Re: No space left on device (28)

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

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

Greets,
Stefan