[ceph-users] Re: Rebalancing after modifying CRUSH map

2020-06-09 Thread Brett Randall
Thanks Janne, this is fantastic to know. Brett --- original message --- On June 9, 2020, 4:21 PM GMT+10 icepic...@gmail.com wrote: Den tis 9 juni 2020 kl 07:43 skrev Brett Randall : >> Hi all >> We are looking at implementing Ceph/CephFS for a project. Over time, we may >> wish to add

[ceph-users] Re: Rebalancing after modifying CRUSH map

2020-06-09 Thread Frank Schilder
This is done automatically. Every time the crush map changes, objects get moved around. Therefore, a typical procedure is - make sure ceph is HEALTH_OK - ceph osd set noout - ceph osd set norebalance - edit crush map - wait for peering to finish, all PGs must be active+clean - lots of PGs will

[ceph-users] Re: Rebalancing after modifying CRUSH map

2020-06-09 Thread Janne Johansson
Den tis 9 juni 2020 kl 07:43 skrev Brett Randall : > Hi all > We are looking at implementing Ceph/CephFS for a project. Over time, we > may wish to add additional replicas to our cluster. If we modify a CRUSH > map, is there a way of then requesting Ceph to re-evaluate the placement of > objects