Re: [ceph-users] Debugging fstrim issues

2018-01-29 Thread Nathan Harper
Hi, Thanks all for your quick responses. In my enthusiasm to test I might have been masking the problem, plus not knowing what the output of 'fstrim' should actually show. Firstly, to answer the question, yes I have the relevant libvirt config, plus have set the correct virtio-scsi settings in

Re: [ceph-users] Debugging fstrim issues

2018-01-29 Thread Ric Wheeler
I might have missed something in the question. Fstrim does not free up space at the user level that you see with a normal df. It is meant to let the block device know about all of the space unused by the file system. Regards, Ric On Jan 29, 2018 11:56 AM, "Wido den Hollander" wrote: > > > O

Re: [ceph-users] Debugging fstrim issues

2018-01-29 Thread Wido den Hollander
On 01/29/2018 12:29 PM, Nathan Harper wrote: Hi, I don't know if this is strictly a Ceph issue, but hoping someone will be able to shed some light.   We have an Openstack environment (Ocata) backed onto a Jewel cluster. We recently ran into some issues with full OSDs but couldn't work out

Re: [ceph-users] Debugging fstrim issues

2018-01-29 Thread Janne Johansson
2018-01-29 12:29 GMT+01:00 Nathan Harper : > Hi, > I don't know if this is strictly a Ceph issue, but hoping someone will be > able to shed some light. We have an Openstack environment (Ocata) backed > onto a Jewel cluster. > We recently ran into some issues with full OSDs but couldn't work out

[ceph-users] Debugging fstrim issues

2018-01-29 Thread Nathan Harper
Hi, I don't know if this is strictly a Ceph issue, but hoping someone will be able to shed some light. We have an Openstack environment (Ocata) backed onto a Jewel cluster. We recently ran into some issues with full OSDs but couldn't work out what was filling up the pools. It appears that fstr