Hitachi G1000 - Pair Condition and Recovery: Full Pool for the S-VOL

NEVER , 100 4444 - - 0 - - - - L/M
oraHA dev1(R) (CL1-C-0, 0, 0)322222 4444.P-VOL PAIR
NEVER , 100 2222 - - 0 - - - - L/M
pairdisplay -g oraHA -fxce -IH1
Group PairVol(L/R) (Port#,TID, LU),Seq#,LDEV#.P/S,Status,
Fence, %,P-LDEV# M CTG JID AP EM E-Seq# E-LDEV# R/W
oraHA dev1(L) (CL1-C-0, 0, 0)322222 4444.P-VOL PAIR
NEVER , 100 2222 - - 0 - - - - L/M
oraHA dev1(R) (CL1-A-0, 0, 0)311111 2222.S-VOL PAIR
NEVER , 100 4444 - - 0 - - - - L/M
3. Using the alternate path software, resume I/Os to the S-VOL that was a
P-VOL before the failure (I/O might resume automatically).
4. Reverse the P-VOL and the S-VOL if necessary.
Related topics
• I/O modes on page 1-12
•
Failure locations on page 6-3
• SIMs related to GAD on page 6-6
• Reversing the P-VOL and S-VOL on page 6-51
Pair condition and recovery: full pool for the S-VOL
Due to a full pool of the S-VOL, a failure that is a GAD pair suspended occurs.
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 S-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
1
P-VOL S-VOL
PAIR (Mirror
(RL))
PAIR (Mirror
(RL))
PSUE (Local) PSUE
(Block)
OK NG P-VOL
COPY
(Mirror
(RL))
COPY
(Block)
PSUE (Local) PSUE
(Block)
OK NG P-VOL
PSUS/PSUE
(Local)
SSUS/PSUE
(Block)
PSUS/PSUE
(Local)
SSUS/PSUE
(Block)
OK NG P-VOL
PSUS/PSUE
(Block)
SSWS
(Local)
PSUS/PSUE
(Block)
SSWS
(Local)
NG NG S-VOL
SIM
• Primary system: DD1XYY
6-22
Disaster recovery of global-active device
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide