Further adventures in RAC - Part 2
- From: "William Wagman" <wjwagman@xxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 4 Apr 2007 16:27:46 -0700
Greetings,
I am attempting to install Oracle and create the ASM instance and am
using oracleasm to configure the disks. I am installing Oracle
10.2.0.1.0 Enterprise Edition on RHEL3. The disks look like this...
[root@banacek init.d]# cat /etc/sysconfig/rawdevices
# raw device bindings
# format: <rawdev> <major> <minor>
# <rawdev> <blockdev>
# example: /dev/raw/raw1 /dev/sda1
# /dev/raw/raw2 8 5
/dev/raw/raw1 /dev/emcpowera1
/dev/raw/raw2 /dev/emcpowera2
/dev/raw/raw3 /dev/emcpowera3
/dev/raw/raw4 /dev/emcpowerb1
[root@banacek init.d]# raw -qa
/dev/raw/raw1: bound to major 232, minor 1
/dev/raw/raw2: bound to major 232, minor 2
/dev/raw/raw3: bound to major 232, minor 3
/dev/raw/raw4: bound to major 232, minor 17
I configured them using oracleasm as follows
./oracleasm createdisk VOL1 /dev/emcpowera3
./oracleasm createdisk VOL2 /dev/emcpowerb1
And both disks show up on each node...
[root@banacek init.d]# ./oracleasm listdisks
VOL1
VOL2
[root@banacek init.d]# ./oracleasm querydisk VOL1
Disk "VOL1" is a valid ASM disk on device [232, 3]
[root@banacek init.d]# ./oracleasm querydisk VOL2
Disk "VOL2" is a valid ASM disk on device [232, 17]
Now when I am installing and creating the asm instance, I get to the
Configure Automatic Storage Management as candidate disks it shows the
following...
ORCL:VOL1
/dev/raw/raw3
I chose both. It did create the asm instance but generated some errors
so I'm trying to start again. The question I have is...
How does the installer choose the candidate disks and why did it list
the one in two different formats and not list the other at all? Any
ideas are greatly appreciated.
Thanks.
Bill Wagman
Univ. of California at Davis
IET Campus Data Center
wjwagman@xxxxxxxxxxx
(530) 754-6208
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