[BTRFS Cache Pool "corruption_errs" - advice?]

Thanks for the quick reply. My Metadata and System was "single", rebalanced to RAID1 now.

root@tower:~# btrfs scrub status /dev/sdb1
scrub status for f58a539b-5b41-4497-a98f-16eb6fbf48fc
        no stats available
        total bytes scrubbed: 0.00B with 0 errors

root@tower:~# btrfs fi usage -T /mnt/cache
Overall:
...<snipped>...
             Data      Data      Metadata   System
Id Path      single    RAID1     single     single    Unallocated

root@tower:~# btrfs balance start -mconvert=raid1 /mnt/cache
Done, had to relocate 5 out of 870 chunks

root@tower:~# btrfs fi usage -T /mnt/cache
Overall:
...<snipped>...
             Data      Data      Metadata   System
Id Path      single    RAID1     RAID1      RAID1     Unallocated

My corruption_errs count is unchanged unfortunately.

root@tower:~# btrfs dev stats /mnt/cache
[/dev/sdb1].write_io_errs    0
[/dev/sdb1].read_io_errs     0
[/dev/sdb1].flush_io_errs    0
[/dev/sdb1].corruption_errs  67
[/dev/sdb1].generation_errs  0

I'll plan for re-creating the cache and see if that helps.

 

Thanks again, I didn't even realize my Metadata and System weren't in RAID1. That could have been a catastrophe!

[BTRFS Cache Pool "corruption_errs" - advice?]

Hello, I am on Unraid 6.6.7 with 4 SSDs in my cache pool.

 

One of my devices has corruption_errs, and I would like advice on what I should do. Do I need to replace the drive?

root@tower:~# btrfs dev stats /mnt/cache
[/dev/sdb1].write_io_errs    0
[/dev/sdb1].read_io_errs     0
[/dev/sdb1].flush_io_errs    0
[/dev/sdb1].corruption_errs  67
[/dev/sdb1].generation_errs  0
[/dev/sdc1].write_io_errs    0
...

 

Some additional information about my cache pool:

root@tower:~# btrfs fi show /mnt/cache
Label: none  uuid: f58a539b-5b41-4497-a98f-16eb6fbf48fc
        Total devices 4 FS bytes used 734.32GiB
        devid    1 size 476.94GiB used 197.02GiB path /dev/sdb1
        devid    2 size 223.57GiB used 0.00B path /dev/sdc1
        devid    3 size 953.87GiB used 673.00GiB path /dev/sde1
        devid    4 size 953.87GiB used 673.03GiB path /dev/sdd1

root@tower:~# btrfs fi df /mnt/cache
Data, RAID1: total=676.00GiB, used=671.49GiB
Data, single: total=188.01GiB, used=61.84GiB
System, single: total=32.00MiB, used=144.00KiB
Metadata, single: total=3.01GiB, used=1012.19MiB
GlobalReserve, single: total=512.00MiB, used=0.00B

root@tower:~# btrfs fi usage /mnt/cache
Overall:
    Device size:                   2.55TiB
    Device allocated:              1.51TiB
    Device unallocated:            1.04TiB
    Device missing:                  0.00B
    Used:                          1.37TiB
    Free (estimated):            673.47GiB      (min: 608.45GiB)
    Data ratio:                       1.78
    Metadata ratio:                   1.00
    Global reserve:              512.00MiB      (used: 0.00B)

Data,single: Size:188.01GiB, Used:61.84GiB
   /dev/sdb1     188.01GiB

Data,RAID1: Size:676.00GiB, Used:671.49GiB
   /dev/sdb1       7.00GiB
   /dev/sdd1     673.00GiB
   /dev/sde1     672.00GiB

Metadata,single: Size:3.01GiB, Used:1012.19MiB
   /dev/sdb1       2.01GiB
   /dev/sde1       1.00GiB

System,single: Size:32.00MiB, Used:144.00KiB
   /dev/sdd1      32.00MiB

Unallocated:
   /dev/sdb1     279.92GiB
   /dev/sdc1     223.57GiB
   /dev/sdd1     280.84GiB
   /dev/sde1     280.87GiB

 

The reason I found this was from going through this post, which triggered me to run "btrfs dev stats" command.

 

Here is a screenshot from the WebGUI.

 

Any suggestions would be greatly appreciated!

[Unraid Forum 100K Giveaway]

What I like most:

Runs from USB stick, making it VERY easy to backup and recover if something goes wrong.

 

What I would like to see in 2020:

More powerful VM editor. Current one overwrites custom XML edits.

[SMB shares disconnects unnecessarily?]

Hello, I'm pretty new to Unraid. I've been using it for 4 days and just purchased it.

 

I am noticing a problem with SMB and wonder if others are encountering it.

 

Specifically, if I do anything with users or shares it seems like the SMB service is fully restarted. This is causing my SMB clients to disconnect and get interrupted (e.g. I'm copying files to a SMB share). Most recently, I was just updating the photo on a user, and when I hit save my SMB transfers were interrupted and I had to restart them.

 

Is it possible to change that behaviour, so that changes to users and shares trigger a "smbcontrol all reload-config" instead of a full restart?

 

Thanks! Other than that, I'm really enjoying Unraid.