Woody, James, both offsets added. If this offset story turns out to be ongoing, I need to address this by a flexible algorithm for pdc metadata discovery... Heinz On Mon, Apr 16, 2007 at 10:13:50AM -0400, Woody Suwalski wrote: > Bob Stewart wrote: > >--- James Olson <big_spender12@xxxxxxxxx> wrote: > > Hi Bob, > >I ran into a similar problem with the same controller on certain older > >drives. The problem has to do with the way the fasttrak bios sees the > >drive size and > >geometry as opposed to the way linux sees it as reported by the old drive's > >firmware. Normally the drive metadata sector is located on the last > >cylinder > >of the drive, about 63 sectors before the end. Anyway you can probably > >get it > >to work if you look through the data on your drive to find out what sector > >the > >metadata is on, and then modify the dmraid source (pdc.c?) to add it to the > >list of sector offsets from the end of the disk to try. > > -James > > > >Dmraiders, > > > >This was actually pretty easy to do. May I suggest the following change to > >pdc.h? Seems like there should be some rhyme or reason for the offset, > >though. > > Or is it just dependent on the model and revision of the controller? > > This is > >a "hacked" Utra66 controller with BIOS V1.30. > > > >OLD: > >#define PDC_CONFIGOFFSETS 63,255,256,16,399,735 > >NEW: > >#define PDC_CONFIGOFFSETS 63,255,256,16,399,735,675 > > > >Bob > > > > > Actually we have found yet another PDC location=991: > > #define PDC_CONFIGOFFSETS 63,255,256,16,399,735,675,991 > > I think I have sent Heinz a patch for this, however it somehow got lost? > Anyway, thanks for the 675... > > > Woody, Xandros > > _______________________________________________ > Ataraid-list mailing list > Ataraid-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/ataraid-list =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Red Hat GmbH Consulting Development Engineer Am Sonnenhang 11 Storage Development 56242 Marienrachdorf Germany Mauelshagen@xxxxxxxxxx PHONE +49 171 7803392 FAX +49 2626 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ Ataraid-list mailing list Ataraid-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ataraid-list
