HP XP Racks - Manual (Page 101)

25
.
Execute the chdev command, as required, to change the attributes of the
hdisk:
# chdev -l hdisk-name -a queue_depth=8 -a rw_timeout=60
26
.
Execute one of the following commands, as required, to add /usr/
DynamicLinkManager/bin to the PATH environment variable.
When using a Bourne shell or Korn shell:
# PATH=$PATH:/usr/DynamicLinkManager/bin
# export PATH
When using a C shell:
# set path=( $path /usr/DynamicLinkManager/bin )
To simplify command execution, you can temporarily add the PATH
environment variable. To execute HDLM commands or the HDLM utility
without setting the PATH environment variable, specify an absolute path
to execute the commands.
27
.
Make sure that hdisks are available:
# lsdev -Cc disk
hdisk0 Available 1S-08-00-8,0 16 Bit LVD SCSI Disk Drive
hdisk1 Available 1S-08-00-9,0 16 Bit LVD SCSI Disk Drive
hdisk2 Available 1S-08-00-10,0 16 Bit LVD SCSI Disk Drive
hdisk3 Available 1H-08-02 Hitachi Disk Array (Fibre)
hdisk4 Available 1H-08-02 Hitachi Disk Array (Fibre)
...
Make sure that the status of all displayed hdisks is Available.
hdisks 0 to 2 are the physical device file names for the host's internal
disks.
hdisk 3 and the following are the logical device file names that correspond
to physical volumes in the storage system.
After executing the lspv command, if there is no hdisk other than the one
that constitutes rootvg, re-execute the procedure starting from step 14.
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.
Execute the dlnkmgr command's view operation to check the status of
each program:
# /usr/DynamicLinkManager/bin/dlnkmgr view -sys
HDLM Version : x.x.x-xx
Service Pack Version :
Load Balance : on(extended lio)
Support Cluster :
Elog Level : 3
Elog File Size (KB) : 9900
Number Of Elog Files : 2
Trace Level : 0
Trace File Size(KB) : 1000
Number Of Trace Files : 4
Path Health Checking : on(30)
Auto Failback : on(60)
Intermittent Error Monitor : off
Dynamic I/O Path Control : off(10)
HDLM Manager Ver WakeupTime
Creating an HDLM Environment
3-35
Hitachi Dynamic Link Manager (for AIX) User Guide