Options
Item Description
Primary Volume Fence
Level
TC only
Whether the P-VOL can be written to when the pair is split
due to error.
• Data: Cannot be written to.
• Status: Can be written to only if the primary system
can change S-VOL status to PSUE; otherwise no.
• Never: Can be written to. The default.
Initial Copy Type Whether data is copied to the S-VOL during this operation.
• Entire Volume: Data is copied. The default.
• None: Data is not copied.
• Delta: Data is not copied. UR only.
Copy Pace TC and GAD only
Number of tracks to be copied per remote I/O during the
operation. The default is 15. To change the copy pace,
enter a number from 1 to 4:
• 1 is slow. This setting limits the impact on host I/O to
maintain storage system performance.
• 2 and 3 is medium.
• 4 is fast. This setting increases the impact on host I/O
and might result in decreased storage system
performance.
If you enter a number from 5 to 15, the speed of 4 (fast
copy pace) is used.
Initial Copy Priority Scheduling order for the initial copy operation. Range is 1 to
256; default is 32.
For GAD pairs, this is not displayed.
Error Level UR only.
Whether to split all pairs in the mirror if a failure occurs
during this operation:
• Mirror: Pairs in the mirror are split.
• LU: Only the failed pair is split.
Selected Pairs table
Item Description
Local Storage System Information about volumes in the accessed system.
• LDEV ID: LDEV identifier.
• LDEV Name: LDEV name.
• Port ID: Port identifier.
• Host Group Name / iSCSI Target Alias: Host group
name or iSCSI target alias.
• iSCSI Target Name: Volume's iSCSI target name.
TC GUI reference
B-47
Hitachi TrueCopy® User Guide for Hitachi Virtual Storage Platform Gx00 and Fx00 Models
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