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Old 11-28-2011, 12:24 PM   #1
Retiredgeek
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Mounting RAID


I am trying to mount a RAID on boot that I just created in Fedora 15.

After typing in the following in fstab the system hangs on boot.

/dev/md127 /media/RAID ext4 default 0 0

This is the last line in the fstab file. What am I missing or forgetting?
 
Old 11-28-2011, 03:03 PM   #2
MensaWater
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Did you run mke4fs on the device to layout an ext4 filesystem on it? There is no filesystem on a device until you do this. The entry in fstab tells it to mount the filesystem but if this hasn't been done yet there is no filesystem to mount.
 
Old 11-28-2011, 04:52 PM   #3
Retiredgeek
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I did not use the command line to do this. I used the Disk Utility to setup the RAID set. The RAID does mount with the Disk Utility and I can access the file system locally and remotely. If you are telling me that I need to run this utility even though I used the Disk Utility to create and format the RAID set I will.

There is a warning that the partition is misaligned. It still mounts and I am not see performance issues. Any more ideas.

Last edited by Retiredgeek; 11-28-2011 at 04:53 PM. Reason: spelling issues
 
Old 11-29-2011, 09:27 AM   #4
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I don't use the utility you mention. If you mount via the utility can you see it mounted with "df -h" from command line?

If you run "/lib/udev/vol_id -t /dev/md127" what does it show you?

What does "fdisk -l /dev/md127" show you?
 
Old 11-29-2011, 03:20 PM   #5
Retiredgeek
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OK I ran all the command line utilities to create a software RAID. Remember this is Fedora 15. The RAID will mount and work but will not load during a reboot. In fact I put the line in the fstab file and used mount -a to mount the RAID twice before I rebooted the computer.

These are three SATA disks of the same size 160GB. They had been formatted with Fedora 16 as a RAID and I reinstalled Fedora 15. Fedora 16 is too buggy. Hope you are not one of the Fedora 16 experts and get offended. I broke down the RAID and started for scratch. I can try again. Maybe I need to delete all the device files, but will I get them all.

This really has me stumped. UNIX admin for 5 years and then IT manager. I know my brain was destroyed while I was a manager.

HELP Please
 
  


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