit is from less than 10 minutes for a Base Module
to 30 minutes for a maximum size library.
■
Specific range audit—The HandBot visits only a specific range of cells (storage,
CAP, and drive) and updates the library controller cartridge database. The audit
information is displayed on the SL Console while the audit is performed. See
“Audit a Range of Cells” on page 277
for details.
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