Re: [suse-oracle] Best use of ASM

Hi Robert,

>>> On 6/3/2010 at 3:00 PM, Robert Suh <[email protected]> wrote:
> We are using ASM.  We are not using asmlib, since we didn't want to be tied 
> to Oracle's releases for the kernel modules.

We have removed this hurdle by including this kernel module in SLES10 SP3 & SLES11/SLES11-SP1. So, SLES kernel update wouldn't break asmlib & you don't have to ask for matching asmlib kernel module.

Thanks,
Arun 

> 
> I would highly recommend ASM.  ext3 is garbarge.  If you don't want to use 
> ASM, look at XFS or ext4.
> 
> With the 12 disks, I would create 6 RAID 1 luns (hardware RAID) and let 
> Oracle stripe across the 6 disks by creating one ASM disk group.
> 
> All of the data go into the one ASM disk group.
> 
> Rob
> 
> 
> 
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Stacy Gaddy
> Sent: Thursday, June 03, 2010 2:21 PM
> To: [email protected] 
> Subject: [suse-oracle] Best use of ASM
> 
> I am in the process of building a new server and considering using ASM. The 
> configuration is as follows:
> 
> 2 disks - RAID 1 - SLES11/Oracle 11gR2
> 12 disks on a raid controller to be used for Oracle.
> 
> Traditionally I have used RAID 10 or RAID 1 depending of type of files being 
> stored on the logical disk. Data on RAID 10, control, redo, and archive on 
> RAID 1.
> 
> How would you divide up the 12 disks between control, redo, data, and FRA? 
> Would you use hardware RAID instead of the built-in Oracle mirroring and 
> striping?
> 
> There doesn't seem to be any good documentation out there to give best 
> practices relating to using hardware RAID vs ASM redundancy.
> 
> Thanks,
> Stacy

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