Re: Balancing PGs across OSDs

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BTW: The osdmaptool doesn't see anything to do either:

$ ceph osd getmap -o om
$ osdmaptool om --upmap /tmp/upmap.sh --upmap-pool cephfs_data 
osdmaptool: osdmap file 'om'
writing upmap command output to: /tmp/upmap.sh
checking for upmap cleanups
upmap, max-count 100, max deviation 0.01
 limiting to pools cephfs_data (1)
no upmaps proposed




Tue, 3 Dec 2019 07:30:24 +0100
Lars Täuber <taeuber@xxxxxxx> ==> Konstantin Shalygin <k0ste@xxxxxxxx> :
> Hi Konstantin,
> 
> 
> Tue, 3 Dec 2019 10:01:34 +0700
> Konstantin Shalygin <k0ste@xxxxxxxx> ==> Lars Täuber <taeuber@xxxxxxx>, ceph-users@xxxxxxx :
> > Please paste your `ceph osd df tree`, `ceph osd pool ls detail`, `ceph 
> > osd crush rule dump`.  
> 
> here it comes:
> 
> $ ceph osd df tree
> ID  CLASS WEIGHT    REWEIGHT SIZE    RAW USE DATA    OMAP    META    AVAIL    %USE  VAR  PGS STATUS TYPE NAME                   
>  -1       195.40730        - 195 TiB 130 TiB 128 TiB  58 GiB 476 GiB   66 TiB 66.45 1.00   -        root default                
> -25       195.40730        - 195 TiB 130 TiB 128 TiB  58 GiB 476 GiB   66 TiB 66.45 1.00   -            room PRZ                
> -26       195.40730        - 195 TiB 130 TiB 128 TiB  58 GiB 476 GiB   66 TiB 66.45 1.00   -                row rechts          
> -27        83.74599        -  84 TiB  57 TiB  56 TiB  25 GiB 206 GiB   27 TiB 67.51 1.02   -                    rack 1-eins     
>  -3        27.91533        -  28 TiB  18 TiB  17 TiB 8.4 GiB  66 GiB   10 TiB 62.80 0.95   -                        host onode1 
>   0   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 3.8 MiB  14 GiB  2.1 TiB 62.48 0.94 163     up                     osd.0   
>   1   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 6.5 MiB  12 GiB  2.1 TiB 62.47 0.94 163     up                     osd.1   
>   2   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 7.1 MiB  12 GiB  2.1 TiB 62.53 0.94 163     up                     osd.2   
>   3   hdd   5.51459  1.00000 5.5 TiB 3.5 TiB 3.4 TiB 7.5 MiB  12 GiB  2.0 TiB 62.90 0.95 164     up                     osd.3   
>  37   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 6.4 MiB  13 GiB  1.8 TiB 67.32 1.01 176     up                     osd.37  
>   4   ssd   0.34239  1.00000 351 GiB  11 GiB 187 MiB 8.3 GiB 2.0 GiB  340 GiB  3.01 0.05 110     up                     osd.4   
> -13        27.91533        -  28 TiB  17 TiB  17 TiB 8.2 GiB  66 GiB   10 TiB 62.64 0.94   -                        host onode4 
>  13   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.0 MiB  13 GiB  2.1 TiB 62.49 0.94 163     up                     osd.13  
>  14   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 3.2 MiB  13 GiB  2.1 TiB 62.49 0.94 163     up                     osd.14  
>  15   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.4 MiB  12 GiB  2.1 TiB 62.43 0.94 163     up                     osd.15  
>  16   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 5.8 MiB  12 GiB  2.1 TiB 62.13 0.94 162     up                     osd.16  
>  40   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 3.6 MiB  13 GiB  1.8 TiB 67.36 1.01 176     up                     osd.40  
>  33   ssd   0.34239  1.00000 351 GiB  11 GiB 201 MiB 8.2 GiB 2.2 GiB  340 GiB  3.02 0.05 110     up                     osd.33  
> -22        27.91533        -  28 TiB  22 TiB  21 TiB 8.1 GiB  74 GiB  6.4 TiB 77.10 1.16   -                        host onode7 
>  25   hdd   5.51459  1.00000 5.5 TiB 4.3 TiB 4.2 TiB 7.2 MiB  14 GiB  1.2 TiB 77.59 1.17 203     up                     osd.25  
