[ceph-users] Moving an MDS

2013-06-11 Thread Bryan Stillwell
I have a cluster I originally built on argonaut and have since upgraded it to bobtail and then cuttlefish. I originally configured it with one node for both the mds node and mon node, and 4 other nodes for hosting osd's: a1: mon.a/mds.a b1: osd.0, osd.1, osd.2, osd.3, osd.4, osd.20 b2: osd.5,

Re: [ceph-users] Moving an MDS

2013-06-11 Thread Gregory Farnum
On Tue, Jun 11, 2013 at 2:35 PM, Bryan Stillwell bstillw...@photobucket.com wrote: I have a cluster I originally built on argonaut and have since upgraded it to bobtail and then cuttlefish. I originally configured it with one node for both the mds node and mon node, and 4 other nodes for

Re: [ceph-users] Moving an MDS

2013-06-11 Thread Bryan Stillwell
On Tue, Jun 11, 2013 at 3:50 PM, Gregory Farnum g...@inktank.com wrote: You should not run more than one active MDS (less stable than a single-MDS configuration, bla bla bla), but you can run multiple daemons and let the extras serve as a backup in case of failure. The process for moving an

Re: [ceph-users] Moving an MDS

2013-06-11 Thread Gregory Farnum
On Tue, Jun 11, 2013 at 3:04 PM, Bryan Stillwell bstillw...@photobucket.com wrote: On Tue, Jun 11, 2013 at 3:50 PM, Gregory Farnum g...@inktank.com wrote: You should not run more than one active MDS (less stable than a single-MDS configuration, bla bla bla), but you can run multiple daemons