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Re: RAID stride size (stripe) and Oracle block size

From: Neil Greene replace dev.null with laoc.SHL.com <ngreene_at_dev.null>
Date: 1997/08/03
Message-ID: <MPG.e4e65d0ad9b29259896af@news.internetmci.com>#1/1

Eugene Gardner wrote....
> > On our new RAIDs the stride size (stripe) is 64 KB. What PROVEN
> > recommendations would you have about what to set the Oracle blocksize to
> > in relation to the stride size.
> Shouldn't you get the optimum Oracle block size from the average
> amount of data which the server is asked for. Then use that to set
> your stripe (chunk) size.

You want your OBS to be a multiple of your OS block size. Pros and cons of which block size to use removed.

Now, you want your DB_FILE_MULTIBLOCK_READ_COUNT to be an even multiple of your stripe size. --- Neil

-- 
Neil Greene			Senior System Engineer / Oracle DBA	
MCI Systemhouse, Inc. 		

Email:		<mailto:ngreene_at_laoc.SHL.com>			
Pager Email:	4112636_at_PageMCI.com		Pager:	800-411-2636


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Received on Sun Aug 03 1997 - 00:00:00 CDT

Original text of this message

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