Hitachi XP P9500 User Manual page 288

3. Creating an HDLM Environment
Table 3-55: 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
of
DISKTIMEOUT
DISKTIMEOUT
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 3-56: 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
For details on how to change
company with which you have a contract for Oracle Support Services.
Note that when you uninstall HDLM from the above configuration, you must
reset the values of
Therefore, make a note of the original values of
before changing them.
264
Formula for obtaining the value of MISSCOUNT
number-of-paths-connected-to-the-voting-disk
number-of-paths-connected-to-the-voting-disk
MISSCOUNT
. As with
MISSCOUNT
is determined by the type of storage system. To make the
Number of
paths
connected
to the
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
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
30 seconds
MISSCOUNT
and
MISSCOUNT DISKTIMEOUT
60 seconds
x
x 30 seconds
shown above, also change the value
, the value to be specified in
Formula for obtaining the value of
DISKTIMEOUT
.
.
and , contact the
DISKTIMEOUT
to their original values.
and
MISSCOUNT DISKTIMEOUT
x
x