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Setting the reservation policy, Setting the reservation policy -92 – HP XP P9500 Storage User Manual

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Communications Applications and Services, HACMP for AIX,

Extended Configuration, Extended Resource Configuration, HACMP

Extended Resource Configuration, Configure Custom Disk

Methods, and finally choose Add Custom Disk Methods.

2

.

In the Add Custom Disk Methods window, specify the items as shown

below:
The items to be set and setting contents are shown below:
Disk Type (PdDvLn field from CuDv)

¢

When a XP series is used:
disk/fcp/HP

¢

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,

HUS100 series, or HUS VM is used:
disk/fcp/Hitachi

Method to identify ghost disks

SCSI3

Method to determine if a reserve is held

/usr/DynamicLinkManager/cluster/
dlm_hacmp_gdisk_reserve_check

Method to break a reserve

TARGET

Break reserves in parallel

false

Method to make the disk available

MKDEV

3

.

When you finish specifying the settings, click the OK button.

4

.

From the SMIT window, display the Single Select List window.
Choose the following sequence of menu items to display this window:
Communications Applications and Services, HACMP for AIX,

Extended Configuration, and finally choose Extended Verification

and Synchronization.

Setting the Reservation Policy

If you use PowerHA 7.1, set the reserve_policy attribute to no_reserve. If

you use a version of PowerHA other than PowerHA 7.1, we recommend that

you set the reserve_policy attribute to PR_exclusive. Note that if a virtual

I/O function is applied in order to use PowerHA in a client partition, use the

following procedure to check, in the virtual I/O server partition, the settings

for the reserve_policy attribute of the hdisk. If reserve_policy is set to
PR_exclusive, change its value to no_reserve.

3-92

Creating an HDLM Environment

Hitachi Dynamic Link Manager User Guide for AIX

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