I Had written a FAQ for this specific case. It was meant for standard Software Raid - but can be IMHO superposed to DM_Raid without a problem. Check out: http://www.solsys.org/mod.php?mod=faq&op=match&display_order=section§ion=Linux&display_option=expand#96 It is rather a how can I boot from the second Drive of a SATA Raid-1 system - but ithas some explanations that are required to understand the setup. Darrick J. Wong wrote: > Thomas Backlund wrote: >> Hi, >> has anyone successfully installed grub on a nvidia dmraid10 ? >> >> I have a setup of 4 160GB disks configured through bios to do raid10, >> made the partitions under WinXP with Partition Magic and I can access >> the /dev/mapper/nvidia_* partitions just fine from a livecd as they are >> correctly identified with dmraid -ay... > > afaik, grub doesn't know how to determine which dm devices map back to > BIOS devices. You can manually set up a mapping in the grub shell: > > device (hd0) /dev/mapper/blah > > ...though you'll want to specify the device's BIOS geometry via "dmsetup > setgeometry c h s" first. At some point I'll patch dmraid to do this > automatically (unless someone beats me to it ;)). > > Note that for an installed system you can put "(hd0) /dev/mapper/blah" > in /boot/grub/device.map. > > --D > > _______________________________________________ > Ataraid-list mailing list > Ataraid-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/ataraid-list -- ------------------------------------------------------------------------ | Joerg Mertin : smurphy@xxxxxxxxxx (Home)| | in Forchheim/Germany : smurphy@xxxxxxxx (Alt1)| | Stardust's LiNUX System : | | Web: http://www.solsys.org | ------------------------------------------------------------------------ PGP Fingerprint: AF0F FB75 997B 025F 4538 5AD6 9888 5D97 170B 8B7A _______________________________________________ Ataraid-list mailing list Ataraid-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ataraid-list