Re: iostat and dashboard freezing

Konstantin Shalygin <k0ste@xxxxxxxx> · Tue, 10 Sep 2019 11:19:13 +0700



    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
      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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