Software RAID weirdness question
Gregory J. Neumann
gregneumann at netscape.net
Wed May 30 10:39:25 EDT 2001
First real post here. Hope you don't mind a question: :-)
I am trying to implement software RAID 1 on my Slackware 7.1 box w/ dual 9.1 gig ultra-SCSI drives, 2.2.19 kernel, RAID 1 support compiled in and the latest available raidtools 0.90 pkg. AFAICT, there is no patch for RAID for the 2.2.19 kernel.
At one point I managed to get a raid set up "accepted" as a RAID 0, but I
wanted to change it to RAID 1.
In keeping w/ the HOWTO, I originally set the raid partitions w/ the
permanent super-block. Now the kernel registers the personality, but
every time I try to "raidstart", I get "invalid argument: /dev/md0".
"mkraid" aborts on "seems to be part of an active raid", even w/ the "really-force" option. However, "/proc/mdstat" lists all raids as
inactive. "/syslog" doesn't have any references, same w/ "/messages". "dmesg" just shows a successful RAID 1 personality registration at startup.
I can delete the partitions w/ fdisk, bring them back as regular 83 partitions, mke2fs them and write data. Then delete and set them up as RAID again, and the same things happen. I have even deleted the /dev/md* and reinstalled the raidtools. Same thing. Even changing the partition sizes doesn't work.
The HOWTO and all online docs I can find are very out of date. None of the docs or articles I find even hint on what I should do.
Whew! I guess that's about as persistent as a super-block can be! This
really mystifies me! Any ideas at all?
Best regards,
Greg
--
Gregory J. Neumann, E-mail: info at certainlywood.com
Certainly Wood Inc., 13000 Route 78, East Aurora, NY 14052-9515
Tel: 716-655-2769, Fax: 716-655-3446
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