Hi everyone! In the light of the previous poster's mail, I'd like to resend this mail I sent on 06/16/00. I got no answer then. It appears to be the exact same problem. Funny thing is that the oops did not dump the registers and the stack...? Marc Clarification of the first paragraph of the following mail: partition before after --------------------------------- /dev/sdb1 / /boot /dev/sda1 unused \ bound together as a raid-1 /dev/sdc1 unused / array, mounted on /. Marc Mutz wrote: > > Hi Ingo, everyone! > > After deciding to make my now-/ my then-/boot and the two 50M partitions > I have not used until now into then-/ as raid1, I successfully mkraid'es > it with the following /etc/raidtab (snippet) > > Q> raiddev /dev/md0 > Q> raid-level 1 > Q> nr-raid-disks 2 > Q> persistent-superblock 1 > Q> chunk-size 32k > Q> > Q> device /dev/sda1 > Q> raid-disk 0 > Q> device /dev/sdc1 > Q> raid-disk 1 > > (chunk-size is not necessary for raid 1, is it?) > I then created an ext2 fs on it: > Q> mke2fs -b 4096 -i4096 /dev/md0 > I then tried to simulate a disk-failure as I have never done so and will > not do so with the arrays that contain actual data. So before putting > anything else on /dev/md0, I decided to > Q> raidsetfaulty /dev/md0 /dev/sdc1 > (ok, /proc/mdstat shows [U_]) > Q> raidhotremove /dev/md0 /dev/sda1 > (maybe ok, I didn't check the log yet; however, no error messages on the > command line) > Q> raidhotadd /dev(md0 /dev/sdc1 > (no errors on the command line) > (/proc/mdstst shows recovery started, but no progress, ETA increasig all > the time) > (/var/log/messages shows the attached messages, which seem to look ok > -until it oopses with nothing more in the logs.) > > TIA > Marc > <snip> -- Marc Mutz <[EMAIL PROTECTED]> http://marc.mutz.com/Encryption-HOWTO/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyID's: 0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH)
Jun 16 20:01:29 adam kernel: trying to hot-add sdc1 to md0 ... Jun 16 20:01:29 adam kernel: bind<sdc1,2> Jun 16 20:01:29 adam kernel: RAID1 conf printout: Jun 16 20:01:29 adam kernel: --- wd:1 rd:2 nd:1 Jun 16 20:01:29 adam kernel: disk 0, s:0, o:1, n:0 rd:0 us:1 dev:sda1 Jun 16 20:01:29 adam kernel: disk 1, s:0, o:0, n:1 rd:1 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 2, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 3, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 4, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 5, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 6, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 7, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 8, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 9, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 10, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 11, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: RAID1 conf printout: Jun 16 20:01:29 adam kernel: --- wd:1 rd:2 nd:2 Jun 16 20:01:29 adam kernel: disk 0, s:0, o:1, n:0 rd:0 us:1 dev:sda1 Jun 16 20:01:29 adam kernel: disk 1, s:0, o:0, n:1 rd:1 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 2, s:1, o:0, n:2 rd:2 us:1 dev:sdc1 Jun 16 20:01:29 adam kernel: disk 3, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 4, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 5, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 6, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 7, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 8, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 9, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 10, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 11, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: md: updating md0 RAID superblock on device Jun 16 20:01:29 adam kernel: sdc1 [events: 00000003](write) sdc1's sb offset: 52352 Jun 16 20:01:29 adam kernel: sda1 [events: 00000003](write) sda1's sb offset: 52352 Jun 16 20:01:29 adam kernel: . Jun 16 20:01:29 adam kernel: md: recovery thread got woken up ... Jun 16 20:01:29 adam kernel: md0: resyncing spare disk sdc1 to replace failed disk Jun 16 20:01:29 adam kernel: RAID1 conf printout: Jun 16 20:01:29 adam kernel: --- wd:1 rd:2 nd:2 Jun 16 20:01:29 adam kernel: disk 0, s:0, o:1, n:0 rd:0 us:1 dev:sda1 Jun 16 20:01:29 adam kernel: disk 1, s:0, o:0, n:1 rd:1 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 2, s:1, o:0, n:2 rd:2 us:1 dev:sdc1 Jun 16 20:01:29 adam kernel: disk 3, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 4, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 5, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 6, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 7, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 8, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 9, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 10, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 11, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: RAID1 conf printout: Jun 16 20:01:29 adam kernel: --- wd:1 rd:2 nd:2 Jun 16 20:01:29 adam kernel: disk 0, s:0, o:1, n:0 rd:0 us:1 dev:sda1 Jun 16 20:01:29 adam kernel: disk 1, s:0, o:0, n:1 rd:1 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 2, s:1, o:1, n:2 rd:2 us:1 dev:sdc1 Jun 16 20:01:29 adam kernel: disk 3, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 4, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 5, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 6, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 7, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 8, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 9, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 10, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: disk 11, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] Jun 16 20:01:29 adam kernel: md: syncing RAID array md0 Jun 16 20:01:29 adam kernel: md: minimum _guaranteed_ reconstruction speed: 100 KB/sec. Jun 16 20:01:29 adam kernel: md: using maximum available idle IO bandwith for reconstruction. Jun 16 20:01:29 adam kernel: md: using 128k window. Jun 16 20:01:29 adam kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Jun 16 20:01:29 adam kernel: current->tss.cr3 = 00101000, %cr3 = 00101000 Jun 16 20:01:29 adam kernel: *pde = 00000000 Jun 16 20:01:29 adam kernel: Oops: 0000 Jun 16 20:01:29 adam kernel: CPU: 0
