Re: strange nr. of devices in array

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Hi Christian!

Christian Kivalo schrieb:
hi everybody!

i found out, that the superblock of my raid5 array says it's built out
of 7 disks, but i created it with only 6 disk. the mdadm call used to
create the array was:


i'm using mdadm version 0.7.2, i think that is pretty old. i will
upgrade to a more recent version and recreate the array.

still i would like to know if i encountered a bug or if thats some other
problem. this mdadm version is the one from debian woody (stable).


thanks in advance christian

Yes, that is a bug in the (very old) 0.7.2 of Debian. Additionally, these old versions cannot handle spare devices (after each assemble, you hae to add them manually). Use at least mdadm 1.4.0, better the newest (I believe 1.5.0). You do not need to recreate the array, simply stop it and (re-)assemble it after you have the new mdadm in place - and the bug and the wrong output is gone.


Had the same problem (that with the spare device) with SuSE 8.2 and Debian Woody...

Bye, Norman.

--

Norman Schmidt          Institut fuer Physikal. u. Theoret. Chemie
Dipl.-Chem.             Friedrich-Alexander-Universitaet
schmidt@naa.net         Erlangen-Nuernberg
                        IT-Systembetreuer Physikalische Chemie
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