Hallo,
mein TS-869 Pro Firmaware 4.2.1 mit 8x 3TB Seagate ST3000NC000 CE02 hat innerhalb eines Tages 2 Platten mit Anomal rausgeworfen.
Leider kam noch ein Stromausfall mit 3,5 Stunden (Murphys Law) erschwerend dazu. Nach dem Neustart war das Volume nicht mehr sichtbar.
Mit diversen Abfragen bekomme ich Fehler beim Partitiontable, Superblock,..
Output aus dmesg
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md/raid:md0: device sdj3 operational as raid disk 7[ 4231.235479] md/raid:md0: device sdi3 operational as raid disk 6[ 4231.235484] md/raid:md0: device sdh3 operational as raid disk 5[ 4231.235488] md/raid:md0: device sde3 operational as raid disk 4[ 4231.235493] md/raid:md0: device sdd3 operational as raid disk 3[ 4231.235497] md/raid:md0: device sdc3 operational as raid disk 2[ 4231.235502] md/raid:md0: device sdb3 operational as raid disk 1[ 4231.235506] md/raid:md0: device sda3 operational as raid disk 0[ 4231.255018] md/raid:md0: allocated 136320kB[ 4231.255119] md/raid:md0: raid level 6 active with 8 out of 8 devices, algorithm 2[ 4231.255125] RAID conf printout:[ 4231.255128] --- level:6 rd:8 wd:8[ 4231.255133] disk 0, o:1, dev:sda3[ 4231.255137] disk 1, o:1, dev:sdb3[ 4231.255141] disk 2, o:1, dev:sdc3[ 4231.255145] disk 3, o:1, dev:sdd3[ 4231.255149] disk 4, o:1, dev:sde3[ 4231.255153] disk 5, o:1, dev:sdh3[ 4231.255157] disk 6, o:1, dev:sdi3[ 4231.255161] disk 7, o:1, dev:sdj3[ 4231.262009] created bitmap (22 pages) for device md0[ 4231.278155] md0: bitmap initialized from disk: read 2/2 pages, set 44689 of 44689 bits[ 4231.706381] md0: detected capacity change from 0 to 17993916481536[ 4371.513259] md0: unknown partition table[ 6975.993722] EXT4-fs (md0): bad geometry: block count 4393046304 exceeds size of device (4393046016 blocks)[ 7117.057149] EXT3-fs (md0): error: couldn't mount because of unsupported optional features (2c0)
Output von mdstat
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cat /proc/mdstatPersonalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath]md0 : active raid6 sdj3[7] sdi3[6] sdh3[5] sde3[4] sdd3[3] sdc3[2] sdb3[1] sda3[0] 17572184064 blocks super 1.0 level 6, 512k chunk, algorithm 2 [8/8] [UUUUUUUU] bitmap: 0/22 pages [0KB], 65536KB chunkmd256 : active raid1 sdj2[5](S) sdi2[7](S) sdh2[6](S) sde2[4](S) sdd2[3](S) sdc2[2](S) sdb2[1] sda2[0] 530112 blocks super 1.0 [2/2] [UU] bitmap: 0/1 pages [0KB], 65536KB chunkmd13 : active raid1 sdj4[4] sdi4[7] sdh4[6] sda4[0] sde4[5] sdd4[3] sdc4[2] sdb4[1] 458880 blocks [8/8] [UUUUUUUU] bitmap: 2/57 pages [8KB], 4KB chunkmd9 : active raid1 sdj1[4] sdi1[7] sdh1[6] sda1[0] sde1[5] sdd1[3] sdc1[2] sdb1[1] 530048 blocks [8/8] [UUUUUUUU] bitmap: 2/65 pages [8KB], 4KB chunkunused devices: <none>
Output Mount
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mount /dev/md0 /share/MD0_DATA -t ext4mount: wrong fs type, bad option, bad superblock on /dev/md0, missing codepage or other error In some cases useful info is found in syslog - try dmesg | tail or so
Leider habe ich nichts passendes zur chunk size gefunden, bei mir 512K die meisten schreiben aber 64K.
Noch ein Output
Code
e2fsck_64 -y -C 0 /dev/md0
e2fsck 1.42.13 (17-May-2015)
ext2fs_check_desc: Corrupt group descriptor: bad block for inode bitmap
e2fsck_64: Group descriptors look bad... trying backup blocks...
e2fsck_64: Bad magic number in super-block while using the backup blockse2fsck_64: going back to original superblock
Superblock has an invalid journal (inode 8).
*** ext3 journal has been deleted - filesystem is now ext2 only ***
The filesystem size (according to the superblock) is 4393046304 blocks
The physical size of the device is 4393046016 blocks
Either the superblock or the partition table is likely to be corrupt!
Volume1: ***** FILE SYSTEM WAS MODIFIED *****
Alles anzeigen
Auffällig ist auch das zB. die mdadm.conf leer ist.
Lohnt es sich weiter zu machen da ich das Volume sehe aber nicht mounten kann?