Re: Help with ES v3 Raid1 (Mirror)

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Make sure the partition labels in fdisk are set to "Linux Raid Autodetect"

Thanks,

Tom Callahan
TESSCO Technologies
Desk: (410)-229-1361
Cell: (443)-506-6216
Email: callahant@xxxxxxxxxx

A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable.



baran.yurdagul@xxxxxxxxxxxxxxx wrote:

>Can you make some full fsck to filesystem ?
>
>-----Original Message-----
>From: redhat-list-bounces@xxxxxxxxxx
>[mailto:redhat-list-bounces@xxxxxxxxxx] 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@xxxxxxxxxxxxxxx wrote:
>  
>
>>Which option did u use while creating the filesystem, ext2 or ext3 via
>>mkfs command ?
>>
>>-----Original Message-----
>>From: redhat-list-bounces@xxxxxxxxxx
>>[mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Marc Leveille
>>Sent: Thursday, January 26, 2006 9:52 PM
>>To: redhat-list@xxxxxxxxxx
>>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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