Hi Alvin, Thanks for your prompt reply.
On Sat, 2 Feb 2002, Alvin Oga wrote: > a. try to boot debian off of one single scsi disk first It works fine off one disk. I have installed on one disk and will be transferring to RAID as per Boot+Root+RAID+Lilo-HOWTO. > - copy the initrd.tgz file and the kernel > onto floppy I'm not using an initrd; the SCSI driver is compiled in the kernel, as is the RAID support. Used to work fine on potato with patched 2.2.19... > - you will need it to read the scsi disks... > and cant read teh disk till you have the scsi driver > ( catch-22 problem ) > > - make a boot floppy that boots debian on one scsi disk first... > ( at least i would wanna know that i can boot a regular > ( scsi disk first from itself... and boot the scsi off a floppy The single disk boots off of the single disk MBR, so it's not a SCSI driver issue. > b. make sure that your partition type is fd ( raid autodetect ) It is; the arrays on the other disks are started automatically when I boot into the single disk. > when you are ready to build your sda1 and sdb1 root raid ... > - i assume you have a typo below for your /boot raid partition > definitions Sorry: root fs: /dev/md2 (sda2+sdb2) /boot: /dev/md1 (sda1 +sdb1) > c. make sure lilo.conf has a line for initrd=initrd.gz Not using initrd... > and use lba32 nt linear Tried it both ways, no joy... > i'd also remove the chs info from lilo.conf OK, will try that next. > - patches arent needed for raid0/raid1 for 2.2 or 2.4 kernels... > and probably required for raid5 on most 2.2 kernels I'm using 2.4.17 without any patches. Thanks, G. > > On Sat, 2 Feb 2002, George Karaolides wrote: > > > > > Hi, > > > > Has anyone successfully built a woody system with root fs on software > > RAID and kernel 2.4 ? > > > > I am running several installations of potato with root fs on RAID and > > kernel 2.2.19 with the raid-a1 patch, but my attempts to build one with > > woody and kernel version 2.4.17 have failed so far. > > > > I've searched the web quith thoroughly but have failed to locate an > > indication that to build root fs on RAID with 2.4, a different strategy > > must be followed to the one used with the 2.2 kernels and the "new" > > RAID patches. > > > > When booting, lilo fails with either L<nothing> or L 01 01 01 01 01... I > > have tried both "lba32" and "linear" in lilo.conf without result. > > > > I am following the same method as I used successfully with potato and > > kernel 2.2.19: > > > > - Root fs on /dev/md2 (RAID-1) (sda2+sdb2) > > > > - /boot in /dev/md1 (RAID-1) (sda2+sdb2) > > > > Included in lilo.conf: > > > > # The root fs device > > disk=/dev/md2 > > > > # Geometry obtained by fdisk -ul > > cylinders=8704 > > heads=64 > > sectors=32 > > > > # We will use the SCSI bios to choose which MBR to boot from; > > # in which case it will be assigned BIOS ID 0x80 > > bios=0x80 > > > > # The /boot device, as a partition of the root device; this is > > # a trick to tell lilo where to look for the /boot data. > > partition=/dev/md1 > > > > # The sector the /boot device starts from > > # (first sector of one of the partitions in the array > > # /dev/md1, i.e. /dev/sda1 or /dev/sdb1; life is easier > > # if they are both the same). > > start=32 > > > > # The MBR we will actually be installing to. We can change this > > # to /dev/sdb and rul lilo again so we can boot from either disk. > > boot=/dev/sda > > > > # The root device > > root=/dev/md2 > > > > <remainder of lilo.conf is fairly standard> > > > > Any ideas? >
