[Samba] Newbie needs help with failed RAID5 disk

rruegner robert at ruegner.org
Mon Nov 1 17:07:00 GMT 2004

Ronald Sand schrieb:
> I was hoping someone could either help me or point me in the direction
> of a resource.  I have searched the web for any howto on repairing a
> failed array, but keep coming up short.  I have a home file server
> running a RAID 5 array that now will not mount my array.  I believe it
> is telling me there is a problem with the second drive.
> The basics:
> RedHat 8.0
> kernel 2.4.20-28.8
> don't know the samba version
> system is a PIII 600 with 3 Maxtor 80 GB drives
>     all three drives are recognized by the BIOS
> The Grub loader comes up, but the system hangs when I try to bot the
> OS.  Following are some of the errors that show up.  I can't scroll up
> to see more as the system is frozen.
> I have all my family photos on here and would really like to preserve
> them.  The timing is ironic.  On the day the system failed I was
> building a new windows machine with a DVD burner to backup my data -
> all I needed was one more day!
> Any help would be greatly appreciated.
> Ron
> md0: 2 data -disks, max readahead per data-disk: 256
> raid5:L device hdf1 operational as raid disk 1
> raid5: not enough operational divices for md0 (2/3 failed)
> RAID5 conf printout:
> --- rd:3 wd:1 fd:2
> disk 0, s:0, o:0, n:0 rd:0 us:1 dev:[dev 00:00]
> disk 1, s:0, o:0, n:0 rd:0 us:1 dev:hdf1
> disk 2, s:0, o:0, n:0 rd:0 us:1 dev:[dev 00:00]
> raid5: failed to run raid set md0
> md: pers->run() failed ...
> md :do_md_run() returned -22
> md: md0 stopped.
> md: unbind<hdf1,0)
> md: ...autorun DONE.
> Creating block devices
> Creating root device
> Mounting rtto filesystem
> EXT3-fs: unable to read superblock
> mount: error 22 mounting ext3
> pivotrot: pivot_root(/sysroot,/sysroot/initrd) failed: 2
> umount /initrd/proc failed: 2
> Freeing unused kernel memory: 128k freed
> Kernel panic: No init found. Try passing init= option to kernel.

Sorry what has this to do wtih samba?
try contact the vendor of your raid controller,the failure
seems clear
raid5: not enough operational divices for md0 (2/3 failed)
so check cables etc

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