Oracle Secure Backup 10.3, Руководство по установке и настройке

Страница: 98 / 174

Adding Tape Devices to an Administrative Domain
5-16 Oracle Secure Backup Installation and Configuration Guide
ejected and manually removes them. This option can be useful when the tape
library has no import/export slots.
15.
Enter a value in the Minimum writable volumes field.
When Oracle Secure Backup scans tape devices for volumes to be moved, it looks
at this minimum writable volume threshold. If the minimum writable volume
threshold is nonzero, and if the number of writable volumes in that tape library is
less than this threshold, then Oracle Secure Backup creates a media movement job
for the full volumes even if their rotation policy does not require it. When this
happens, Oracle Secure Backup notes in the media movement job transcript that
volumes have been moved early.
16.
Click OK to save your changes.
Configuring Automatic Tape Cleaning for a Library
Oracle Secure Backup can automatically clean each tape drive in a tape library. A
cleaning cycle is initiated either when a tape drive reports that it needs cleaning or
when a specified usage time has elapsed.
Oracle Secure Backup checks for cleaning requirements when a cartridge is either
loaded into or unloaded from a tape drive. If at that time a cleaning is required, then
Oracle Secure Backup loads a cleaning cartridge, waits for the cleaning cycle to
complete, replaces the cleaning cartridge in its original storage element, and continues
with the requested load or unload.
To configure automatic cleaning for a tape library:
1.
In the Auto clean list, select yes to enable automatic tape drive cleaning or no to
disable it. You can also manually request that a cleaning be performed whenever a
tape drive is not in use.
In the Clean interval (duration) field, enter a value and then select the cleaning
frequency from the adjacent list. This interval is the amount of time a tape drive is
used before a cleaning cycle is initiated. If automatic tape drive cleaning is
enabled, then this duration indicates the interval between cleaning cycles.
2.
In the Clean using emptiest field, select one of these options:
■
yes
Select this option to specify the emptiest cleaning tape, which causes cleaning
tapes to "round robin" as cleanings are required.
■
no
Select this option use the fullest cleaning tape, which causes each cleaning
tape to be used until it fills, then the next cleaning tape fills, and so on.
If there are multiple cleaning tapes in a tape library, then Oracle Secure Backup
must decide which to use. If you do not otherwise specify, then Oracle Secure
Backup chooses the cleaning tape with the fewest number of cleaning cycles
remaining.
3.
Click OK to save your changes.
See Also:
"Adding a Tape Device Attachment" on page 5-21
Note:
Not all tape drives can report that cleaning is required. For
those tape drives, you must define a cleaning interval.