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Unmountable: No file system (Solved)


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Hello,

 

I woke to this message from my server this morning, it runs 24/7 so there was no unsafe shutdown etc.

 

I also have some messages in Fix Common problems about failing to write to two other drives which seem to be running ok.

 

image.thumb.png.8d4925c79ea1beef6e63986e7eb4ba18.png

 

Running Unraid 6.7.2.

 

Any help gratefully received.

 

Thank you.

 

Adam

server-diagnostics-20200202-0911.zip

image.png

Edited by AngelEyes
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There were read errors on disks 10 and 12, and both look like an actual disk problem, though possibly an intermittent one, since disk3 is disable it can't be emulated correctly with errors on more disks, hence the filesystem corruption, reboot to clear the errors and check file system on the emulated disk3, check if there are more read errors on the other disks.

 

Even if there are no more errors for now on those disks I would recommend using a new disk to rebuild disk3, in case it happens again resulting in a corrupt rebuild.

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More read errors on disks 10 and 12, run an extended SMART test on both, not possible to fix the filessytem or rebuild disk3 while these errors persist.

 

There are also errors with disk3, but these look like a connection problem, check/replace cables, or if you're plan to rebuild to a new disk disconnect it.

 

 

 

 

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OK, disks appear to be fine but you're still having controller issues, disk12 dropped offline:

 

Feb  4 08:30:03 Server kernel: ata3: SATA link down (SStatus 0 SControl 310)
Feb  4 08:30:03 Server kernel: ata3.00: disabled

And still read errors on disk10, replace/swap cables on both disks 10 and 12, preferably connected to a different controller.

 

Also

On 2/2/2020 at 12:02 PM, johnnie.black said:

There are also errors with disk3, but these look like a connection problem, check/replace cables, or if you're plan to rebuild to a new disk disconnect it.

 

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15 minutes ago, AngelEyes said:

Is there a way to see quickly that the connection is a problem?

Best way it to replace/swap cables to rule them out, this case is kind of strange that errors on both disks are logged like an actual disk problem, but according to the SMART tests it's not.

 

16 minutes ago, AngelEyes said:

Also, how do identify which disk is which physically? Just remove them and check serial number?

It's good to know which disk is which by where they are in the case, but if you don't know yes, you need to check the serial numbers.

 

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Read errors on disks 10 and 12 appear to be resolved, at least for now, you need to check filesystem on the emulated disk3:

 

https://wiki.unraid.net/Check_Disk_Filesystems#Checking_and_fixing_drives_in_the_webGui

 

Remove -n or nothing will be done and if it asks for -L use it.

 

If after that emulated disk3 mounts check that contents look correct, also look for lost+found folder for any partial or lost files, if all looks good next step is to rebuild the disk, old disk3 looks fine and problem was most likely cable related, but if possible I would recommend rebuilding to a new disk just in case something goes wrong during the rebuild, with the new cables there were no errors on boot, but there could still be during the rebuild, which is much more i/o intensive.

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Hi,

 

It seemed to need to move a lot to lost+found, should I try to mount it?

 

