Help with ES v3 Raid1 (Mirror)

Marc Leveille marc.leveille at nrc-cnrc.gc.ca
Fri Jan 27 14:46:22 UTC 2006


Thanks, I understood what you meant.

Marc



On Fri, 2006-01-27 at 09:32 -0500, Tom Callahan wrote:
> Sorry, partition "types" , not labels.
> 
> Thanks,
> 
> Tom Callahan
> TESSCO Technologies
> Desk: (410)-229-1361
> Cell: (443)-506-6216
> Email: callahant at tessco.com
> 
> A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable.
> 
> 
> 
> Tom Callahan wrote:
> 
> >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 at tessco.com
> >
> >A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable.
> >
> >
> >
> >baran.yurdagul at turkcell.com.tr wrote:
> >
> >  
> >
> >>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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