Settings For Using Powerha; Storage System Settings; Setting Up A Thunder 9500V Series Device - Hitachi XP P9500 User Manual

Setting
PR_exclusive
About changing the reservation policy
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Settings for Using PowerHA

To use PowerHA, install HDLM on all hosts comprising the cluster, configure
the hdisks, set up the storage system (if using Thunder 9500V series, or
Hitachi AMS/WMS series devices), and register the HDLM script for PowerHA.
Also, set up the same reservation policy in all of the hdisks that are shared by
multiple hosts in the cluster.

Storage System Settings

Setting Up a Thunder 9500V Series Device

To use a Thunder 9500V series device as the storage system, perform the
setup shown in
on page
see the manual for Thunder 9500V series.
Logical Unit Reset propagation mode in Host connection mode 2
(set to the host group to be used)
• In an Oracle RAC environment, the hdisk for an HDLM-managed
device is specified as a disk used by Oracle RAC
• PowerHA 7.1 is used
Replaces a reservation with a persistent reservation.
You should check that the hdisk is not being accessed by any other
programs before you attempt to change the reservation policy.
When you change the reservation policy, the I/O count and error
count are cleared.
The status of the paths is changed to Online.
Make sure that there are no path errors before you change the
reservation policy.
If the reservation policy is changed while there is an error in a path,
the erroneous path is deleted.
To recover from this status, resolve the error and then execute one of
the following commands:
mkdev -l hdisk-name
cfgmgr
Table 3-22 Thunder 9500V Series Settings for Using PowerHA
3-85. For details about setting up a Thunder 9500V series device,
Table 3-22 Thunder 9500V Series Settings for Using PowerHA
Item
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for AIX(R))
Description
ON
Setting
3-85