dmraid and promise fasttrak controller

Heinz Mauelshagen mauelshagen at redhat.com
Wed Jan 12 14:36:58 UTC 2005


On Mon, Jan 03, 2005 at 04:33:58PM +0100, Dick Marinus wrote:
> I'd like to migrate to Linux 2.6, but my root partition is on a pdc raid
> device. I've created an initrd (with dmraid) and it seems to detect the
> array, though invalid :-(
> 
> When the linuxrc starts dmraid -ay I'm getting the following errors:
> ERROR: keeping degraded mirror set "pdc_jjajccdd"
> ERROR: no mapping possible for RAID set pdc_jjajccdd
> 
> From linux 2.4 dmraid -r reports:
> /dev/hdg: pdc, "pdc_jjajccdd", mirror, broken, 159179687 sectors, data@ 0
> /dev/hde: pdc, "pdc_jjajccdd", mirror, broken, 159179687 sectors, data@ 0
> (the raid set is mounted at this moment)

This looks like bit 8 set in raid.status of the Promise metadata
(see dmraid -n output), which is used to indicate a broken mirror in dmraid.

What does your Promise BIOS tell about the array status ?

Can you send me the metadata
(dmraid -rD;tar jcvf pdc-Dick_Marinus.tar.bz2 *.dat *.offset) please ?

> 
> Any ideas? Thanks in advance!
> 
> Greetings,
> Dick Marinus



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-- 

Regards,
Heinz    -- The LVM Guy --

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