December 22, 20223 yr Community Expert Dec 22 01:17:39 Tower kernel: mdcmd (13): import 12 Dec 22 01:17:39 Tower kernel: md: import_slot: 12 missing Dec 22 01:17:39 Tower kernel: mdcmd (14): import 13 Dec 22 01:17:39 Tower kernel: md: import_slot: 13 empty ... Dec 22 01:17:53 Tower kernel: mdcmd (13): import 12 sdn 64 9766436812 0 WDC_WD100EZAZ-11TDBA0_2THUJA1D Dec 22 01:17:53 Tower kernel: md: import disk12: (sdn) WDC_WD100EZAZ-11TDBA0_2THUJA1D size: 9766436812 Dec 22 01:17:53 Tower kernel: mdcmd (14): import 13 Dec 22 01:17:53 Tower kernel: md: import_slot: 13 empty ... Dec 22 10:25:41 Tower kernel: mdcmd (13): import 12 sdn 64 9766436812 0 WDC_WD100EZAZ-11TDBA0_2THUJA1D Dec 22 10:25:41 Tower kernel: md: import disk12: (sdn) WDC_WD100EZAZ-11TDBA0_2THUJA1D size: 9766436812 Dec 22 10:25:41 Tower kernel: mdcmd (14): import 13 sdo 64 9766436812 0 WDC_WD100EZAZ-11TDBA0_JEJE9LDN Dec 22 10:25:41 Tower kernel: md: import disk13: (sdo) WDC_WD100EZAZ-11TDBA0_JEJE9LDN size: 9766436812 Dec 22 10:25:41 Tower kernel: md: import_slot: 13 replaced ... Dec 22 10:26:29 Tower kernel: mdcmd (35): start RECON_DISK ... Dec 22 10:26:33 Tower emhttpd: shcmd (27023): mkdir -p /mnt/disk12 Dec 22 10:26:33 Tower emhttpd: shcmd (27024): mount -t xfs -o noatime,nouuid /dev/md12 /mnt/disk12 Dec 22 10:26:33 Tower kernel: XFS (md12): Metadata CRC error detected at xfs_sb_read_verify+0x11e/0x1aa [xfs], xfs_sb block 0x0 Dec 22 10:26:33 Tower kernel: XFS (md12): Unmount and run xfs_repair Dec 22 10:26:33 Tower kernel: XFS (md12): First 128 bytes of corrupted metadata buffer: Dec 22 10:26:33 Tower kernel: 00000000: 58 46 53 42 00 00 10 00 00 00 00 00 72 75 68 3c XFSB........ruh< Dec 22 10:26:33 Tower kernel: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Dec 22 10:26:33 Tower kernel: 00000020: b2 e6 44 91 eb 28 41 d4 81 8e 5a f8 2c 69 fa 0c ..D..(A...Z.,i.. Dec 22 10:26:33 Tower kernel: 00000030: 00 00 00 00 40 00 00 05 00 00 00 00 00 00 00 80 ....@........... Dec 22 10:26:33 Tower kernel: 00000040: 00 00 00 00 00 00 00 81 00 00 00 00 00 00 00 82 ................ Dec 22 10:26:33 Tower kernel: 00000050: 00 00 00 01 0f ff ff ff 00 00 00 08 00 00 00 00 ................ Dec 22 10:26:33 Tower kernel: 00000060: 00 07 f6 00 b4 b5 02 00 02 00 00 08 00 00 00 00 ................ Dec 22 10:26:33 Tower kernel: 00000070: 00 00 00 00 00 00 00 00 0c 09 09 03 1c 00 00 05 ................ Dec 22 10:26:33 Tower kernel: XFS (md12): SB validate failed with error -74. Dec 22 10:26:33 Tower root: mount: /mnt/disk12: mount(2) system call failed: Structure needs cleaning. Dec 22 10:26:33 Tower root: dmesg(1) may have more information after failed mount system call. Dec 22 10:26:33 Tower emhttpd: shcmd (27024): exit status: 32 Dec 22 10:26:33 Tower emhttpd: /mnt/disk12 mount error: Wrong or no file system Dec 22 10:26:33 Tower emhttpd: shcmd (27025): umount /mnt/disk12 Dec 22 10:26:33 Tower root: umount: /mnt/disk12: not mounted. Dec 22 10:26:33 Tower emhttpd: shcmd (27025): exit status: 32 Dec 22 10:26:33 Tower emhttpd: shcmd (27026): rmdir /mnt/disk12 Dec 22 10:26:33 Tower emhttpd: shcmd (27027): mkdir -p /mnt/disk13 Dec 22 10:26:33 Tower emhttpd: shcmd (27028): mount -t xfs -o noatime,nouuid /dev/md13 /mnt/disk13 Dec 22 10:26:33 Tower root: mount: /mnt/disk13: wrong fs type, bad option, bad superblock on /dev/md13, missing codepage or helper program, or other error. Dec 22 10:26:33 Tower root: dmesg(1) may have more information after failed mount system call. Dec 22 10:26:33 Tower kernel: XFS (md13): Invalid superblock magic number Dec 22 10:26:33 Tower emhttpd: shcmd (27028): exit status: 32 Dec 22 10:26:33 Tower emhttpd: /mnt/disk13 mount error: Wrong or no file system Dec 22 10:26:33 Tower emhttpd: shcmd (27029): umount /mnt/disk13 Dec 22 10:26:33 Tower root: umount: /mnt/disk13: not mounted. Dec 22 10:26:33 Tower emhttpd: shcmd (27029): exit status: 32 Dec 22 10:26:33 Tower emhttpd: shcmd (27030): rmdir /mnt/disk13
December 22, 20223 yr Community Expert It is rebuilding the unmountable filesystems onto the disks. Might as well let it complete then post diagnostics. We will have to try to repair the filesystems after rebuild.
