HP XP7 Storage User Manual

Page 91

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is different for each type of storage system. Use the following table to

determine a value, and then change the current value to a value equal

to or greater than the value you have determined.

Table 3-12 Formula for Calculating DISKTIMEOUT

Storage system type

Number

of paths

connecte

d to the

voting

disk

Formula for obtaining the value

of DISKTIMEOUT

Lightning 9900V series

Hitachi USP series

Universal Storage

Platform V/VM series

Virtual Storage Platform

series

VSP G1000 series

HUS VM

3 or less

You do not need to change the value

of DISKTIMEOUT.

4 or more number-of-paths-connected-to-the-

voting-disk x 60 seconds

Hitachi

AMS2000/AMS/WMS/SMS

series

HUS100 series

Thunder 9500V series

6 or less

You do not need to change the value

of DISKTIMEOUT.

7 or more number-of-paths-connected-to-the-

voting-disk x 30 seconds

For details on how to change MISSCOUNT and DISKTIMEOUT, contact the

company with which you have an Oracle Support Services contract.
Note that when you remove HDLM from the above configuration, you

must reset the values of MISSCOUNT and DISKTIMEOUT to their original

values. Therefore, make a note of the original values of MISSCOUNT and
DISKTIMEOUT before changing them.

Configurations in which Oracle RAC is installed in Oracle Cluster File

System are not supported.

If you install HDLM while resident software (such as antivirus software) is

running, HDLM might not operate correctly. Before installing HDLM, make

sure that you have stopped all software programs, including all resident

software.

Notes on New Installations and Upgrade Installations

When installing HDLM, use only one cable to connect the host to the

storage system until instructed otherwise in the procedure in section

Performing a New Installation of HDLM on Windows Server 2003 on page

3-29

, or

Performing a New Installation of HDLM on Windows Server 2008

and Windows Server 2012 on page 3-52

. If the host is restarted while it

is connected to the storage system via multiple paths at a time other than

those indicated in the procedure in section

Performing a New Installation

of HDLM on Windows Server 2003 on page 3-29

, or

Performing a New

Creating an HDLM Environment

3-23

Hitachi Dynamic Link Manager (for Windows®) User Guide

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