Re: [ceph-users] Migrating a cephfs data pool

2019-07-02 Thread Patrick Donnelly
On Fri, Jun 28, 2019 at 8:27 AM Jorge Garcia wrote: > > This seems to be an issue that gets brought up repeatedly, but I haven't > seen a definitive answer yet. So, at the risk of repeating a question > that has already been asked: > > How do you migrate a cephfs data pool to a new data pool? The

Re: [ceph-users] Migrating a cephfs data pool

2019-07-01 Thread Gregory Farnum
On Fri, Jun 28, 2019 at 5:41 PM Jorge Garcia wrote: > > Ok, actually, the problem was somebody writing to the filesystem. So I moved > their files and got to 0 objects. But then I tried to remove the original > data pool and got an error: > > # ceph fs rm_data_pool cephfs cephfs-data > Error

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Jorge Garcia
Ok, actually, the problem was somebody writing to the filesystem. So I moved their files and got to 0 objects. But then I tried to remove the original data pool and got an error:   # ceph fs rm_data_pool cephfs cephfs-data   Error EINVAL: cannot remove default data pool So it seems I will neve

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Jorge Garcia
This was after a while (I did notice that the number of objects went higher before it went lower). It is actually reporting more objects now. I'm not sure if some co-worker or program is writing to the filesystem... It got to these numbers and hasn't changed for the past couple hours. # ceph

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Patrick Hein
Afaik MDS doesn't delete the objects immediately but defer it for later. If you check that again now, how many objects does it report? Jorge Garcia schrieb am Fr., 28. Juni 2019, 23:16: > > On 6/28/19 9:02 AM, Marc Roos wrote: > > 3. When everything is copied-removed, you should end up with an e

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Jorge Garcia
On 6/28/19 9:02 AM, Marc Roos wrote: 3. When everything is copied-removed, you should end up with an empty datapool with zero objects. I copied the data to a new directory and then removed the data from the old directory, but df still reports some objects in the old pool (not zero). Is there

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Robert LeBlanc
etween data > pools, it does not really move data. > > > > -Original Message- > From: Robert LeBlanc [mailto:rob...@leblancnet.us] > Sent: vrijdag 28 juni 2019 18:30 > To: Marc Roos > Cc: ceph-users; jgarcia > Subject: Re: [ceph-users] Migrating a cephfs data poo

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Marc Roos
...@leblancnet.us] Sent: vrijdag 28 juni 2019 18:30 To: Marc Roos Cc: ceph-users; jgarcia Subject: Re: [ceph-users] Migrating a cephfs data pool Given that the MDS knows everything, it seems trivial to add a ceph 'mv' command to do this. I looked at using tiering to try and do the move, but I

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Robert LeBlanc
ta pool, mounting it and then moving the > > files? (read copy because move between data pools does not what you > > expect it do) > > > > > > -Original Message- > > From: Jorge Garcia [mailto:jgar...@soe.ucsc.edu] > > Sent: vrijdag 28 juni 2019 17:26 > &

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Marc Roos
juni 2019 17:26 > To: ceph-users > Subject: *****SPAM* [ceph-users] Migrating a cephfs data pool > > This seems to be an issue that gets brought up repeatedly, but I > haven't seen a definitive answer yet. So, at the risk of repeating a > question that has already been asked:

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Jorge Garcia
*** [ceph-users] Migrating a cephfs data pool This seems to be an issue that gets brought up repeatedly, but I haven't seen a definitive answer yet. So, at the risk of repeating a question that has already been asked: How do you migrate a cephfs data pool to a new data pool? The obvious case wo

Re: [ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Marc Roos
: *SPAM* [ceph-users] Migrating a cephfs data pool This seems to be an issue that gets brought up repeatedly, but I haven't seen a definitive answer yet. So, at the risk of repeating a question that has already been asked: How do you migrate a cephfs data pool to a new data pool? The ob

[ceph-users] Migrating a cephfs data pool

2019-06-28 Thread Jorge Garcia
This seems to be an issue that gets brought up repeatedly, but I haven't seen a definitive answer yet. So, at the risk of repeating a question that has already been asked: How do you migrate a cephfs data pool to a new data pool? The obvious case would be somebody that has set up a replicated