HP XP P9500 Storage - Manual (Page 89)

Storage system type
Formula for obtaining the value of
MISSCOUNT
• Universal Storage
Platform V/VM series
• Virtual Storage Platform
series
• HUS VM
• Hitachi AMS2000/AMS/
WMS/SMS series
• HUS100 series
• Thunder 9500V series
number-of-paths-connected-to-the-voting-disk
x 30 seconds
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 3-13 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
For details on how to change MISSCOUNT and DISKTIMEOUT, contact the
company with which you have a contract for Oracle Support Services.
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.
• In Oracle RAC 10g, for the following devices, device name should be
matching between the nodes:
Creating an HDLM Environment
3-23
Hitachi Dynamic Link Manager User Guide for Solaris ®