HP XP Racks - Manual (Page 152)

# umount file-system-mount-point
4
.
Execute the following command to display all the activated volume
groups.
# lsvg -o
5
.
Among the displayed volume groups, inactivate the volume groups used
by HDLM.
# varyoffvg volume-group-name
6
.
Execute the chdev command to change the reserve_policy attribute to
no_reserve.
# chdev -l hdisk-name -a reserve_policy=no_reserve
7
.
Confirm that the setting was changed to no_reserve.
# lsattr -El hdisk-name -a reserve_policy
reserve_policy no_reserve N/A TRUE
Settings for Using GPFS
To use GPFS or GPFS+RVSD, carry out the following procedure before
starting GPFS or GPFS+RVSD:
1
.
To use GPFS+RVSD, add the following lines to the last line in the /etc/
vsd/oemdisktypes.lst file:
¢
When a XP series is used
disk/fcp/HP fscsi disk/fcp
¢
When a Thunder 9500V series, Lightning 9900V series (excluding XP
series), Hitachi USP series (excluding XP series), Universal Storage
Platform V/VM series (excluding XP20000 and XP24000), Hitachi
Virtual Storage Platform, Hitachi AMS2000/AMS/WMS/SMS series, or
HUS100 series is used
disk/fcp/Hitachi fscsi disk/fcp
2
.
When GPFS or GPFS+RVSD is used, in the dlmodmset utility for setting
the HDLM execution environment ODM, set the LUN RESET option to on.
# /usr/DynamicLinkManager/bin/dlmodmset -r on
Settings for Using Oracle RAC 10g or Oracle RAC 11g
Settings for MISSCOUNT and DISKTIMEOUT
When a host and an Oracle RAC voting disk are connected by multiple paths,
HDLM performs failover processing for those paths (in the same way as for
normal paths) when an I/O timeout occurs for one of the paths.
3-90
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide for AIX®