Background copy processing

Provisioning Guide for VSP One Block

Version
10.2.x
Audience
anonymous
Part Number
MK-23VSP1B012-00

The following table shows the background copy processing that is stopped or slowed down by enabling the copy threshold option when the WP rate of the copy target is 35% or higher.

Program product Background copy processing
SI
  • Pair creation
  • Pair creation (Steady Split, Quick Split)
  • Steady Split
  • Quick Split, Normal Resync, Reverse Copy (a pair with 100% synchronization rate is not subject to copy suppression)
HTI Advanced Pair split, pair restore, pair resynchronization, pair deletion, S-VOL assignment, S-VOL assignment release, S-VOL assignment change
VM Pair creation
TC
  • Background processing such as copy operation in TrueCopy
  • Initial copy operation
  • Pair creation, Pair resynchronization, Swap resync operation
  • Horctakeover operation (swap resync operation performed during the horctakeover operation)
UR
  • Copy or restore operation performed on the background
  • Initial copy operation, Update copy operation
  • Journal copy operation (initial copy and update copy)
  • Restore journal operation
  • Issuing the read-journal command to the primary storage system
  • Data copy operation from a master journal to a restore journal
  • Restore journal data copy operation to an S-VOL
  • Pair creation, Pair resynchronization, Swap resync operation, Delta resync operation
  • Horctakeover operation (swap resync operation performed during the horctakeover operation)
GAD
  • Initial copy operation
  • Pair creation, Pair resynchronization, Swap resync operation
  • Horctakeover operation (swap resync operation performed during the horctakeover operation)