Re: No space left on device (28)

[Stefan Priebe - Profihost AG <s.priebe@profihost.ag>]

Hi Josef,


Am 26.03.2013 14:30, schrieb Josef Bacik:
> On Tue, Mar 26, 2013 at 06:55:23AM -0600, Stefan Priebe - Profihost AG wrote:
>> Hi Josef,
>>
>> Am 26.03.2013 13:53, schrieb Josef Bacik:
>>> On Tue, Mar 26, 2013 at 01:45:42AM -0600, Stefan Priebe wrote:
>>>> Hi,
>>>>
>>>> output here:
>>>> [  590.546162] returning enospc, space_info 3, size 0 reserved 0, flush 
>>>> 2, flush_state 7  dumping space info
>>>> [  590.548280] space_info 4 has 6439292928 free, is full
>>>> [  590.548283] space_info total=25748307968, used=19308916736, pinned=0, 
>>>> reserved=32768, may_use=6438354944, readonly=65536
>>>> [  590.550147] returning enospc, space_info 3, size 0 reserved 0, flush 
>>>> 2, flush_state 7  dumping space info
>>>> [  590.552264] space_info 4 has 6439284736 free, is full
>>>> [  590.552267] space_info total=25748307968, used=19308916736, pinned=0, 
>>>> reserved=40960, may_use=6438354944, readonly=65536
>>>> [  590.554141] returning enospc, space_info 3, size 0 reserved 0, flush 
>>>> 2, flush_state 7  dumping space info
>>>> [  590.556258] space_info 4 has 6439284736 free, is full
>>>> [  590.556261] space_info total=25748307968, used=19308916736, pinned=0, 
>>>> reserved=40960, may_use=6438354944, readonly=65536
>>>> [  591.145255] returning enospc, space_info 3, size 0 reserved 0, flush 
>>>> 2, flush_state 7  dumping space info
>>>> [  591.147373] space_info 4 has 6439235584 free, is full
>>>> [  591.147375] space_info total=25748307968, used=19308916736, pinned=0, 
>>>> reserved=90112, may_use=6438354944, readonly=65536
>>>> [  595.560257] returning enospc, space_info 3, size 0 reserved 0, flush 
>>>> 2, flush_state 7  dumping space info
>>>> [  595.562390] space_info 4 has 6439120896 free, is full
>>>> [  595.562393] space_info total=25748307968, used=19309047808, pinned=0, 
>>>> reserved=73728, may_use=6438297600, readonly=65536
>>>>
>>>
>>> Weird, we have all the flushing stuff set and yet there is still a whole lot of
>>> outstanding reservations.  Do you have compression enabled?  Thanks,
>>
>> no - it's just mounted with mount -o noatime
>>
>> :~# cat /proc/mounts | grep btrfs
>> /dev/mapper/raid54tb1 /mnt btrfs rw,noatime,space_cache 0 0
>>
> 
> Ok I think I see what's going on.  Can you try this patch and see if it fixes
> it?  Thanks,

It still does not fix the problem.

The rsync output looks like this so it does not work for file a but then
continues on c d e, ...

sync -av --progress /backup/ /mnt/
sending incremental file list
.etc_openvpn/ipp.txt
         229 100%    3.99kB/s    0:00:00 (xfer#2, to-check=1009/1196)
.etc_openvpn/openvpn-status.log
         360 100%    6.28kB/s    0:00:00 (xfer#3, to-check=1007/1196)
rsync: rename "/mnt/.etc_openvpn/.ipp.txt.t9lucX" ->
".etc_openvpn/ipp.txt": No space left on device (28)
.log/
.log/UcliEvt.log
      104188 100%  147.67kB/s    0:00:00 (xfer#4, to-check=1131/2700)
.log/auth.log
    15211522 100%    2.97MB/s    0:00:04 (xfer#5, to-check=1105/2700)
.log/auth.log.1
    19431424  61%    7.35MB/s    0:00:01

the dmesg output looks like this:
[  551.321576] returning enospc, space_info 3, size 0 reserved 0, flush
2, flush_state 7  dumping space info
[  551.323694] space_info 4 has 6439526400 free, is full
[  551.323696] space_info total=25748307968, used=19308666880, pinned=0,
reserved=49152, may_use=6438453248, readonly=65536

Stefan