Re: raw vs. file - any numbers

From: Jerry Gitomer <jgitomer_at_hbsrx.com>
Date: Thu, 29 Apr 1999 09:55:04 -0400
Message-ID: <7g9o6t$krr$1@autumn.news.rcn.net>

Hi John,

I have seen (damned if I remember where) a report that stated for IBM Logical Volume Management on SSAs the performance difference ranges from 2% to 5%. My conclusion was that it doesn't pay to use RAW unless you want to run Parallel Server (in which case you must use RAW).

regards

Jerry Gitomer

johnbishop_at_atl.mediaone.net wrote in message <7g73a3$2no$1_at_nnrp1.dejanews.com>...
>Does anyone have any numbers that they can share regarding the perfomance
>increases of raw vs file. I've found that on EMC and other disk farms, raw
>makes no difference.
>
>However, now I'm working on IBM SSA devices. I want to know if the
difference
>is significant without spending a lot of time measuring, calculating,
>formatting numbers...
>
>Thanks,
>
>JB
>
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Received on Thu Apr 29 1999 - 08:55:04 CDT