Chapter 9 ā Configuring and Using Media Lifecycle Management Using PostScan
December 2019 User GuideāSpectra T200, T380, and T680 Libraries
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Background
Operations
To protect you from making changes that could negatively impact the library's
operation, the BlueScale software automatically prevents you from performing
certain operations while either a FullScan or a QuickScan that uses Global Spare
drives is running. However, you can pause the FullScan or QuickScan
operation if you cannot wait for it to complete. See Background Operations on
page 273 for detailed information.
Storage
Management
Software
Configuration
When using automatic PostScan to check your cartridges, configure your
storage management software to allow at least 15 minutes for a requested move
to complete. If a cartridge is in the process of being scanned when it is
requested for a backup or restore operation, it must be unloaded from the
Global spare and moved to another drive before the move request is reported as
complete.
Global Spare Drives Both FullScan and QuickScan using Global Spare require a Global Spare drive.
Although a Global Spare drive can be shared by multiple partitions, assigning a
separate Global Spare drive to each partition is recommended. Each partition
can then perform PostScan whenever the prerequisites are met, without waiting
for PostScan in another partition to complete.
Blackout Periods Because the storage management software can potentially request a tape that is
currently undergoing verification, you can configure blackout periods during
which the PostScan operation is suspended. Configuring blackout periods
ensures that PostScan does not operate during your normal backup window.
The blackout periods apply to all of the storage partitions in the library. See
Configure PostScan Blackout Periods on page 281 for instructions.
Cleaning Partitions The PostScan feature cannot be enabled for a cleaning partition and does not
affect cleaning tapes.
Consideration Description
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