| Eric Edwards 2005-08-30, 5:56 pm |
| I'm transitioning from a Mandrake 10.2 system with non-redundant disks
to a Gentoo system booting from a pair of mirrored 200GB drives, configured
using firmware RAID.
The Gentoo system is booting but there are still some issues to sort out
so I still need to be able to mount the mirrored set from Mandrake.
It was working (that's how I installed Gentoo) but now it isn't and I'm
at wits end trying to figure out what could have changed and how to fix
it.
# !mod
modprobe -v dm-mod
insmod /lib/modules/2.6.3-7mdk-i686-up-4GB/kernel/drivers/md/dm-mod.ko.gz
# ls -l /dev/mapper
total 0
crw-rw---- 1 root root 10, 63 Dec 31 1969 control
# dmraid -ay
ERROR: dos: reading /dev/mapper/hpt37x_gdfgehef[Invalid argument]
# ls -l /dev/mapper/
total 0
crw-rw---- 1 root root 10, 63 Dec 31 1969 control
brw-r----- 1 root root 254, 0 Dec 31 1969 hpt37x_gdfgehef
In /var/log/messages, I see:
"
kernel: device-mapper: 4.0.0-ioctl (2003-06-04) initialised: dm@uk.sistina.com
kernel: device-mapper: error adding target to table
kernel: device-mapper: ioctl interface mismatch: kernel(4.0.0), user(4.1.0), cmd(13)
"
Sometimes, the ls on /dev/mapper and dmraid hang. Sometimes they don't.
But it never works. Gentoo boots just fine (unrelated problems not
withstanding). Any ideas?
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