>  26   hdd   5.51459  1.00000 5.5 TiB 4.3 TiB 4.3 TiB 4.7 MiB  14 GiB  1.2 TiB 78.40 1.18 205     up                     osd.26  
>  27   hdd   5.51459  1.00000 5.5 TiB 4.2 TiB 4.1 TiB 3.8 MiB  14 GiB  1.3 TiB 75.80 1.14 198     up                     osd.27  
>  28   hdd   5.51459  1.00000 5.5 TiB 4.2 TiB 4.1 TiB 4.5 MiB  14 GiB  1.3 TiB 76.13 1.15 199     up                     osd.28  
>  30   hdd   5.51459  1.00000 5.5 TiB 4.5 TiB 4.5 TiB 8.2 MiB  15 GiB 1006 GiB 82.18 1.24 215     up                     osd.30  
>  36   ssd   0.34239  1.00000 351 GiB  10 GiB 184 MiB 8.1 GiB 2.0 GiB  340 GiB  2.92 0.04 110     up                     osd.36  
> -28        55.83066        -  56 TiB  35 TiB  34 TiB  17 GiB 132 GiB   21 TiB 62.36 0.94   -                    rack 2-zwei     
>  -7        27.91533        -  28 TiB  17 TiB  17 TiB 8.2 GiB  66 GiB   11 TiB 62.27 0.94   -                        host onode2 
>   5   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.0 MiB  12 GiB  2.1 TiB 62.08 0.93 162     up                     osd.5   
>   6   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 3.9 MiB  13 GiB  2.1 TiB 62.13 0.93 162     up                     osd.6   
>   7   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.3 TiB 3.7 MiB  12 GiB  2.1 TiB 61.77 0.93 161     up                     osd.7   
>   8   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.3 TiB 3.2 MiB  12 GiB  2.1 TiB 61.75 0.93 161     up                     osd.8   
>  38   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 3.7 MiB  14 GiB  1.8 TiB 67.31 1.01 176     up                     osd.38  
>  31   ssd   0.34239  1.00000 351 GiB  11 GiB 166 MiB 8.1 GiB 2.4 GiB  340 GiB  3.04 0.05 110     up                     osd.31  
> -16        27.91533        -  28 TiB  17 TiB  17 TiB 8.7 GiB  66 GiB   10 TiB 62.44 0.94   -                        host onode5 
>  17   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB   4 MiB  12 GiB  2.1 TiB 62.15 0.94 162     up                     osd.17  
>  18   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.0 MiB  13 GiB  2.1 TiB 62.16 0.94 162     up                     osd.18  
>  19   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.5 MiB  13 GiB  2.1 TiB 62.14 0.94 162     up                     osd.19  
>  20   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 3.5 MiB  13 GiB  2.1 TiB 62.12 0.93 162     up                     osd.20  
>  41   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 3.9 MiB  14 GiB  1.8 TiB 67.31 1.01 176     up                     osd.41  
>  34   ssd   0.34239  1.00000 351 GiB  11 GiB 192 MiB 8.7 GiB 1.8 GiB  340 GiB  3.04 0.05 109     up                     osd.34  
> -29        55.83066        -  56 TiB  38 TiB  38 TiB  16 GiB 138 GiB   17 TiB 68.95 1.04   -                    rack 3-drei     
> -10        27.91533        -  28 TiB  17 TiB  17 TiB 8.1 GiB  63 GiB   11 TiB 61.02 0.92   -                        host onode3 
>   9   hdd   5.51459  1.00000 5.5 TiB 3.3 TiB 3.3 TiB 3.7 MiB  12 GiB  2.2 TiB 60.63 0.91 158     up                     osd.9   
>  10   hdd   5.51459  1.00000 5.5 TiB 3.3 TiB 3.3 TiB 3.1 MiB  12 GiB  2.2 TiB 60.19 0.91 157     up                     osd.10  
>  11   hdd   5.51459  1.00000 5.5 TiB 3.3 TiB 3.3 TiB 6.7 MiB  12 GiB  2.2 TiB 60.27 0.91 157     up                     osd.11  
>  12   hdd   5.51459  1.00000 5.5 TiB 3.3 TiB 3.3 TiB 4.1 MiB  12 GiB  2.2 TiB 60.28 0.91 157     up                     osd.12  
>  39   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 4.6 MiB  13 GiB  1.8 TiB 67.34 1.01 176     up                     osd.39  
>  32   ssd   0.34239  1.00000 351 GiB  10 GiB 271 MiB 8.1 GiB 1.8 GiB  341 GiB  2.88 0.04 109     up                     osd.32  
