Messages in this thread | | | From | David Martínez Moreno <> | Subject | Re: Help Root Raid | Date | Thu, 19 Aug 2004 11:27:37 +0200 |
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El Jueves, 19 de Agosto de 2004 11:09, Pankaj Agarwal escribió: > Hi, > > I need your help regarding root raid. I have a root raid implemented server > and it not booting anymore. I tried to use that harddisc as secondary hard > disk to on of my other linux installation..so i can take a backup of files. > The other installation has raid precompiled....as in booting process it > checks for raid arays and at shutdown it gives messages regarding md > devices. however it doesn't show any dev in lsdev or /proc/mdstat. My > problem is when i try to mount it using "mount -t ext2 /dev/md0 /mnt/hdc1" > it gives me error as "wronf fs, bad option, bad superblock on > /dev/md0.........................(aren't you trying to mount a block device > on a logical device)". Kindly show me the way to mount the filesystem.
Hello, Pankaj.
Probably you are not starting your RAID. You can check it with cat /proc/mdstat. If not, well, you can mark the partitions forming the RAID with persistent superblock (fd partition type in fdisk)) for starting automatically the RAID on boot, or fill in the /etc/raidtab file with the values of your current RAID and start it manually (see raidtools2 package).
Also you can read RAID-HOWTO for unvaluable information.
Regards,
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