Hitachi G1000 - Recovering a Full Pool for the P-VOL (Pair Status: PAIR)

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
1
P-VOL 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
SIM
• Primary system: 662XXX, DD1XYY
• Secondary system: DD1XYY
Recovery procedure
1. Increase an available pool capacity to the P-VOL.
2. Resynchronize the pair.
Related topics
• Pair condition before failure on page 6-7
Recovering a full pool for the P-VOL (pair status: PAIR)
The following figure shows the failure area and recovery when the pair
suspends due to a full pool of the P-VOL.
6-20
Disaster recovery of global-active device
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide