Re: [SLE] is Raid 1 (mirror) so slow ?
- From: Fajar Priyanto <fajarpri@xxxxxxxxxx>
- Date: Thu, 9 Nov 2006 12:01:44 +0700
On Thursday 09 November 2006 09:58, Arie Reynaldi Z wrote:
I'd like to get more stability and fast recovery for my server. So i
decide to make RAID 1 (mirror) using 2 SATA hd, since using raid 1 i
almost dont have to worry about hardisk failure.
I want to use RAID 5 using 3 HD but this will cost me more. The
server will running java using tomcat, and mysql db. But our vendor
said that using RAID 1 is slower then using 1 HD. Is this true ? If i
use as application server using database, would be enough ? Another
thing, I use softraid from yast.
Software RAID level 1 is slower than 1 harddisk? Not true. Writing and Reading
speed is good. But, it's the most expensive solution in terms of money per
MB.
Software RAID level 5 is slower than 1 harddisk? Partly true. Writing
performance is a bit slower since it must calculate the parity. Reading speed
is good.
I use software RAID 1 on my mailserver with 2x150GB sata Seagate. So far it's
satisfactory.
HTH,
--
Fajar Priyanto | Reg'd Linux User #327841 | Linux tutorial
http://linux2.arinet.org
11:58am up 3:53, 2.6.16.13-4-default GNU/Linux
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