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Cache read only till reboot


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Hello,

 

I got some problems yesterday evening.

First my NVME Cache went Read Only. I copied all the files to my Array and wanted to reformat it from BTRFS in to XFS.

My Array did not stop so I forced a reboot with sudo reboot -f

After the reboot my Cache started working fine again :D

I see some errors related to my OS flash drive, but I dont know what to do with them.

How bad is this error? Everything seems to run fine at the moment.

 

I read a lot of posts that BTRFS works really bad on NVME and gets easily corrupt. Is this true?

Should I reformat my cache? With Sata SSD Cache I had no problems in 3 years.

 

Cache error log before reboot:

Quote

Jan 11 21:20:54 unraid nginx: 2024/01/11 21:20:54 [error] 10117#10117: *3212683 upstream prematurely closed connection while reading response header from upstream, client: 192.168.178.110, server: , request: "GET /logterminal/jellyfin.log/ws HTTP/1.1", upstream: "http://unix:/var/tmp/jellyfin.log.sock:/ws", host: "192.168.178.200"

Jan 11 21:21:15 unraid kernel: loop: Write error at byte offset 93716480, length 4096.

Jan 11 21:21:15 unraid kernel: loop: Write error at byte offset 40042496, length 4096.

Jan 11 21:21:15 unraid kernel: I/O error, dev loop2, sector 183040 op 0x1:(WRITE) flags 0x1800 phys_seg 20 prio class 2

Jan 11 21:21:15 unraid kernel: I/O error, dev loop2, sector 78208 op 0x1:(WRITE) flags 0x1800 phys_seg 20 prio class 2

Jan 11 21:21:15 unraid kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0

Jan 11 21:21:15 unraid kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0

Jan 11 21:21:15 unraid kernel: BTRFS: error (device loop2) in btrfs_commit_transaction:2494: errno=-5 IO failure (Error while writing out transaction)

 

OS Flash error:

Quote

Jan 12 02:14:18 unraid kernel: critical medium error, dev sda, sector 59595752 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2

Jan 12 02:14:18 unraid kernel: sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=0s

Jan 12 02:14:18 unraid kernel: sd 0:0:0:0: [sda] tag#0 Sense Key : 0x3 [current] 

Jan 12 02:14:18 unraid kernel: sd 0:0:0:0: [sda] tag#0 ASC=0x11 ASCQ=0x0 

Jan 12 02:14:18 unraid kernel: sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 03 8d 5d e0 00 00 40 00

Jan 12 02:14:18 unraid kernel: critical medium error, dev sda, sector 59596256 op 0x0:(READ) flags 0x80700 phys_seg 7 prio class 2

Jan 12 02:14:18 unraid kernel: sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=0s

Jan 12 02:14:18 unraid kernel: sd 0:0:0:0: [sda] tag#0 Sense Key : 0x3 [current] 

Jan 12 02:14:18 unraid kernel: sd 0:0:0:0: [sda] tag#0 ASC=0x11 ASCQ=0x0 

Jan 12 02:14:18 unraid kernel: sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 03 8d 5d 60 00 00 08 00

Jan 12 02:14:18 unraid kernel: critical medium error, dev sda, sector 59596128 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2

 

Another error I cant fix:

Quote

ca.update.applications/scripts/updateApplications.php >/dev/null 2>&1

Jan 12 08:34:01 unraid crond[1860]: failed parsing crontab for user root: Invalid frequency setting of  /usr/local/emhttp/plugins/ca.update.applications/scripts/updateApplications.php >/dev/null 2>&1

 

unraid-diagnostics-20240112-0902.zip

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29 minutes ago, Pascal51882 said:

Jan 11 21:21:15 unraid kernel: I/O error, dev loop2, sector 183040 op 0x1:(WRITE) flags 0x1800 phys_seg 20 prio class 2

Jan 11 21:21:15 unraid kernel: I/O error, dev loop2, sector 78208 op 0x1:(WRITE) flags 0x1800 phys_seg 20 prio class 2

Jan 11 21:21:15 unraid kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0

Jan 11 21:21:15 unraid kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0

Jan 11 21:21:15 unraid kernel: BTRFS: error (device loop2) in btrfs_commit_transaction:2494: errno=-5 IO failure (Error while writing out

These are about the docker image, you can recreate it.

 

30 minutes ago, Pascal51882 said:

Jan 12 02:14:18 unraid kernel: critical medium error, dev sda, sector 59595752 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2

If these continue you should replace the flash drive, or at least try to re-format it to see if it helps.

 

 

 

 

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