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Re: Pulling disk out of the RAID 5 Array?

To: Eric Peters <egpeters@xxxxxxxxxxxxxxxx>
Subject: Re: Pulling disk out of the RAID 5 Array?
From: Austin Gonyou <austin@xxxxxxxxxxxxxxx>
Date: 18 Dec 2001 15:00:21 -0600
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <Pine.A41.4.33.0112181249510.84718-100000@dante38.u.washington.edu>
References: <Pine.A41.4.33.0112181249510.84718-100000@dante38.u.washington.edu>
Sender: owner-linux-xfs@xxxxxxxxxxx
There are 2 ways to go, both involve the ability to hot-swap drives. 

So hardware wise, you'll still need hot-swap bays and drives.
Most 80pin SCA drives are this way, and fibrechannel drives also. 

Secondly, the choice to make next is hardware or software raid. Hardware
raid is nice because the OS handles less, or none, of the burden of
rebuilding the array should a failure occurr. 

If cost is a factor however, you're best bet is software raid. MD
Devices. Either RAID1, 0/1, or RAID5. 



On Tue, 2001-12-18 at 14:51, Eric Peters wrote:
> I'm following this thread with great interest, what hardware
> configuration
> would any of you recommend for this type of hot swap and go system - I
> want to be able and have some data redundancy for a couple of web
> servers
> I have at the harddrive level - where I could swap out a bad disk and
> still have the server reving - gradually rebuilding the replaced
> mirror/or parity
> drive/etc
> 
> Thanks!
> 
> Eric
-- 
Austin Gonyou
Systems Architect, CCNA 
Coremetrics, Inc.
Phone: 512-698-7250
email: austin@xxxxxxxxxxxxxxx
 
"Have regard for your name, since it will remain for you longer than a
great store of gold."
Ecclesiastes, Aprocrypha

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