When the P-VOL cannot be used due to a full pool, the GAD pair is suspended.
The following table shows the transitions for pair status and I/O mode, the volumes that are accessible from the server, and the location of the latest data when you can no longer use the P-VOL due to full pool.
|
Before failure |
After failure |
|||||
|---|---|---|---|---|---|---|
|
Pair status and I/O mode |
Pair status and I/O mode |
Volume accessible from the server |
Volume with latest data |
|||
|
P-VOL |
S-VOL |
P-VOL |
S-VOL |
P-VOL |
S-VOL |
|
|
PAIR (Mirror (RL)) |
PAIR (Mirror (RL)) |
PSUE (Block) |
SSWS (Local) |
NG |
OK |
S-VOL |
|
PAIR (Mirror (RL)) |
PAIR (Block) |
PSUE (Block) |
SSWS (Local) |
NG |
OK |
S-VOL |
|
COPY (Mirror (RL)) |
COPY (Block) |
PSUE (Local) |
PSUE (Block) |
NG |
NG |
P-VOL |
|
PSUS/PSUE (Local) |
SSUS/PSUE (Block) |
PSUS/PSUE (Local) |
SSUS/PSUE (Block) |
NG |
NG |
P-VOL |
|
PSUS/PSUE (Block) |
SSWS (Local) |
PSUS/PSUE (Block) |
SSWS (Local) |
NG |
OK |
S-VOL |
SIMs
- Primary storage system: 622xxx, 62axxx, DD1xyy
- Secondary storage system: DD1xyy