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RE: RAC ASM Solaris 9

From: Lawie, Duncan <>
Date: Wed, 1 Mar 2006 12:03:51 -0000
Message-ID: <>


have you seen MetaLink doc 271621.1 ? It gives details on building the partitions for Solaris. I would guess that ASM doesn't much care whether you have one 50G "disk" or 50 1G "disks".  

The things you probably need to think about when deciding how to slice up the space are  


-----Original Message-----
From: []On Behalf Of Zabair Ahmed Sent: 26 February 2006 16:26
To: Kurth, Michael J.
Subject: RE: RAC ASM Solaris 9

Thks Mike,  

What am finding confusing is the following statement (from Oracle Clusterware and Oracle Real Application Clusters Installation Guide 10g Release 2 (10.2) for Solaris OS - B14205-03), page 3-13 Configuring Database File Storage on ASM and Raw Devices.  

To use ASM with raw partitions, you must creatre sufficient partitions for your data files, and then bind the partitions to raw devices.  

The question is how does the sysadmin do this when all he has is 50GB of SAN storage. I know this is more of unix question, but i can't get my head round this. We are not using any LVM.  

Also i presume you have installed your ASM instance in it's own ORACLE_HOME.  

TIA       "Kurth, Michael J." <> wrote:

My environment is EVA8000 san running HPUX, where we configured 3 disk groups.  

2 of them for staggering database files between 1 system and another, and the 3rd for backups and archived logs. In other words:  

diskgroup1 diskgroup2 diskgroup3
--------------- --------------- ---------------  

database 1 database 2 backups/arch logs database 3 database 4
database 5 database 6  

Mike Kurth
Senior Oracle DBA
Wheaton Franciscan Services, Inc.
400 West River Woods Parkway
Glendale, Wisconsin 53212
414/465-4046 Phone

-----Original Message-----
From: [] On Behalf Of Zabair Ahmed Sent: Sunday, February 26, 2006 5:17 AM
Subject: RAC ASM Solaris 9

Am trying to get my head round on how to configure the disk storage so that i can use this for my ASM RAC database.  

I've got in total 50GB on a HDS SAN (RAID5) to play with. My question is how do i configure this so that i can use the storage for my ASM disk group(s).  

Do i ask the sysadmins to create me a 50GB raw partition?  


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Received on Wed Mar 01 2006 - 06:03:51 CST

Original text of this message