Veritas Volume Manager 5.1 SP1 Administrator"s Guide (5900-1506, April 2011)

# vxdmpadm getattr \
{enclosure enc-name|arrayname name|arraytype type} \
recoveryoption
The following example shows the vxdmpadm getattr command being used to
display the recoveryoption option values that are set on an enclosure.
# vxdmpadm getattr enclosure HDS9500-ALUA0 recoveryoption
ENCLR-NAME RECOVERY-OPTION DEFAULT[VAL] CURRENT[VAL]
===============================================================
HDS9500-ALUA0 Throttle Nothrottle[0] Timebound[60]
HDS9500-ALUA0 Error-Retry Fixed-Retry[5] Timebound[20]
This shows the default and current policy options and their values.
Table 4-1 summarizes the possible recovery option settings for retrying I/O after
an error.
Table 4-1
Recovery options for retrying I/O after an error
DescriptionPossible settingsRecovery option
DMP retries a failed I/O
request for the specified
number of times if I/O fails.
Fixed-Retry (retrycount)recoveryoption=fixedretry
DMP retries a failed I/O
request for the specified time
in seconds if I/O fails.
Timebound (iotimeout)recoveryoption=timebound
Table 4-2 summarizes the possible recovery option settings for throttling I/O.
Table 4-2
Recovery options for I/O throttling
DescriptionPossible settingsRecovery option
I/O throttling is not used.Nonerecoveryoption=nothrottle
DMP throttles the path if an
I/O request does not return
within the specified time in
seconds.
Timebound (iotimeout)recoveryoption=throttle
193Administering Dynamic Multi-Pathing
Administering DMP using vxdmpadm