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Ceph Command Cheatsheet CLI Reference
ceph -h
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Ceph Command Cheatsheet

Every common ceph CLI command, grouped by what it touches, with a one-line plain-English explanation and a copy button. Each section links to the calculator above that sizes the values you'd plug in.

Pool Ops
PG Ops
OSD Ops
CRUSH
Erasure Coding
Health
Capacity
Pool Ops
create, configure, and manage pools
PG Ops
pg_num, pgp_num, autoscaler, distribution
OSD Ops
utilization, status, weighting
CRUSH
failure domains, rules, tree inspection
Erasure Coding
profiles, overwrites, application enable
Health / Diagnostics
cluster status, warnings, troubleshooting
Capacity
raw, used, usable, thresholds