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92 IBM System Storage DS6000 Series: Copy Services with IBM System z
9.6.3 Reverse existing FlashCopy
To reverse an existing FlashCopy relationship you first display the list of active FlashCopy
relationships as described in 9.6.2, “Display properties of existing FlashCopy” on page 89.
Then by checking the box at the left of the FlashCopy of your interest, the available Select
Actions for this FlashCopy relationship will be shown. If the existing FlashCopy relationship
can be reversed, it is possible to choose the Select Action, and then select
Reverse
relationship.
The next window displayed is shown in Figure 9-8. It displays those properties of the existing
FlashCopy that might be changed during the reverse process. Changing the values of the
parameters and then clicking OK
will start the reverse process for the FlashCopy.
Persistent Enabled or disabled Relationship will
remain
Yes or no
Identifies if the FlashCopy relationship can be changed by copying the contents of the target volume
to the source volume
Revertible Enabled or disabled Restorable Yes or no
Identifies if the source can be used to write on it
SourceWriteEnabled Enabled or disabled Source is write
inhibited
Yes or no
Identifies it the target can be used by another server to write on it in parallel to the FlashCopy taking
place
TargetWriteEnabled Enabled or disabled Target is write
inhibited
Yes or no
Identifies if a background copy was already done
BackgroundCopy Enabled or disabled Background copy
initiated
Yes or no
using -l parameter with DS CLI
OutOfSyncTracks A number A number
DateCreated Date Created Date
DateSynced Date Last refresh Date
Properties with DS CLI command lsflash Properties with DS SM FlashCopy property