You can share Thin Image (HTI) P-VOLs with TrueCopy (TC) and Universal Replicator (UR) pair volumes.
The following tables list the relationship between pair tasks and status.
The following table lists the Thin Image tasks you can perform when the P-VOL is shared with a TrueCopy or Universal Replicator P-VOL.
|
HTI task |
TC/UR status |
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|---|---|---|---|---|---|---|
|
COPY |
PAIR |
PSUS |
PSUE |
Suspending |
Deleting |
|
|
Create pair |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Store snapshot data |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Restore pair |
No |
No |
Yes |
Yes |
No |
No |
|
Delete snapshot data |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Delete pair |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
The following table lists the Thin Image tasks you can perform when the P-VOL is shared with a TrueCopy or Universal Replicator S-VOL.
|
HTI task |
TC/UR status |
||||||
|---|---|---|---|---|---|---|---|
|
COPY |
PAIR |
PSUS |
PSUE |
SSWS |
Suspending |
Deleting |
|
|
Create pair |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Store snapshot data |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Restore pair* |
No |
No |
No |
No |
No |
No |
No |
|
Delete snapshot data |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Delete pair |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
*When restoring an HTI pair and you are using the P-VOL as a TC or UR S-VOL, switch tasks to the remote storage system using the horctakeover command. |
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The following table lists the TrueCopy/Universal Replicator tasks you can perform when the Thin Image P-VOL is shared with a TrueCopy or Universal Replicator P-VOL.
|
TC/UR task |
HTI status |
||||
|---|---|---|---|---|---|
|
COPY |
PAIR, PFUL |
PSUS, PFUS |
RCPY |
PSUE |
|
|
Create pair |
Yes |
Yes |
Yes |
No |
Yes |
|
Split pair |
Yes |
Yes |
Yes |
N/A |
Yes |
|
Resynchronize pair |
Yes |
Yes |
Yes |
No |
Yes |
|
Delete pair |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Switch to remote storage |
Yes |
Yes |
Yes |
No |
Yes |
The following table lists the TrueCopy/Universal Replicator tasks you can perform when the Thin Image P-VOL is shared with a TrueCopy or Universal Replicator S-VOL.
|
TC/UR task |
HTI status |
||||
|---|---|---|---|---|---|
|
COPY |
PAIR, PFUL |
PSUS, PFUS |
RCPY |
PSUE |
|
|
Create pair |
No |
No |
No |
No |
No |
|
Split pair |
Yes |
Yes |
Yes |
N/A |
Yes |
|
Resynchronize pair |
Yes |
Yes |
Yes |
N/A |
Yes |
|
Delete pair |
Yes |
Yes |
Yes |
N/A |
Yes |
|
Switch to remote storage |
Yes |
Yes |
Yes |
N/A |
Yes |
|
*Use a TC/UR S-VOL as an HTI P-VOL. |
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