Hitachi XP P9500 User Manual page 248

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 uninstall 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.
• If the Oracle command oracleasm is executed for HDLM devices, the
KAPL05023-E message might be output to syslog.
If the following message indicating the successful completion of the
oracleasm command is output after this message, there is no problem
with HDLM operation.
oracleasm:
• If you use HDLM with Oracle RAC 10g or Oracle RAC 11g and use ASMLib
of Oracle RAC 10g or Oracle RAC 11g, you must change the settings for
the ASMLib configuration file.
After installing ASMLib, do the following for each node:
a
.
3-180
Table 3-56 Formula for Calculating DISKTIMEOUT
Number of paths
Storage system
connected to the
type
• Lightning 3 or less
9900 series
• Lightning
4 or more
9900V series
• Hitachi USP
• Universal
Storage
Platform V/
VM
• Virtual
Storage
Platform
• Hitachi 6 or less
AMS2000/
AMS/WMS/
7 or more
SMS series
• Thunder
9500V series
succeeded
Execute the following command to create the ASMLib configuration
file:
• For ASMLib 2.1.0 or later:
# /usr/sbin/oracleasm configure
• For ASMLib versions earlier than 2.1.0:
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Linux(R))
Formula for obtaining the value of
voting disk
You do not need to change the value of
DISKTIMEOUT.
number-of-paths-connected-to-the-
voting-disk x 60 seconds
You do not need to change the value of
DISKTIMEOUT.
number-of-paths-connected-to-the-
voting-disk x 30 seconds
DISKTIMEOUT