question regarding dmraid

Heinz Mauelshagen mauelshagen at
Thu Mar 29 11:01:04 UTC 2007

On Mon, Mar 26, 2007 at 01:38:37AM -0500, Ivica Ico Bukvic wrote:
> To Whom It May Concern:
> I am currently using FC6 and have dmraid set up by the default install
> (Mirroring). Recently one of the drives have exhibited weird noises
> suggesting imminent failure so I replaced one of them. Upon rebuilding the
> RAID in BIOS which was too instantaneous to suggest that the new drive was
> truly in sync with old one, yet upon booting dmraid also displays "ok"
> status. Upon inspecting /dev I could see that sda has partitions as expected
> (sda1 and sda2), while the new drive sdb (unlike the old one) does not.


looks like the BIOS code for this case isn't recognized properly by dmraid.

Can you "dmraid -rD", tar/bzip2 the resulting *.{dat,size,offset} files
into Ivica_Ico_Bukvic-raid1.tar.bz2 and send them to me for analysis,

> For this reason, I was wondering if you would kindly share some info on how
> to rebuild the RAID once a new drive is reinstalled. I also searched FC6
> apps that have been installed by default and was unfortunately unable to
> locate anything that would solve my problem.
> Your assistance in this matter is most appreciated!
> NB: I am not subscribed ot ataraid-list, so I ask you kindly to cc any
> replies directly to my address.
> Thank you very much!
> Sincerely,
> Ivica Ico Bukvic, D.M.A.
> Composition, Music Technology, CCTAD, CHCI
> Virginia Tech
> Dept. of Music - 0240
> Blacksburg, VA 24061
> (540) 231-1137
> (540) 231-5034 (fax)
> ico at

Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***


Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Storage Development                               56242 Marienrachdorf
Mauelshagen at                            PHONE +49  171 7803392
                                                  FAX   +49 2626 924446

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