[mythtv-users] mdadm help, please
drescherjm at gmail.com
Fri Apr 24 13:52:24 UTC 2009
On Fri, Apr 24, 2009 at 12:04 AM, Joel Means <means.joel at gmail.com> wrote:
> Thanks for the response. I have answered your questions below.
>> Can you post the output of cat /proc/mdstat?
> # cat /proc/mdstat
> Personalities : [raid6] [raid5] [raid4]
> md0 : active (auto-read-only) raid5 sdb1(S) sdf1 sda1 sdd1
> sde1 sdg1 sdc1
> 782819968 blocks level 5, 64k chunk, algorithm 2 [7/6] [UUUUUU_]
> unused devices: <none>
>> How did you assemble the array? With the force option? And no you
>> array probably is not hosed although I am worried why the spare is not
>> being added automatically.
> I did not use the force option. I just did a 'mdadm -A /dev/md0
>> Is the output of
>> sfdisk -d /dev/sda
>> the same as all other disks?
> All of the drives show the same:
> # sfdisk -d /dev/sda
> # partition table of /dev/sda
> unit: sectors
> /dev/sda1 : start= 63, size=976768002, Id=fd
> /dev/sda2 : start= 0, size= 0, Id= 0
> /dev/sda3 : start= 0, size= 0, Id= 0
> /dev/sda4 : start= 0, size= 0, Id= 0
>> Do you have mdadm 2.6.4 or greater installed?
> # mdadm --version
> mdadm - v18.104.22.168 - 14th November 2008
I have 20+ arrays in use at work for 5 years and I have never seen
anything like this. I do have ideas how to recover but I think its
best to ask the folks at the linux-raid mailing list first.
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