Help with ES v3 Raid1 (Mirror)

[baran.yurdagul at turkcell.com.tr]

Can you make some full fsck to filesystem ?

-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of Marc Leveille
Sent: Friday, January 27, 2006 3:50 PM
To: General Red Hat Linux discussion list
Subject: RE: Help with ES v3 Raid1 (Mirror)

Hi, I used ext3. I will try again today using ext2 as I have no other
idea. I only have experience with hardware raid with Windows.

thanks

Marc

On Fri, 2006-01-27 at 08:09 +0200, baran.yurdagul at turkcell.com.tr wrote:
> Which option did u use while creating the filesystem, ext2 or ext3 via
> mkfs command ?
> 
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Marc Leveille
> Sent: Thursday, January 26, 2006 9:52 PM
> To: redhat-list at redhat.com
> Subject: Help with ES v3 Raid1 (Mirror)
> 
> Hi, I'm trying to setup a Raid1 mirror between 2 hard drives. I have
the
> following.
> 
> 1- SDA 36gig System disk
> 2- SDB 36gig blank
> 3- SDC 36gig blank
> 
> I'm trying to Mirror SDB to SDC by doing the following.
> 
> 1- By using FDisk I created SDB1 and SDC1 on each drive. 
> 2- I then makefs ext3 for each partition.
> 3- Then I used mkadm --create /dev/md0 --level=1
> --raid-devices=2 /dev/sdb1 /dev/sdc1
> 
> I ran watch cat /proc/mdstat until the process was completed.
> 4- when it was complete I tested the mount using mount -t
> ext3 /dev/md0 /home/apps and it mounted and I was able to open it.
> 5- I then edited fstab with /dev/md0 /home/apps ext3 defaults 1 2 and
> rebooted.
> 6- I now get the following error at boot. 
> 
> FSCK.ext3 /dev/mdo the superblock could not be read or does not
describe
> a correct EXT2 Filesystem.......bla bla and asks to run E2FSCK -B 8193
> 
> 7- I used Vi and comented out the mount in fstab and re-booted. I
tried
> to manually mount the drive the same way as (Item #4) and it now fails
> Mount: Wrong FS Type.
> 
> Any ideas as to what I need to do. Sould I use ext3 ?
> 
> thanks 
> 
> Marc
> 
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