raid barfs at startup with 2.6 kernel

[Blake Swadling]

OK, firstly i will say i know bugger all about the way raid works. however i have managed to set up, both running software raid (raid0). one uses 2 SATA drives and the other has 2 ATA drives

When I upgrade to kernel 2.6.* the raid barfs on both machines with the following errors

md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: raidstart(pid 619) used deprecated START_ARRAY ioctl. This will not be supported beyond 2.6
md: could not lock unknown-block(8,2).
md: could not import unknown-block(8,2)!
md: autostart unknown-block(0,2050) failed!
md: raidstart(pid 636) used deprecated START_ARRAY ioctl. This will not be supported beyond 2.6
md: could not lock unknown-block(8,3).
md: could not import unknown-block(8,3)!
md: autostart unknown-block(0,2051) failed!
md: raidstart(pid 653) used deprecated START_ARRAY ioctl. This will not be supported beyond 2.6
md: could not lock unknown-block(8,4).
md: could not import unknown-block(8,4)!
md: autostart unknown-block(0,2052) failed!
EXT3-fs: unable to read superblock
EXT3-fs: unable to read superblock
EXT3-fs: unable to read superblock

If i manually start run mdadm and raid2 and then do mount -a on both machines the scripts after logging in then all is fine.  mdadm-raid always fails hence the use of raidtools. All packages are up to date.

It appears to me that the raid as trying to start before the modules are present. Has anyone seen this?   how do i get it to load correctly now.

Cheers

Blake

Blake Swadling Senior Software Engineer Newton Pty Ltd Telephone: +61 2 6247 3544 Fax: +61 2 6247 3533 Mobile: +61 407 026277 Web: http://www.newton.com.au

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