Reverse Existing Flashcopy - IBM System storage DS6000 Series Redbook
Copy services with ibm system z
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Also See for System storage DS6000 Series:
- Redbooks (406 pages) ,
- Attachment manual (298 pages) ,
- Introduction and planning manual (119 pages)
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Properties with DS CLI command
Persistent
Identifies if the FlashCopy relationship can be changed by copying the contents of the target volume
to the source volume
Revertible
Identifies if the source can be used to write on it
SourceWriteEnabled
Identifies it the target can be used by another server to write on it in parallel to the FlashCopy taking
place
TargetWriteEnabled
Identifies if a background copy was already done
BackgroundCopy
using -l parameter with DS CLI
OutOfSyncTracks
DateCreated
DateSynced
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
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IBM System Storage DS6000 Series: Copy Services with IBM System z
lsflash
Properties with DS SM
Enabled or disabled
Relationship will
remain
Enabled or disabled
Restorable
Enabled or disabled
Source is write
inhibited
Enabled or disabled
Target is write
inhibited
Enabled or disabled
Background copy
initiated
A number
Date
Created
Date
Last refresh
FlashCopy property
Yes or no
Yes or no
Yes or no
Yes or no
Yes or no
A number
Date
Date
.
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