Hp Hitachi Dynamic Link Manager Software Uživatelský manuál Strana 108

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3. Creating an HDLM Environment
86
In Oracle RAC 11g, for the following devices, device name should be matching
between the nodes:
voting disk
Oracle Cluster Registry
Oracle database file
system table area
users table area
ASM disk to be used for ASM disk group creation
In an environment where an HDLM raw device is used as the devices listed
above, if the HDLM raw device name does not match between the nodes, create
an alias device file of the HDLM raw device in each node by using the following
procedure and set the created alias device file in Oracle RAC 11g.
1. Check the major number and minor number of HDLM raw devices used by
Oracle RAC 11g by executing the following command in each node:
# ls -lL HDLM-raw-device-file
Execution example:
# ls -lL /dev/rdsk/c10t50060E8005271760d5s0
crw-r----- 1 root sys 307, 1608
date/time /dev/
rdsk/c10t50060E8005271760d5s0
#
In this example, the major number is 307 and the minor number is 1608.
2. Create an alias device file by executing the following command in each
node. An alias device file corresponding to one disk slice should have the
same name in all the nodes.
# mknod /dev/alias-device-file c major-number minor-number
Note:
The name of the alias device file should not be duplicated with a device file
name created under the
/dev directory by Solaris or other drivers.
Execution example:
# mknod /dev/crs_ocr1 c 307 1608
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