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Bug #44252
closedcephadm: mgr,mds scale-down should prefer standby daemons
Status:
Resolved
Priority:
High
Assignee:
Category:
cephadm/scheduler
Target version:
% Done:
0%
Source:
Tags:
low-hanging-fruit
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Description
There are three types of daemons:
1. active daemons
2. standby daemons
3. unknown daemons that are (not yet) part of the mdsmap or mgrmap.
When cephadm removes a daemon, it should do so in the following order:
1. standby daemons
2. unknown daemons
3. active daemons
Things that need to be done:
1. implement missing
2. make the scheduler prefer active daemons when placing them.
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