ceph - sort osds by utilisation
Posted on Thu 20 September 2018 in Ceph • 1 min read
Version 1: keep it simple
$ ceph osd df | awk '{ print "osd."$1, "size: "$5, "usage: " $8 }' | sort -nk5
OSDs can be listed twice - depends on the crushmap.
Version 2: json + python
$ ceph osd df tree -f json | python sort_hdd_osds.py
osd.28 utilization: 15.278888
osd.15 utilization: 19.700484
osd.58 utilization: 25.052757
osd.31 utilization: 28.781335
osd.22 utilization: 31.525527
osd.2 utilization: 32.456151
osd.47 utilization: 32.496669
osd.39 utilization: 32.598765
osd.17 utilization: 34.17247
osd.40 utilization: 34.375297
osd.56 utilization: 35.102418
osd.48 utilization: 36.400253
osd.50 utilization: 36.608321
osd.52 utilization: 36.628858
osd.38 utilization: 36.929235
osd.13 utilization: 37.222498
osd.30 utilization: 40.405145
osd.59 utilization: 40.708111
osd.62 utilization: 40.813985
osd.43 utilization: 41.488432
osd.53 utilization: 42.457611
osd.49 utilization: 42.834021
osd.23 utilization: 42.907104
osd.18 utilization: 48.978743
L22@sort_hdd_osds.py - specifies the bucket type which is used (not the device class!)