Hp Hitachi Dynamic Link Manager Software Bedienungsanleitung Seite 99

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3. Creating an HDLM Environment
77
Change the value of MISSCOUNT to the following value or greater:
(number-of-paths-connected-to-the-voting-disk
x 60 seconds).
If four or more paths are connected to a voting disk, change
DISKTIMEOUT,
which is the I/O timeout threshold value for a voting disk, to the following
value or greater: (number-of-paths-connected-to-the-voting-disk
x 60
seconds).
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
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.
Storage system type Formula for obtaining the value of MISSCOUNT
Lightning 9900 series
Lightning 9900V series
Hitachi USP
Universal Storage Platform V/VM
Virtual Storage Platform
number-of-paths-connected-to-the-voting-disk
x 60 seconds
Hitachi AMS2000/AMS/WMS/SMS
series
Thunder 9500V series
number-of-paths-connected-to-the-voting-disk
x 30 seconds
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