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Re: RAID 5 vs RAID 10 benchmark

From: Jack <none_at_mail.com>
Date: Thu, 25 Nov 2004 11:21:25 GMT
Message-ID: <Vejpd.130$JM1.63@read3.inet.fi>

They tested ESS 800 with 16 GB cache

Test is showing that cache is working well. Next you could leave all disk away and use only big cache ;)

"Jan" <janik_at_pobox.sk> wrote in message news:81511301.0411250222.496c1242_at_posting.google.com...
> Several scientific (or logical) conclussions were already made about
> RAID 5
> that this is not the best option for write intensive databases. It
> seems very logical also to me when I read arguments against RAID 5.
>
> But I`m confused by following benchmark showing that it is not
> worthful anymore (at least for a tested storage) to thinks about RAID
> 5 vs RAID 10 from the performance point of view.
>
> http://www-1.ibm.com/servers/storage/disk/ess/pdf/raid5-raid10.pdf
>
> Jan
Received on Thu Nov 25 2004 - 05:21:25 CST

Original text of this message

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