Re: DISK configuration - help please.

Get rid of RAID 5.

Lyall

At 06:46 AM 8/17/00 -0800, you wrote:

>I am in the process of building two DB servers - one live and the other
>standby. We are not overly concerned with disk capacity - but rather with
>speed of access.
>
>Our current configuration is
>
>primary has 10 disks in RAID 0+1
>standby has 6 disks in RAID 5
>
>This is to give us 5 physical devices for production - I think a holdover of
>OFA guidelines.
>
>What I am looking for is a bit of advice on the best optin for current
>configurations. I can add disks to this later. I am also using Veritas VM
>and FS and so can relayout my RAID 5 to RAID 0+1 pretty easily as well.
>Adding disks to the system is also a breaze.
>
>All of these disks are in one FS mounted to /u01 .. .for easy management on
>our site we elected one mount point and one very expandable FS.
>
>I am considering breaking my configuration and going with 8 disks in 0+1 for
>both systems - or going with 10 and 6 but both in 0+1 - I don't think that
>RAID 5 is a good idea ever - even for a standby system, but there is some
>pressure to have 5 physical devices and RAID 5 with 6 gives us that too...
>
>
>Anybody out there willing to throw two cents my way?
>
>
>thanks!
>
>adam
>--
>Author: Adam Turner
> INET: ATurner_at_concretemedia.com
>
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Received on Thu Aug 17 2000 - 12:09:12 CDT