Re: how to mount a specific pool in cephs

2012-05-22 Thread Grant Ashman
Tommi Virtanen dreamhost.com> writes: > > You don't mount pools directly; there's filesystem metadata (as > managed by metadata servers) that is needed too. > > What you probably want is to specify that a subtree of your ceph dfs > stores the file data in a separate pool, using "cephfs > /mnt/ce

Re: how to mount a specific pool in cephs

2012-05-22 Thread Grant Ashman
Greg Farnum inktank.com> writes: > That's the right pool ID; yes. I believe the problem is that the cephfs tool > currently requires you to fill in > all the fields, not just the one you wish to change. Try that (setting all > the > other values to match what you > see when you view the layout)

Re: how to mount a specific pool in cephs

2012-05-22 Thread Grant Ashman
Greg Farnum inktank.com> writes: > Oh, I got this conversation confused with another one. > You also need to specify the pool as a valid pool to > store filesystem data in, if you haven't done that already: > "ceph mds add_data_pool " > > Thanks Greg, However, I still get the same error :( Whe

RE: how to mount a specific pool in cephs

2012-05-22 Thread Grant Ashman
>That's the right pool ID; yes. I believe the problem is that the cephfs tool >currently requires you to fill in all the fields, not ?>just the one you wish >to change. Try that (setting all the other values to match what you see when >you view the layout). :) -> Greg Hi, I've tried setting al

Re: how to mount a specific pool in cephs

2012-05-22 Thread Grant Ashman
Greg Farnum inktank.com> writes: > > When I specify the add data pool I get the following: > > (with or without the additional values) > > > > root dsan-test:~# ceph mds add_data_pool backup > > added data pool 0 to mdsmap > > Okay, that's not right — it should say pool 3. > According to the