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4.2.31 on my Ultra 6 has killed my NAS? Drive is read only and frontview hangs.
So I logged into my Ultra 6 and noticed there was a firmware upgrade available from May 2017! Since I get at least two emails from my NAS every day I assume it should have emailed me about this, but ...
Kern.log extra from yesterday morning's scrub onwards
Sep 18 02:00:24 sleepy kernel: EXT4-fs error (device dm-0): ext4_remount:4252: Abort forced by user Sep 18 02:00:25 sleepy kernel: EXT4-fs (dm-3): INFO: recovery required on readonly filesystem Sep 18 02:00:25 sleepy kernel: EXT4-fs (dm-3): write access will be enabled during recovery Sep 18 02:00:26 sleepy kernel: EXT4-fs warning (device dm-3): ext4_clear_journal_err:4104: Filesystem error recorded from previous mount: IO failure Sep 18 02:00:26 sleepy kernel: EXT4-fs warning (device dm-3): ext4_clear_journal_err:4105: Marking fs in need of filesystem check. Sep 18 02:00:26 sleepy kernel: EXT4-fs (dm-3): recovery complete Sep 18 02:00:26 sleepy kernel: EXT4-fs (dm-3): mounted filesystem with ordered data mode. Opts: acl,user_xattr Sep 18 02:05:27 sleepy kernel: EXT4-fs (dm-3): error count: 11 Sep 18 02:05:27 sleepy kernel: EXT4-fs (dm-3): initial error at 1505383170: ext4_mb_generate_buddy:726 Sep 18 02:05:27 sleepy kernel: EXT4-fs (dm-3): last error at 1505696424: ext4_remount:4252 Sep 18 05:13:37 sleepy kernel: rsync[12335]: segfault at 8 ip 0000000008078e3c sp 00000000ffbb29d0 error 4 in rsync[8048000+56000] Sep 18 07:13:32 sleepy kernel: rsync[13116]: segfault at 8 ip 0000000008078e3c sp 00000000ffbb29d0 error 4 in rsync[8048000+56000] Sep 18 08:42:31 sleepy kernel: EXT4-fs error (device dm-0): ext4_remount:4252: Abort forced by user Sep 18 08:44:38 sleepy kernel: EXT4-fs error (device dm-0): ext4_remount:4252: Abort forced by user Sep 18 09:13:45 sleepy kernel: rsync[13265]: segfault at 8 ip 0000000008078e3c sp 00000000ffbb29d0 error 4 in rsync[8048000+56000] Sep 18 10:43:24 sleepy kernel: EXT4-fs error (device dm-0): ext4_remount:4252: Abort forced by user Sep 18 10:59:57 sleepy kernel: EXT4-fs error (device dm-0): ext4_remount:4252: Abort forced by user Sep 18 11:06:28 sleepy kernel: EXT4-fs (dm-0): error count: 15 Sep 18 11:06:28 sleepy kernel: EXT4-fs (dm-0): initial error at 1505383170: ext4_mb_generate_buddy:726 Sep 18 11:06:28 sleepy kernel: EXT4-fs (dm-0): last error at 1505728797: ext4_remount:4252 Sep 18 11:13:19 sleepy kernel: rsync[13416]: segfault at 8 ip 0000000008078e3c sp 00000000ffbb29d0 error 4 in rsync[8048000+56000] Sep 18 13:00:48 sleepy kernel: EXT4-fs error (device dm-0): ext4_remount:4252: Abort forced by user Sep 18 13:13:42 sleepy kernel: rsync[13566]: segfault at 8 ip 0000000008078e3c sp 00000000ffbb29d0 error 4 in rsync[8048000+56000] Sep 18 14:12:59 sleepy kernel: EXT4-fs error (device dm-0): ext4_remount:4252: Abort forced by user Sep 18 15:13:28 sleepy kernel: rsync[13747]: segfault at 8 ip 0000000008078e3c sp 00000000ffbb29d0 error 4 in rsync[8048000+56000]
Clearly the file system has corruption, you also need to confirm the disk health.
What do you see in disk_smart.log (reallocated, current pending sectors, offline uncorrectable, etc)? Have you gotten any email alerts related to disk health?
redpola wrote: Does anyone have any suggestions beyond "Backup your 12GB data, install OS6 and start again"?
OS-6 would be up to you. You hopefully realize that your data is at risk, so you should be backing up what you can.
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