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Re: XFS and RAID5

To: Andrew Klaassen <ak@xxxxxxx>
Subject: Re: XFS and RAID5
From: Ingo Juergensmann <ij@xxxxxxxxxxxxxxxx>
Date: Mon, 18 Jun 2001 21:51:06 +0200
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <20010618091334.A2209@xxxxxxxxxxx>; from ak@xxxxxxx on Mon, Jun 18, 2001 at 09:13:34AM -0400
References: <4.3.2.7.2.20010618070434.02d268e0@xxxxxxxxxxxxx> <200106180555.FAA00389@xxxxxxxxxxxxxxxxxxxxxxxxxxx> <20010618091334.A2209@xxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: Mutt/1.3.17i
On Mon, Jun 18, 2001 at 09:13:34AM -0400, Andrew Klaassen wrote:
> 7 disks?  I'm curious: SCSI or IDE?  (We're looking into a
> Promise or 3ware card to allow us to put lots of IDE drives in a
> box and run software RAID over top, and were wondering if anyone
> else has had experience with these cards+software RAID+XFS.)

Well, SCSI offers some advantages over IDE whereas IDEs main advantage is
its llow price, but beside this Software RAID5 with XFS and SCSI is working
fine here since some weeks with 4x old 2 GB disks on an old HP Netserver
5/133 LS. Being a gift it's a nice machine doing nice things with its
RAID5... special fun is to pull out its hotswappable disks although it is
not so much fun that the Linux md driver isn't really hotswappable.

But I'm running 2.4.3 with stable 1.0 XFS. A 2.4.6pre2 with CVS XFS wasn't
really stable, but hey, it's CVS code... 
And compared to fsck'ing the 9 GB ext2 drive XFS is a real advancement for
every user, IMHO, even though syncing the RAID while it is mounted slows
down everything a bit (remember: Software RAID5) you can work on the machine
where ext2 would still fsckin around... 
And for those who are interested: XFS is on / with a 50 MB ext2 /boot
partition, working pretty good... 

Well, and personally I'm curios to know and to find out if Linux XFS really
works with that 1 GB original SGI drive I pulled out of my Indy... 

-- 
Ciao...                    // PowerAnimator & Maya Operator
      Ingo               \X/  To boldly design where noone designed before!

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