HP XP P9500 Storage User Manual

Page 90

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current value to a value equal to or greater than the value you have

determined.

Table 3-11 Formula for Calculating MISSCOUNT

Storage system type

Formula for obtaining the value of

MISSCOUNT

Lightning 9900V series

Lightning 9900 series

Hitachi USP series

Universal Storage

Platform V/VM series

Virtual Storage Platform

series

HUS VM

number-of-paths-connected-to-the-voting-disk

x 60 seconds

Hitachi AMS2000/AMS/

WMS/SMS series

HUS100 series

Thunder 9500V series

number-of-paths-connected-to-the-voting-disk

x 30 seconds

¢

When using Oracle RAC 10g 10.2.0.2.0 or later or Oracle RAC 11g:
In addition to the value of MISSCOUNT shown above, also change the

value of DISKTIMEOUT. As with MISSCOUNT, the value of DISKTIMEOUT

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 9900 series

Lightning 9900V series

Hitachi USP series

Universal Storage

Platform V/VM series

Virtual Storage Platform

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

3-22

Creating an HDLM Environment

Hitachi Dynamic Link Manager User Guide for Windows

®

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