> -19        27.91533        -  28 TiB  21 TiB  21 TiB 8.1 GiB  74 GiB  6.5 TiB 76.89 1.16   -                        host onode6 
>  21   hdd   5.51459  1.00000 5.5 TiB 4.0 TiB 4.0 TiB 6.2 MiB  13 GiB  1.5 TiB 72.79 1.10 190     up                     osd.21  
>  22   hdd   5.51459  1.00000 5.5 TiB 4.5 TiB 4.5 TiB 5.1 MiB  16 GiB  1.0 TiB 81.79 1.23 214     up                     osd.22  
>  23   hdd   5.51459  1.00000 5.5 TiB 4.4 TiB 4.4 TiB 4.4 MiB  16 GiB  1.1 TiB 80.29 1.21 210     up                     osd.23  
>  24   hdd   5.51459  1.00000 5.5 TiB 4.3 TiB 4.2 TiB 6.7 MiB  14 GiB  1.3 TiB 77.31 1.16 202     up                     osd.24  
>  29   hdd   5.51459  1.00000 5.5 TiB 4.2 TiB 4.2 TiB 4.6 MiB  14 GiB  1.3 TiB 76.86 1.16 201     up                     osd.29  
>  35   ssd   0.34239  1.00000 351 GiB  10 GiB 208 MiB 8.1 GiB 1.9 GiB  340 GiB  2.89 0.04 110     up                     osd.35  
>                        TOTAL 195 TiB 130 TiB 128 TiB  58 GiB 476 GiB   66 TiB 66.45                                             
> MIN/MAX VAR: 0.04/1.24  STDDEV: 26.74
> 
> 
> better only for the class hdd
> 
> $ ceph osd df tree class hdd
> ID  CLASS WEIGHT    REWEIGHT SIZE    RAW USE DATA    OMAP    META    AVAIL    %USE  VAR  PGS STATUS TYPE NAME                   
>  -1       195.40730        - 193 TiB 130 TiB 128 TiB 169 MiB 462 GiB   63 TiB 67.24 1.00   -        root default                
> -25       195.40730        - 193 TiB 130 TiB 128 TiB 169 MiB 462 GiB   63 TiB 67.24 1.00   -            room PRZ                
> -26       195.40730        - 193 TiB 130 TiB 128 TiB 169 MiB 462 GiB   63 TiB 67.24 1.00   -                row rechts          
> -27        83.74599        -  83 TiB  57 TiB  56 TiB  81 MiB 200 GiB   26 TiB 68.31 1.02   -                    rack 1-eins     
>  -3        27.91533        -  28 TiB  18 TiB  17 TiB  31 MiB  64 GiB   10 TiB 63.54 0.94   -                        host onode1 
>   0   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 3.8 MiB  14 GiB  2.1 TiB 62.48 0.93 163     up                     osd.0   
>   1   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 6.5 MiB  12 GiB  2.1 TiB 62.47 0.93 163     up                     osd.1   
>   2   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 7.1 MiB  12 GiB  2.1 TiB 62.53 0.93 163     up                     osd.2   
>   3   hdd   5.51459  1.00000 5.5 TiB 3.5 TiB 3.4 TiB 7.5 MiB  12 GiB  2.0 TiB 62.90 0.94 164     up                     osd.3   
>  37   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 6.4 MiB  13 GiB  1.8 TiB 67.32 1.00 176     up                     osd.37  
> -13        27.91533        -  28 TiB  17 TiB  17 TiB  21 MiB  64 GiB   10 TiB 63.38 0.94   -                        host onode4 
>  13   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.0 MiB  13 GiB  2.1 TiB 62.49 0.93 163     up                     osd.13  
>  14   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 3.2 MiB  13 GiB  2.1 TiB 62.49 0.93 163     up                     osd.14  
>  15   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.4 MiB  12 GiB  2.1 TiB 62.43 0.93 163     up                     osd.15  
>  16   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 5.8 MiB  12 GiB  2.1 TiB 62.13 0.92 162     up                     osd.16  
>  40   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 3.6 MiB  13 GiB  1.8 TiB 67.36 1.00 176     up                     osd.40  
> -22        27.91533        -  28 TiB  22 TiB  21 TiB  28 MiB  72 GiB  6.1 TiB 78.02 1.16   -                        host onode7 
