Hitachi XP P9500 User Manual page 86

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When using Oracle RAC 10g version 10.2.0.2.0 or later (when Sun
Cluster or Storage Foundation for Oracle RAC is used):
Change the value of MISSCOUNT to match the type of storage system.
To do so, use the following table to obtain the value to be specified,
and then change the current value to a value equal to or greater than
the value you have obtained.
Table 3-10 Formula for Calculating MISSCOUNT
Storage system type
• Lightning 9900 series
• Lightning 9900V series
• Hitachi USP
• Universal Storage
Platform V/VM
• Virtual Storage Platform
• Hitachi AMS2000/AMS/
WMS/SMS series
• Thunder 9500V series
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 to be specified in
DISKTIMEOUT is determined by the type of storage system. To make
the change, use the following table to obtain the value to be specified,
and then change the current value to a value equal to or greater than
the value you have obtained.
Table 3-11 Formula for Calculating DISKTIMEOUT
Storage system type
• Lightning 9900 series
• Lightning 9900V series
• Hitachi USP
• Universal Storage
Platform V/VM
• Virtual Storage Platform
• Hitachi AMS2000/AMS/
WMS/SMS series
• Thunder 9500V series
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Solaris(R))
Formula for obtaining the value of
MISSCOUNT
number-of-paths-connected-to-the-voting-disk
x 60 seconds
number-of-paths-connected-to-the-voting-disk
x 30 seconds
Number
of paths
connecte Formula for obtaining the value of
d to the DISKTIMEOUT
voting
disk
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
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