Re: [lustre-discuss] Migrating files doesn't free space on the OST

2019-01-17 Thread Jason Williams
Chad hit the nail on the head. I thought about the fact that it was still deactivated yesterday but was afraid to reactivate it until I verified the space was free. FWIW, the URL about handling full OSTs does not include the fact that the space will not be free until you reactivate the OST.

Re: [lustre-discuss] Migrating files doesn't free space on the OST

2019-01-17 Thread Mohr Jr, Richard Frank (Rick Mohr)
> On Jan 17, 2019, at 2:38 PM, Jason Williams wrote: > > - I just looked for lfsck but I don't seem to have it. We are running 2.10.4 > so I don't know what version that appeared in. lfsck is handled as a subcommand for lctl. http://doc.lustre.org/lustre_manual.xhtml#dbdoclet.lfsckadmin --

Re: [lustre-discuss] Migrating files doesn't free space on the OST

2019-01-17 Thread Chad DeWitt
Hi Jason, I do not know if this will help you or not, but I had a situation in 2.8.0 where an OST filled up and I marked it as disabled on the MDS: lctl dl | grep osc ...Grab the *device_id* of the full OST and then deactivate it... lctl --device *device_id* deactivate IIRC, this allowed the dat

Re: [lustre-discuss] Migrating files doesn't free space on the OST

2019-01-17 Thread Jason Williams
Hello Alexander, Thank you for your reply. - We are not using zfs, it's an LDISKFS backing store, so no snapshots. - I have re-run lfs getstripe to make sure the file is indeed moving - I just looked for lfsck but I don't seem to have it. We are running 2.10.4 so I don't know what version th

Re: [lustre-discuss] Migrating files doesn't free space on the OST

2019-01-17 Thread Alexander I Kulyavtsev
- you can re-run command to find files residing on ost to see if files are new or old. - zfs may have snapshots if you ever did snapshots; it takes space. - removing data or snapshots has some lag to release the blocks (tens of minutes) but I guess that is completed by now. - there are can be

Re: [lustre-discuss] Migrating files doesn't free space on the OST

2019-01-17 Thread Robin Humble
On Wed, Jan 16, 2019 at 04:25:25PM +, Jason Williams wrote: >I am trying to migrate files I know are not in use off of the full OST that I >have using lfs migrate. I have verified up and down that the files I am >moving are on that OST and that after the migrate lfs getstripe indeed shows >