Phase 1 - find and verify superblock...
Phase 2 - using internal log
        - zero log...
        - scan filesystem freespace and inode maps...
out-of-order cnt btree record 2 (2337603 6) block 2/1
out-of-order cnt btree record 8 (112371903 5681) block 2/1
out-of-order cnt btree record 9 (58051330 487331) block 2/1
out-of-order cnt btree record 10 (59395320 1232111) block 2/1
out-of-order cnt btree record 11 (11282207 14058) block 2/1
invalid length 16012 in record 12 of cnt btree block 2/1
out-of-order cnt btree record 13 (65090439 24189) block 2/1
out-of-order cnt btree record 14 (73005734 278253) block 2/1
out-of-order cnt btree record 15 (76268660 277824) block 2/1
out-of-order cnt btree record 16 (74523991 52005) block 2/1
out-of-order cnt btree record 17 (119192546 1043443) block 2/1
out-of-order cnt btree record 19 (58910657 11037649) block 2/1
block (2,60009375-60009375) multiply claimed by cnt space tree, state - 2
block (2,65090466-65090466) multiply claimed by cnt space tree, state - 2
out-of-order cnt btree record 20 (5589277 10835157) block 2/1
block (2,11248432-11248432) multiply claimed by cnt space tree, state - 7
block (2,11282276-11282276) multiply claimed by cnt space tree, state - 2
out-of-order cnt btree record 22 (26107066 461) block 2/1
out-of-order cnt btree record 23 (26137120 196) block 2/1
out-of-order cnt btree record 24 (3006250 1479) block 2/1
agf_freeblks 14913719, counted 50299413 in ag 2
agf_longest 10794676, counted 11949980 in ag 2
agf_freeblks 23160413, counted 23160363 in ag 0
agf_freeblks 16470, counted 123049 in ag 1
agf_freeblks 1479880, counted 1479752 in ag 3
agf_freeblks 24190093, counted 24190128 in ag 7
agi_freecount 60, counted 37 in ag 2
agi_freecount 60, counted 37 in ag 2 finobt
agi_freecount 111, counted 96 in ag 7
agi_freecount 111, counted 96 in ag 7 finobt
agi_freecount 64, counted 63 in ag 0
agi_freecount 64, counted 63 in ag 0 finobt
agi_freecount 78, counted 68 in ag 1
agi_freecount 78, counted 68 in ag 1 finobt
agi_freecount 25, counted 36 in ag 3
agi_freecount 25, counted 36 in ag 3 finobt
sb_ifree 733, counted 763
sb_fdblocks 188439944, counted 219963766
        - found root inode chunk
Phase 3 - for each AG...
        - scan and clear agi unlinked lists...
        - process known inodes and perform inode discovery...
        - agno = 0
Bad ctime nsec 1012814891 on inode 100, resetting to zero
imap claims a free inode 101 is in use, correcting imap and clearing inode
cleared inode 101
imap claims a free inode 103 is in use, correcting imap and clearing inode
cleared inode 103
Bad ctime nsec 1037099873 on inode 107, resetting to zero
Bad ctime nsec 1037265133 on inode 122, resetting to zero
        - agno = 1
Bad mtime nsec 1046438165 on inode 1073741921, resetting to zero
data fork in ino 1749280503 claims free block 342959447
data fork in ino 1749280506 claims free block 353058787
data fork in ino 1749280506 claims free block 353058788
data fork in ino 1749280506 claims free block 353517899
data fork in ino 1749280506 claims free block 353517900
        - agno = 2
corrected directory 2149391474 size, was 207, now 78
Bad ctime nsec 1029773995 on inode 2149391479, resetting to zero
data fork in ino 2149394521 claims free block 269494593
data fork in ino 2149394526 claims free block 270773059
data fork in ino 2149394526 claims free block 271441706
data fork in ino 2149394526 claims free block 274024733
data fork in ino 2156096933 claims free block 326486786
data fork in ino 2156096933 claims free block 327830776
data fork in ino 2156096933 claims free block 327830777
data fork in ino 2156096933 claims free block 332151002
data fork in ino 2156096933 claims free block 332151003
data fork in ino 2156097306 claims free block 333525895
data fork in ino 2156097306 claims free block 333525896
data fork in ino 2156124920 claims free block 327346113
data fork in ino 2228743995 claims free block 282312399
data fork in ino 2228743995 claims free block 282312400
data fork in ino 2228743995 claims free block 284515493
data fork in ino 2228743995 claims free block 284515494
data fork in ino 2237471045 claims free block 294542522
data fork in ino 2237471045 claims free block 294572576
data fork in ino 2237471050 claims free block 279717663
data fork in ino 2237471050 claims free block 279717664
data fork in ino 2237471051 claims free block 279683889
        - agno = 3
Bad ctime nsec 1044474694 on inode 3221225583, resetting to zero
        - agno = 4
        - agno = 5
        - agno = 6
        - agno = 7
bad inode format in inode 7516192865
Bad mtime nsec 1022742958 on inode 7516192864, resetting to zero
corrected directory 7516192864 size, was 276, now 268
bogus .. inode number (433791696992) in directory inode 7516192864, clearing inode number
bad inode format in inode 7516192865
cleared inode 7516192865
        - agno = 8
        - agno = 9
        - agno = 10
        - agno = 11
        - process newly discovered inodes...
Phase 4 - check for duplicate blocks...
        - setting up duplicate extent list...
        - check for inodes claiming duplicate blocks...
        - agno = 0
        - agno = 2
        - agno = 7
        - agno = 3
        - agno = 5
        - agno = 6
        - agno = 10
        - agno = 8
entry "PLAYLIST" in shortform directory 6442451040 references free inode 101
junking entry "PLAYLIST" in directory inode 6442451040
        - agno = 1