>  25   hdd   5.51459  1.00000 5.5 TiB 4.3 TiB 4.2 TiB 7.2 MiB  14 GiB  1.2 TiB 77.59 1.15 203     up                     osd.25  
>  26   hdd   5.51459  1.00000 5.5 TiB 4.3 TiB 4.3 TiB 4.7 MiB  14 GiB  1.2 TiB 78.40 1.17 205     up                     osd.26  
>  27   hdd   5.51459  1.00000 5.5 TiB 4.2 TiB 4.1 TiB 3.8 MiB  14 GiB  1.3 TiB 75.80 1.13 198     up                     osd.27  
>  28   hdd   5.51459  1.00000 5.5 TiB 4.2 TiB 4.1 TiB 4.5 MiB  14 GiB  1.3 TiB 76.13 1.13 199     up                     osd.28  
>  30   hdd   5.51459  1.00000 5.5 TiB 4.5 TiB 4.5 TiB 8.2 MiB  15 GiB 1006 GiB 82.18 1.22 215     up                     osd.30  
> -28        55.83066        -  55 TiB  35 TiB  34 TiB  38 MiB 128 GiB   20 TiB 63.09 0.94   -                    rack 2-zwei     
>  -7        27.91533        -  28 TiB  17 TiB  17 TiB  18 MiB  63 GiB   10 TiB 63.01 0.94   -                        host onode2 
>   5   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.0 MiB  12 GiB  2.1 TiB 62.08 0.92 162     up                     osd.5   
>   6   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 3.9 MiB  13 GiB  2.1 TiB 62.13 0.92 162     up                     osd.6   
>   7   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.3 TiB 3.7 MiB  12 GiB  2.1 TiB 61.77 0.92 161     up                     osd.7   
>   8   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.3 TiB 3.2 MiB  12 GiB  2.1 TiB 61.75 0.92 161     up                     osd.8   
>  38   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 3.7 MiB  14 GiB  1.8 TiB 67.31 1.00 176     up                     osd.38  
> -16        27.91533        -  28 TiB  17 TiB  17 TiB  20 MiB  65 GiB   10 TiB 63.18 0.94   -                        host onode5 
>  17   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB   4 MiB  12 GiB  2.1 TiB 62.15 0.92 162     up                     osd.17  
>  18   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.0 MiB  13 GiB  2.1 TiB 62.16 0.92 162     up                     osd.18  
>  19   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 4.5 MiB  13 GiB  2.1 TiB 62.14 0.92 162     up                     osd.19  
>  20   hdd   5.51459  1.00000 5.5 TiB 3.4 TiB 3.4 TiB 3.5 MiB  13 GiB  2.1 TiB 62.12 0.92 162     up                     osd.20  
>  41   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 3.9 MiB  14 GiB  1.8 TiB 67.31 1.00 176     up                     osd.41  
> -29        55.83066        -  55 TiB  38 TiB  38 TiB  49 MiB 134 GiB   17 TiB 69.77 1.04   -                    rack 3-drei     
> -10        27.91533        -  28 TiB  17 TiB  17 TiB  22 MiB  62 GiB   11 TiB 61.74 0.92   -                        host onode3 
>   9   hdd   5.51459  1.00000 5.5 TiB 3.3 TiB 3.3 TiB 3.7 MiB  12 GiB  2.2 TiB 60.63 0.90 158     up                     osd.9   
>  10   hdd   5.51459  1.00000 5.5 TiB 3.3 TiB 3.3 TiB 3.1 MiB  12 GiB  2.2 TiB 60.19 0.90 157     up                     osd.10  
>  11   hdd   5.51459  1.00000 5.5 TiB 3.3 TiB 3.3 TiB 6.7 MiB  12 GiB  2.2 TiB 60.27 0.90 157     up                     osd.11  
>  12   hdd   5.51459  1.00000 5.5 TiB 3.3 TiB 3.3 TiB 4.1 MiB  12 GiB  2.2 TiB 60.28 0.90 157     up                     osd.12  
>  39   hdd   5.51459  1.00000 5.5 TiB 3.7 TiB 3.7 TiB 4.6 MiB  13 GiB  1.8 TiB 67.34 1.00 176     up                     osd.39  
> -19        27.91533        -  28 TiB  21 TiB  21 TiB  27 MiB  72 GiB  6.1 TiB 77.81 1.16   -                        host onode6 
>  21   hdd   5.51459  1.00000 5.5 TiB 4.0 TiB 4.0 TiB 6.2 MiB  13 GiB  1.5 TiB 72.79 1.08 190     up                     osd.21  
>  22   hdd   5.51459  1.00000 5.5 TiB 4.5 TiB 4.5 TiB 5.1 MiB  16 GiB  1.0 TiB 81.79 1.22 214     up                     osd.22  