December 23, 20223 yr Author Cool thanks, i will post updates tomorrow after parity build is complete. Much appreciate your help here.
December 23, 20223 yr Community Expert It's very difficult to help if you don't tell us exactly what you are doing, was that UD xfs_repair log from disk13 when it was unassigned?
December 23, 20223 yr Community Expert 15 hours ago, trurl said: It is rebuilding the unmountable filesystems onto the disks 11 hours ago, Socrates said: Cool Not as cool as it might have been if you had repaired the emulated filesystems before overwriting the disks with unmountable filesystems.
December 23, 20223 yr Author 11 hours ago, JorgeB said: It's very difficult to help if you don't tell us exactly what you are doing, was that UD xfs_repair log from disk13 when it was unassigned? let me explain. Disk13 was unassigned, but not disk12 you were asking me for to run xfs repair on disk12 hence i did not move it to unassigned drives. Now the Array build is complete. I have pulled another diag report. Please see attached. tower-diagnostics-20221223-1346.zip
December 23, 20223 yr Author 6 hours ago, trurl said: Not as cool as it might have been if you had repaired the emulated filesystems before overwriting the disks with unmountable filesystems. I think i got confused and missed a few steps and instructions, i have much data on these drives, about 72tb, hence been so confused and scared.
December 23, 20223 yr Author 23 hours ago, trurl said: It is rebuilding the unmountable filesystems onto the disks. Might as well let it complete then post diagnostics. We will have to try to repair the filesystems after rebuild. Can we try a repair? I have checked quite a lot of files and movies in these disks and they all look good. What is the process to repair these two drives? I see some command based options on the forum, how do i find the drive names as mentioned here (sdd1) or is there a GUI based repair option? Reboot, force an XFS_Repair of the new drive (/dev/sdd) with: xfs_repair -L /dev/sdd1
December 23, 20223 yr Community Expert Your ideas about filesystem repair are a little bit off for array disks. Let me check diagnostics.
December 23, 20223 yr Community Expert We will take them one at a time. Check filesystem on disk12 from the webUI. Capture output and post it.
December 23, 20223 yr Author 38 minutes ago, trurl said: We will take them one at a time. Check filesystem on disk12 from the webUI. Capture output and post it. Here it is Quote Phase 1 - find and verify superblock... bad primary superblock - bad CRC in superblock !!! attempting to find secondary superblock... 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December 24, 20223 yr Community Expert 14 hours ago, Socrates said: let me explain. Disk13 was unassigned, but not disk12 OK, and I asked: Quote Did you unassign the disk? Which disk is this one? And you never replied. If you haven't rebooted since last diags, stop the array and post the output of (including the commands): xfs_repair -v /dev/sdn1 and xfs_repair -v /dev/sdo1
April 19, 20233 yr Author I just wanted to report back here. This issue has been resolved. I was able to add the unsupported disks back to the array and mount the disk without running any checks. The filesystem is back online, and no files on the drives are lost or curropt.
April 21, 20233 yr Community Expert On 12/23/2022 at 2:51 PM, Socrates said: i have much data on these drives, about 72tb, hence been so confused and scared. You must always have another copy of anything important and irreplaceable. Parity is not a backup.
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