[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
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howtos:misc:software_raid_troubleshoot_howto [2016/11/27 11:50 (UTC)] – [Sources] wisedraco | howtos:misc:software_raid_troubleshoot_howto [2016/11/27 12:23 (UTC)] – [Useful commands in this case] wisedraco | ||
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<!-- Add your text below. We strongly advise to start with a Headline (see button bar above). --> | <!-- Add your text below. We strongly advise to start with a Headline (see button bar above). --> | ||
+ | |||
====== Software RAID troubleshoot ====== | ====== Software RAID troubleshoot ====== | ||
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i be done with system, who,after lilo menu,\\ | i be done with system, who,after lilo menu,\\ | ||
write " | write " | ||
+ | \\ | ||
and then stops completely - nothing more.\\ | and then stops completely - nothing more.\\ | ||
+ | \\ | ||
Initial configuration was:\\ | Initial configuration was:\\ | ||
Intel DG965SS motherboard, | Intel DG965SS motherboard, | ||
2 x 1000 Gb Seagate SATA HDD ( as sda and sdb)\\ | 2 x 1000 Gb Seagate SATA HDD ( as sda and sdb)\\ | ||
ST1000DM003-1CH1\\ | ST1000DM003-1CH1\\ | ||
- | , dvd-writer on sata4 port | + | dvd-writer on sata4 port |
both seagate discs is partitioned as FD type ( linux autodetect raid) and 4 partitions ( mbr type) - | both seagate discs is partitioned as FD type ( linux autodetect raid) and 4 partitions ( mbr type) - | ||
- | * 100 Gb root (md1) | + | |
- | * 2 Gb swap (md2) | + | * 2 Gb swap (md2) |
- | * 350 Gb /home (md3) | + | * 350 Gb /home (md3) |
- | * 550 Gb /Second (md4) | + | * 550 Gb /Second (md4) |
+ | \\ | ||
+ | \\ | ||
cat / | cat / | ||
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unused devices: < | unused devices: < | ||
</ | </ | ||
+ | \\ | ||
+ | \\ | ||
mdadm -Es : | mdadm -Es : | ||
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====== Useful commands in this case ====== | ====== Useful commands in this case ====== | ||
+ | < | ||
mdadm -Es | mdadm -Es | ||
+ | </ | ||
+ | |||
+ | < | ||
mdadm -As | mdadm -As | ||
+ | </ | ||
+ | < | ||
mdadm -D /dev/md127 | mdadm -D /dev/md127 | ||
+ | </ | ||
+ | |||
+ | < | ||
mdadm -Db /dev/md127 | mdadm -Db /dev/md127 | ||
+ | </ | ||
+ | < | ||
lsscsi | lsscsi | ||
+ | </ | ||
+ | |||
+ | < | ||
cat / | cat / | ||
+ | </ | ||
+ | |||
+ | < | ||
ls / | ls / | ||
+ | </ | ||
+ | < | ||
dmesg |grep md | dmesg |grep md | ||
+ | </ | ||
+ | < | ||
chroot /mnt/hd /sbin/lilo -v 3 | chroot /mnt/hd /sbin/lilo -v 3 | ||
+ | </ | ||
+ | < | ||
mdadm --stop /dev/md127 | mdadm --stop /dev/md127 | ||
+ | </ | ||
kernel options: | kernel options: | ||
+ | < | ||
+ | $kernelname raid=noautodetect md=1, / | ||
+ | </ | ||