HP XP Racks - Manual (Page 31)

Access
to
Description VOL Access Pair Status
S-VOL P-VOL S-VOL P-VOL S-VOL -PVOL
Not accessible Not
accessible After the status of the S-VOL was
forcibly changed to SSWS, you ran Blank Blank status)”
(page 32)
the pairsplit-RB command to
Not accessible Not
accessible Access (Lock) Blank
rollback. After a rollback, do not
access the P-VOL or S-VOL until
resynchronization is finished. Data on
P-VOL might be old.
Read/write Not
accessible The ESAM pair is not synchronized
because a failover has occurred. The
data on S-VOL is the latest. Access (Lock) Blank
SSWS
Read/Write Not
accessible The user has performed a swap and
suspend operation (pairsplit-RS). Data
on S-VOL may be old. Blank Blank
Read/Write Read/Write After the user performed a suspend
operation (pairsplit -r), the user Blank Access
(Lock)
performed swap and suspend
operations (pairsplit-RS). Data on
S-VOL may be old.
Read/Write Read/Write The user has released the pair from
RCU (pairsplit -S). This ESAM pair is
not synchronized. Blank Access
(Lock)
SMPL
Not accessible Read/Write This ESAM pair is not synchronized
because the MCU suspended the Blank Access (No
Lock)
PSUE PSUE
(see
ESAM pair with an error. Data in the
P-VOL is up to date.
Blank Access
(Lock)
PAIR
“Suspend
types (PSUE
status)”
(page 32)
Read/Write Read/Write After the pair was suspended by a
failure, the user performed the Blank Access (No
Lock)
SSWS
swapping and suspending command
Blank Access
(Lock) (pairsplit -RS). If the pair status
of the S-VOL is SSWS, the S-VOL is
accessible. Data on the S-VOL might
be old.
Not accessible Not
accessible After the ESAM pair was suspended
due to an error, the user performed Blank Access (No
Lock)
PSUS
the swapping and suspending
Blank Access
(Lock)
operation (pairsplit-RS) and performed
the rollback operation (pairsplit -RB).
After the rollback, do not access either
the P-VOL or the S-VOL until the resync
operation is finished. The data on the
P-VOL might be old.
Read Only (Not
accessible in Read/write The ESAM pair consists of LUSE
volumes. The status of the pair is Blank Access
(Lock)
PDUB PDUB
case of COPY or
PSUE) COPY or PAIR. The status of at least
one LUSE volumes is SMPL or PSUE.
* If an S-VOL in PAIR status accepts write I/O, the storage system assumes that a failover occurred. Then the S-VOL changes to
SSWS status and the P-VOL usually changes to the PSUS status.
Pair status values 31