entry "BDMV" in shortform directory 6442451041 references free inode 7516192865
junking entry "BDMV" in directory inode 6442451041
corrected i8 count in directory 6442451041, was 2, now 1
        - agno = 9
        - agno = 11
        - agno = 4
entry ".." at block 0 offset 80 in directory inode 102 references free inode 7516192865
corrected i8 count in directory 7516192864, was 10, now 9
bogus .. inode number (0) in directory inode 7516192864, entry ".." at block 0 offset 80 in directory inode 11811160161 references free inode 7516192865
clearing inode number
entry ".." at block 0 offset 80 in directory inode 4294967394 references free inode 7516192865
entry "10000" in shortform directory 1182777507 references free inode 103
junking entry "10000" in directory inode 1182777507
entry ".." at block 0 offset 80 in directory inode 3573508162 references free inode 7516192865
Phase 5 - rebuild AG headers and trees...
        - reset superblock...
Phase 6 - check inode connectivity...
        - resetting contents of realtime bitmap and summary inodes
        - traversing filesystem ...
entry ".." in directory inode 102 points to free inode 7516192865
bad hash table for directory inode 102 (no data entry): rebuilding
rebuilding directory inode 102
entry ".." in directory inode 3573508162 points to free inode 7516192865
bad hash table for directory inode 3573508162 (no data entry): rebuilding
rebuilding directory inode 3573508162
entry "ANY!" in dir ino 4294967392 doesn't have a .. entry, will set it in ino 7516192864.
entry ".." in directory inode 4294967394 points to free inode 7516192865
bad hash table for directory inode 4294967394 (no data entry): rebuilding
rebuilding directory inode 4294967394
entry ".." in directory inode 11811160161 points to free inode 7516192865
bad hash table for directory inode 11811160161 (no data entry): rebuilding
rebuilding directory inode 11811160161
setting .. in sf dir inode 7516192864 to 4294967392
Metadata corruption detected at 0x46217c, inode 0x1c0000060 data fork
xfs_repair: warning - iflush_int failed (-117)
        - traversal finished ...
        - moving disconnected inodes to lost+found ...
disconnected dir inode 102, moving to lost+found
disconnected inode 115, moving to lost+found
disconnected inode 116, moving to lost+found
disconnected inode 117, moving to lost+found
disconnected inode 118, moving to lost+found
disconnected inode 119, moving to lost+found
disconnected inode 120, moving to lost+found
disconnected inode 121, moving to lost+found
disconnected inode 122, moving to lost+found
disconnected inode 123, moving to lost+found
disconnected inode 124, moving to lost+found
disconnected inode 125, moving to lost+found
disconnected inode 126, moving to lost+found
disconnected inode 127, moving to lost+found
disconnected inode 128, moving to lost+found
disconnected inode 129, moving to lost+found
disconnected inode 130, moving to lost+found
disconnected inode 131, moving to lost+found
disconnected inode 132, moving to lost+found
disconnected inode 133, moving to lost+found
disconnected inode 134, moving to lost+found
disconnected inode 135, moving to lost+found
disconnected inode 136, moving to lost+found
disconnected inode 137, moving to lost+found
disconnected inode 138, moving to lost+found
disconnected inode 139, moving to lost+found
disconnected inode 140, moving to lost+found
disconnected inode 141, moving to lost+found
disconnected inode 142, moving to lost+found
disconnected inode 143, moving to lost+found
disconnected inode 144, moving to lost+found
disconnected inode 145, moving to lost+found
disconnected inode 146, moving to lost+found
disconnected inode 147, moving to lost+found
disconnected inode 148, moving to lost+found
disconnected inode 149, moving to lost+found
disconnected inode 150, moving to lost+found
disconnected inode 151, moving to lost+found
disconnected inode 152, moving to lost+found
disconnected inode 153, moving to lost+found
disconnected inode 154, moving to lost+found
disconnected inode 155, moving to lost+found
disconnected inode 156, moving to lost+found
disconnected inode 157, moving to lost+found
disconnected inode 717352277, moving to lost+found
disconnected inode 717352278, moving to lost+found
disconnected dir inode 1182777507, moving to lost+found
disconnected inode 2149391479, moving to lost+found
disconnected inode 2149391480, moving to lost+found
disconnected inode 2149391481, moving to lost+found
disconnected dir inode 3119473582, moving to lost+found
disconnected dir inode 3573508162, moving to lost+found
disconnected dir inode 4294967394, moving to lost+found
disconnected inode 7516192888, moving to lost+found
disconnected inode 7516192889, moving to lost+found
disconnected inode 7516192890, moving to lost+found
disconnected dir inode 9663676513, moving to lost+found
disconnected dir inode 10737418337, moving to lost+found
disconnected dir inode 11811160161, moving to lost+found
Phase 7 - verify and correct link counts...
resetting inode 101 nlinks from 2 to 10
resetting inode 6442451040 nlinks from 7 to 6
resetting inode 1073741920 nlinks from 6 to 1
resetting inode 6442451041 nlinks from 4 to 3
resetting inode 1073741921 nlinks from 0 to 1
resetting inode 1182777507 nlinks from 10 to 9
Maximum metadata LSN (1:412401) is ahead of log (1:411757).
Format log to cycle 4.
done

 

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