Re: [ceph-users] balancer mgr module

2018-02-16 Thread Caspar Smit
2018-02-16 10:16 GMT+01:00 Dan van der Ster : > Hi Caspar, > > I've been trying the mgr balancer for a couple weeks now and can share > some experience. > > Currently there are two modes implemented: upmap and crush-compat. > > Upmap requires all clients to be running luminous -- it uses this new

Re: [ceph-users] balancer mgr module

2018-02-16 Thread Dan van der Ster
Hi Caspar, I've been trying the mgr balancer for a couple weeks now and can share some experience. Currently there are two modes implemented: upmap and crush-compat. Upmap requires all clients to be running luminous -- it uses this new pg-upmap mechanism to precisely move PGs one by one to a mor

[ceph-users] balancer mgr module

2018-02-16 Thread Caspar Smit
Hi, After watching Sage's talk at LinuxConfAU about making distributed storage easy he mentioned the Balancer Manager module. After enabling this module, pg's should get balanced automagically around the cluster. The module was added in Ceph Luminous v12.2.2 Since i couldn't find much documenta