TC pair volumes can be shared with Thin Image P-VOLs. The following tables list pair operations available for different configurations.
TC/UR pair operations when TC/UR P-VOLs are shared with HTI P-VOLs
| TC/UR pair operations | HTI pair status | ||||
|---|---|---|---|---|---|
| COPY | PAIR/PFUL | PSUS/PFUS | RCPY | PSUE | |
| Create | Yes | Yes | Yes | No | Yes |
| Split | Yes | Yes | Yes | N/A | Yes |
| Resync | Yes | Yes | Yes | No | Yes |
| Delete | Yes | Yes | Yes | Yes | Yes |
| Switch operations to the secondary storage system | Yes | Yes | Yes | No | Yes |
TC/UR pair operations when TC/UR S-VOLs are shared with HTI P-VOLs
| TC/UR pair operations | HTI pair status | ||||
|---|---|---|---|---|---|
| COPY | PAIR/PFUL | PSUS/PFUS | RCPY | PSUE | |
| Create* | No | No | No | No | No |
| Split | Yes | Yes | Yes | N/A | Yes |
| Resync | Yes | Yes | Yes | N/A | Yes |
| Delete | Yes | Yes | Yes | N/A | Yes |
| Switch operations to the secondary storage system | Yes | Yes | Yes | N/A | Yes |
* If TC/UR S-VOLs are shared with HTI P-VOLs, you need to create HTI pairs after creating TC/UR pairs. For details about the TC pair status and necessary operations, see this manual. For details about the UR pair status and necessary operations, see the Hitachi Universal Replicator User Guide. |
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HTI pair operations when TC/UR P-VOLs are shared with HTI P-VOLs
| HTI pair operations | TC/UR pair status | |||||
|---|---|---|---|---|---|---|
| COPY | PAIR | PSUS | PSUE | Suspending | Deleting | |
| Create a pair | Yes | Yes | Yes | Yes | Yes | Yes |
| Store snapshot data | Yes | Yes | Yes | Yes | Yes | Yes |
| Restore a pair | No | No | Yes | Yes | No | No |
| Delete snapshot data | Yes | Yes | Yes | Yes | Yes | Yes |
| Delete a pair | Yes | Yes | Yes | Yes | Yes | Yes |
HTI pair operations when TC/UR S-VOLs are shared with HTI P-VOLs
| HTI pair operations | TC/UR pair status | ||||||
|---|---|---|---|---|---|---|---|
| COPY | PAIR | PSUS | PSUE | SSWS | Suspending | Deleting | |
| Create a pair | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Store snapshot data | No | Yes | Yes | Yes | Yes | Yes | Yes |
| Restore a pair* | No | No | No | No | No | No | No |
| Delete snapshot data | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Delete a pair | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| * Before restoring a pair whose TC/UR S-VOL is shared with HTI P-VOL, run the horctakeover command to switch from the primary storage system to the secondary storage system. | |||||||