HP P9000 Business Continuity Manager User Guide
◦ Internal storage system failure
◦ Line failure
#
PSOFF refers to when a storage system is turned off, whereas severed power refers to when the
supply of electricity to the storage system is cut off, such as during a power outage.
Recovering from Failures during Failovers and PSOFF/Cut Power
Table 105 (page 571) lists the procedures for recovering from failures for each failure type.
Table 105 Procedures for Recovering from Each Failure Type
Recovery
Procedures
Cause of FailureCopy Pair Status after a FailureFailure Type
S-VOLP-VOLSpecificGeneral
Execute
YKRESYNC twice
Transmission
failure on the line
between the
storage systems.
SWAPPINGDUPLEX or
PENDING
Failure after
YKSUSPND
processing with
REVERSE
specified.
Failure during a
failover
with REVERSE
DEVN specified
(the first time an
error will occur,
but normal
termination is
performed the
second time).
SWAPPINGSUSPERFailure after
YKRESYNC
• Remove the
problem
preventing the
• The size of the
P-VOL is
greater than
processing with
copy directionthat of the
S-VOL.
REVERSE
specified.
from being
reversed.
• A limitation
exists with • Execute
YKRESYNC withanother
program
REVERSE
product with
DEVN
which the
VOLUNIT
volume is
shared
specified, for
the volume in
the SWAPPING
• An old P-VOL is
online.
status for the
copy pair for
• Other
which the copy
direction could
not be
reversed.
Execute
YKRESYNC with
A transmission
failure occurred
when the status
SWAPPINGSUSPER
REVERSE DEVN
was reversed for a
specified, for the
copy pair for
volume in the
which the copy
SWAPPING status
direction cannot
be reversed.
for the copy pair
for which the copy
direction could not
be reversed.
To perform
operations from a
PSOFF for the
primary DKC.
Same as the pair
status during
failure
PSOFF
(if the status of the
S-VOL after being
PSOFF for the
primary DKC.
PSOFF or cut
power
secondary DKC
without waiting for
(after the DKC is
turned on, the
turned on is
SUSPCU/
recovery of the
primary DKC,
status will changeSUSPER/
Recovering from a Failure 571