On Wed, Mar 12, 2008 at 12:01:53AM +0000, Daniel Guzman wrote: > Hello, > My system: ASUS P5K-E, Chipset P35 and ICH9R, 4x Western Digital 320GB. > Kernel 2.6.24. dmraid 1.0.0.rc14 > > Intel(R) Matrix Storage Technology allows you to create two RAID volumes > sharing the same hard disks ( > http://www.intel.com/design/chipsets/matrixstorage_sb.htm). > I am trying to install Kubuntu in my system, I can copy the files in the > disks but there is a problem when grub tryes to write the mbr. Grub is > unable to read the partition table if there is two RAID volumes on the ICH9R > controller. > > When I created a RAID0 array filling the whole capacity of the disks, grub > can read partition table and setup the mbr. > > If I create a RAID0 array filling only a portion of the total capacity, or > if I create a RAID0 and a RAID5 array on the same disks, grub can not setup > the mbr due to "Unknown partition table signature". > > Is this issue related to dmraid? > Are multiple arrays per controller supported in dmraid? Yes, multiple arrays with isw are supported. Sounds like a grub problem with such mappings. Cheers, Heinz > > Regards. > _______________________________________________ > 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