>  23   hdd   5.51459  1.00000 5.5 TiB 4.4 TiB 4.4 TiB 4.4 MiB  16 GiB  1.1 TiB 80.29 1.19 210     up                     osd.23  
>  24   hdd   5.51459  1.00000 5.5 TiB 4.3 TiB 4.2 TiB 6.7 MiB  14 GiB  1.3 TiB 77.31 1.15 202     up                     osd.24  
>  29   hdd   5.51459  1.00000 5.5 TiB 4.2 TiB 4.2 TiB 4.6 MiB  14 GiB  1.3 TiB 76.86 1.14 201     up                     osd.29  
>                        TOTAL 193 TiB 130 TiB 128 TiB 169 MiB 462 GiB   63 TiB 67.24                                             
> MIN/MAX VAR: 0.90/1.22  STDDEV: 7.17
> 
> 
> 
> 
> ceph osd pool ls detail
> pool 1 'cephfs_data' erasure size 6 min_size 5 crush_rule 1 object_hash rjenkins pg_num 1024 pgp_num 1024 autoscale_mode on last_change 20353 lfor 0/0/2366 flags hashpspool,ec_overwrites,selfmanaged_snaps max_bytes 119457034600410 stripe_width 16384 target_size_ratio 0.85 application cephfs
> 	removed_snaps [2~4,7~27,2f~1e,4f~1f,6f~39,a9~5,af~1,b1~1,b3~1,b5~1,b7~1,b9~1,bb~1,bd~1,bf~1,c1~1,c3~1,c5~1,c7~1,c9~1]
> pool 2 'cephfs_metadata' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 256 pgp_num 256 autoscale_mode on last_change 261 lfor 0/0/259 flags hashpspool stripe_width 0 pg_autoscale_bias 4 pg_num_min 16 recovery_priority 5 target_size_ratio 0.3 application cephfs
> 
> 
> $ ceph osd crush rule dump
> [
>     {
>         "rule_id": 0,
>         "rule_name": "replicated_rule",
>         "ruleset": 0,
>         "type": 1,
>         "min_size": 1,
>         "max_size": 10,
>         "steps": [
>             {
>                 "op": "take",
>                 "item": -1,
>                 "item_name": "default"
>             },
>             {
>                 "op": "chooseleaf_firstn",
>                 "num": 0,
>                 "type": "host"
>             },
>             {
>                 "op": "emit"
>             }
>         ]
>     },
>     {
>         "rule_id": 1,
>         "rule_name": "cephfs_data",
>         "ruleset": 1,
>         "type": 3,
>         "min_size": 3,
>         "max_size": 6,
>         "steps": [
>             {
>                 "op": "set_chooseleaf_tries",
>                 "num": 5
>             },
>             {
>                 "op": "set_choose_tries",
>                 "num": 100
>             },
>             {
>                 "op": "take",
>                 "item": -2,
>                 "item_name": "default~hdd"
>             },
>             {
>                 "op": "chooseleaf_indep",
>                 "num": 0,
>                 "type": "host"
>             },
>             {
>                 "op": "emit"
>             }
>         ]
>     },
>     {
>         "rule_id": 2,
>         "rule_name": "rep_3_ssd",
>         "ruleset": 2,
>         "type": 1,
>         "min_size": 1,
>         "max_size": 10,
>         "steps": [
>             {
>                 "op": "take",
>                 "item": -6,
>                 "item_name": "default~ssd"
>             },
>             {
>                 "op": "chooseleaf_firstn",
>                 "num": 0,
>                 "type": "host"
>             },
>             {
>                 "op": "emit"
>             }
>         ]
>     }
> ]
> 
> 
> Tanks,
> Lars
> _______________________________________________
> ceph-users mailing list -- ceph-users@xxxxxxx
> To unsubscribe send an email to ceph-users-leave@xxxxxxx


-- 
                            Informationstechnologie
Berlin-Brandenburgische Akademie der Wissenschaften
Jägerstraße 22-23                      10117 Berlin
Tel.: +49 30 20370-352           http://www.bbaw.de
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