VIA SATA Raid volume config not properly recognized by dmraid

Heinz Mauelshagen mauelshagen at redhat.com
Fri Sep 23 07:14:14 UTC 2005


Hi Phillip.

On Thu, Sep 22, 2005 at 10:37:04AM -0400, Phillip Susi wrote:
> I used the dmraid utility to attempt to detect and configure my SATA 
> RAID 0.  It recognized the volume, but seems to assume it uses a stripe 
> size of 16 KB rather than using the value in the parameter block on the 
> disk.  I ended up having to correct the stripe size to 64 KB using 
> dmsetup by hand to get everything working.
> 
> Is this a known bug,

No.

>  and is there anything I can do to help fix it, such 
> as supplying dumps of the bios parameter block when the raid is built 
> with different sizes so the location of the stripe size can be found?

Yes.

'dmraid -rD' output (*.dat, *.size and *.offset files) tar'ed/bzip2'ed
would be helpful.

> 
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-- 

Regards,
Heinz

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

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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Cluster and Storage Development                   56242 Marienrachdorf
                                                  Germany
Mauelshagen at RedHat.com                            +49 2626 141200
                                                       FAX 924446
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