Re: Redo log & RAID

From: Connor McDonald <connor_mcdonald_at_yahoo.com>
Date: Fri, 30 Mar 2001 20:09:49 +0800
Message-ID: <3AC4778D.42B4@yahoo.com>

Roger Menhennett wrote:
>
> Oracle mirrors its redo logs with multiple members per redo log group,
> advisedly
> with each member on a separate disk. Question: is HW or SW mirroring a
> better alternative to Oracle's mirroring of these files?

I prefer hw mirroring - although some people would argue that in this case a redo log corruption would by definition go to all members...

If they're file system based (which I recommend strongly against) then the choice of mirroring is not going to the thing that kills performance...all the others nasties of file systems will

hth
connor

-- 
===========================================
Connor McDonald
http://www.oracledba.co.uk (mirrored at
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"Some days you're the pigeon, some days you're the statue"

Received on Fri Mar 30 2001 - 06:09:49 CST