On 15 Jul 2004 16:42:02 +0930, "Ninti Systems" <office@xxxxxxxxxxxx> said: > After a ride a car, bingo, suddenly it would boot again. I hope that prompted you to unplug and reseat all cabling, controllers, etc? If you have equivalent replacement cables or controllers, handy I'd replace 'em. > It appears that two out of five md devices have disappeared. md0 was the > /boot partition, and md2 was the swap partition, they are no longer > present it seems. Well, swap you don't need to worry about; just recreate it. BTW, it's often not needed: http://www.tldp.org/HOWTO/Software-RAID-HOWTO-2.html#ss2.3 > md1, md3 and md4 are all present but degraded I think > (see output of mdadm below). > > Basically, I'm wondering where to go from here: > > - Does this look like a sudden-power-off issue or a broken HDD issue? Check if the system fans are working. Were you monitoring the system? It was running OK, and now 5 drives are bad? Wow. Post your config files (e.g. /etc/raidtab or mdadm.conf) (Hopefully you have one!) If not, look into the mdadm -E command (and installing mdadm if needed). > > - Any advice on how to resolve this issue (get back the missing md > devices and restore full arrays? You may want to use raidhotadd (or the mdadm equivalent) to restore the partially functioning devices (1,3,4) to normal function before working on 0 - IF you know where their 'other halves' were. Otherwise, I'd say hold off 'till you get 0 back. > > Raid Devices: > Personalities : [linear] [raid0] [raid1] [raid5] read_ahead 1024 sectors > md1 : active raid1 hdc2[1] 9767424 blocks [2/1] [_U] md3 : active raid1 > hdc5[1] 58596992 blocks [2/1] [_U] md4 : active raid1 hdc6[1] 8297472 > blocks [2/1] [_U] unused devices: <none> > > Raid Array Status: > > [dev 9, 1] /dev/md1 0403E3A6.F7F2F6AD.76F1F7FF.76CF2410 online [dev ?, > ?] (unknown) 00000000.00000000.00000000.00000000 missing [dev 22, 2] > /dev/hdc2 0403E3A6.F7F2F6AD.76F1F7FF.76CF2410 good > [dev 9, 3] /dev/md3 0FD423CD.D4C229D1.9321323A.273CDDEB online [dev ?, > ?] (unknown) 00000000.00000000.00000000.00000000 missing [dev 22, 5] > /dev/hdc5 0FD423CD.D4C229D1.9321323A.273CDDEB good > [dev 9, 4] /dev/md4 EC8BAB76.40CC4FA6.C9FB44E3.1A8DE26A online [dev ?, > ?] (unknown) 00000000.00000000.00000000.00000000 missing [dev 22, 6] > /dev/hdc6 EC8BAB76.40CC4FA6.C9FB44E3.1A8DE26A good - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
