HP XP P9000 Auto LUN Software - Manual (Page 38)

Migration History messages
The following table contains the messages that appear in Migration History logs.
Table 21 Migration history log messages
Description Message
The migration operation started. Migration Started
The migration operation completed successfully. Migration Completed
The migration operation was canceled by the user. Migration Canceled by User
The migration operation failed. Migration Failed
The migration operation was canceled by Auto LUN (e.g., volume
usage rate exceeded specified maximum). Migration Canceled by Controller
*
Because each program product started processing, the migration
operation was canceled by Auto LUN. Migration Canceled by Business Copy/Snapshot
Migration Canceled by Continuous Access
Migration Canceled by Continuous Access Journal
Migration Canceled by Compatible XRC
Migration Canceled by Concurrent Copy
* This message may be displayed when the other program products start processing.
Copy Threshold option
The Copy Threshold option can be configured to temporarily stop Auto LUN operations when
activity on the storage system becomes heavy. The use of this option is not recommended for hosts
that frequently update volumes which are likely to be migrated because of the increased possibility
of failure during migration.
For information about setting the Copy Threshold option, call HP Technical Support.
The Copy Threshold option also stops migration operations associated with the following products:
•
Business Copy
•
Business Copy Z
•
Compatible FlashCopy
•
Fast Snap
•
Snapshot
NOTE: Copy operations that are stopped by the Copy Threshold option will resume once the
load on the storage system becomes light.
Effects of Auto LUN on other program products
When differential data is being copied, longer copying time can be expected for the following
program products:
•
Auto LUN
•
Business Copy
•
Business Copy Z
•
Compatible FlashCopy
The following table shows the amount of additional copy time expected for the affected program
products. The increase in copy time may be as much as doubled and depends on the number of
pairs set to the program product.
38 Auto LUN monitoring