On 07/12/2018 07:10 AM, Nikolay Borisov wrote:
>
>
> On 10.07.2018 10:04, Pete wrote:
>> I've just had the error in the subject which caused the file system to
>> go read-only.
>>
>> Further part of error message:
>> WARNING: CPU: 14 PID: 1351 at fs/btrfs/extent-tree.c:3076
>> btrfs_run_delayed_refs*0x163/0x190
>>
>> 'Screenshot' here:
>> https://drive.google.com/file/d/1qw7TE1bec8BKcmffrOmg2LS15IOq8Jwc/view?usp=sharing
>>
>> The kernel is 4.17.4. There are three hard drives in the file system.
>> dmcrypt (luks) is used between btrfs and the disks.
>>
>> I'm about to run a scrub. On reboot the disks mounted fine.
>
> Show the output of :
>
> btrfs fi usage /path/to/fs
>
On the hdd system, which recently went ro again:
root@phoenix:~# btrfs fi usage /home_data/
Overall:
Device size: 9.10TiB
Device allocated: 6.38TiB
Device unallocated: 2.71TiB
Device missing: 0.00B
Used: 5.50TiB
Free (estimated): 1.80TiB (min: 1.80TiB)
Data ratio: 2.00
Metadata ratio: 2.00
Global reserve: 512.00MiB (used: 0.00B)
Data,RAID1: Size:3.15TiB, Used:2.71TiB
/dev/mapper/data_disk_1 1.80TiB
/dev/mapper/data_disk_2 1.80TiB
/dev/mapper/data_disk_3 2.70TiB
Metadata,RAID1: Size:42.00GiB, Used:40.56GiB
/dev/mapper/data_disk_1 25.00GiB
/dev/mapper/data_disk_2 26.00GiB
/dev/mapper/data_disk_3 33.00GiB
System,RAID1: Size:64.00MiB, Used:480.00KiB
/dev/mapper/data_disk_1 64.00MiB
/dev/mapper/data_disk_2 32.00MiB
/dev/mapper/data_disk_3 32.00MiB
Unallocated:
/dev/mapper/data_disk_1 926.46GiB
/dev/mapper/data_disk_2 925.49GiB
/dev/mapper/data_disk_3 924.99GiB
root@phoenix:~#
Incidental I've been running out of space on my ssd which contains / and
/home - which I am sorting.
root@phoenix:~# btrfs fi usage /
Overall:
Device size: 350.00GiB
Device allocated: 350.00GiB
Device unallocated: 1.00MiB
Device missing: 0.00B
Used: 324.74GiB
Free (estimated): 23.28GiB (min: 23.28GiB)
Data ratio: 1.00
Metadata ratio: 1.00
Global reserve: 512.00MiB (used: 0.00B)
Data,single: Size:343.00GiB, Used:319.72GiB
/dev/disk/by-label/desk-system 343.00GiB
Metadata,single: Size:6.97GiB, Used:5.02GiB
/dev/disk/by-label/desk-system 6.97GiB
System,single: Size:32.00MiB, Used:64.00KiB
/dev/disk/by-label/desk-system 32.00MiB
Unallocated:
/dev/disk/by-label/desk-system 1.00MiB
root@phoenix:~#
Pete
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