Thanks to all that responded.
The easiest way to create raw devices on a RAID controller is to make a
bunch of logical disks per disk and create the appropriate sized raw
partitions on the new luns (to get around 8 partitions per disk max).
Then create a symbolic link to the raw partition using the /dev/rdisk/dsk8a
or whatever device partition you are using. Make sure to use rdisk so that
you get character mode access to the drive. This was documented in the
Oracle Administrators Reference as using /dev/rdrd/drd10. Which is why I
started looking for ways to create drd disks.
chown oracle:dba /dev/rdisk/dsk8a
chmod 600 /dev/rdisk/dsk8a
ln -s /dev/rdisk/dsk8a /u02/oradata/sid/system01.dbf
(Setup the symbolic link on each node of the cluster.)
You will need to create the ASCII mapping file and set the DBCA_RAW_CONFIG
variable to point to that file per the installation guide.
With regard to using AdvFS for OPS, I have requested a back port of the
direct I/O patch from Oracle for 8.1.6 and hope that 8.1.7 is
out in the next couple of weeks. This option is only available for Tru64
5.1 ( not 5.0a)
Thanks again,
Bob
bob.safran_at_esca.com
-----Original Message-----
From: Bob Safran [SMTP:bob.safran_at_esca.com]
Sent: Monday, October 23, 2000 10:15 AM
To: 'tru64-unix-managers_at_ornl.gov'
Subject: Oracle 8.1.6 OPS disk setup
I'm new to Tru64 clusters and have been trying to find documentation on
setting up the drd disks. It looks like I need to create lsm disks, but
can't find any documentation on how to create the drd's.
I'm running 5.0a and installed patch 1.
Oracle note 62343.1 talks about being able to use ADVFS for the Oracle
datafiles and that you no longer need raw devices. Has anyone gotten this
to work?
I've checked the Oracle install and admin guides, Oracle release notes and
this lists archive for any information that describes in detail how to
create drd's.
I would appreciate it if someone could list the subsets, licenses and
commands to create drd's and would be even happier if someone had
successfully used ADVFS for the OPS datafiles.
TIA,
Bob Safran
ALSTOM ESCA Corp.
425.739.3228
bob.safran_at_esca.com
Received on Mon Oct 23 2000 - 22:24:08 NZDT