> 1. Multi-root. You should deprecate your 'ssd' root and move your osds of > this root to 'default' root. > I would love to deprecate the multi-root, and may try to do just that in my next OSD add, just worried about data shuffling unnecessarily. Would this in theory help my distribution across disparate OSD topologies?
> 2. Some of your OSD's are reweighted, for example > osd.44,osd.50,osd.57,osd.60,osd.102,osd.107. For proper upmap work all osds > should be not reweighted. > This was done to reclaim space, due to balancer not finding more optimizations, and also not running, due to some OSDs being marked as nearfull, again, because of poor distribution. Since running with balancer turned off, I have had very few issues with my MGRs. Reed > On Sep 9, 2019, at 11:19 PM, Konstantin Shalygin <k0...@k0ste.ru> wrote: > > On 8/29/19 9:56 PM, Reed Dier wrote: >> "config/mgr/mgr/balancer/active", >> "config/mgr/mgr/balancer/max_misplaced", >> "config/mgr/mgr/balancer/mode", >> "config/mgr/mgr/balancer/pool_ids", > This is useless keys, you may to remove it. > > >> https://pastebin.com/bXPs28h1 <https://pastebin.com/bXPs28h1>Issues that you >> have: > > 1. Multi-root. You should deprecate your 'ssd' root and move your osds of > this root to 'default' root. > > 2. Some of your OSD's are reweighted, for example > osd.44,osd.50,osd.57,osd.60,osd.102,osd.107. For proper upmap work all osds > should be not reweighted. > >>> $ time ceph balancer optimize newplan1 >>> Error EALREADY: Unable to find further optimization, or pool(s)' pg_num is >>> decreasing, or distribution is already perfect >>> >>> real 3m10.627s >>> user 0m0.352s >>> sys 0m0.055s > Set the key `mgr/balancer/upmap_max_iterations` to '2' should decrease this > time. > > k >
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