Hitachi Dynamic Link Manager Software Users Guide for Windows

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 9900V series
• Hitachi USP series
• Universal Storage
Platform V/VM series
• Virtual Storage Platform
series
• VSP G1000 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 an Oracle Support Services contract.
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.
• Configurations in which Oracle RAC is installed in Oracle Cluster File
System are not supported.
• If you install HDLM while resident software (such as antivirus software) is
running, HDLM might not operate correctly. Before installing HDLM, make
sure that you have stopped all software programs, including all resident
software.
Notes on New Installations and Upgrade Installations
• When installing HDLM, use only one cable to connect the host to the
storage system until instructed otherwise in the procedure in section
Performing a New Installation of HDLM on Windows Server 2003 on page
3-29, or Performing a New Installation of HDLM on Windows Server 2008
and Windows Server 2012 on page 3-52. If the host is restarted while it
is connected to the storage system via multiple paths at a time other than
those indicated in the procedure in section
Performing a New Installation
of HDLM on Windows Server 2003 on page 3-29, or Performing a New
Creating an HDLM Environment
3-23
Hitachi Dynamic Link Manager (for Windows®) User Guide