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Feature #40929

mgr/volumes: create extension to deploy and configure MDSs in response to degraded file system

Added by Patrick Donnelly 27 days ago.

Status:
New
Priority:
High
Assignee:
Category:
-
Target version:
Start date:
07/24/2019
Due date:
% Done:

0%

Source:
Development
Tags:
Backport:
nautilus
Reviewed:
Affected Versions:
Component(FS):
mgr/volumes
Labels (FS):
task(medium)
Pull request ID:

Description

The volumes plugin should no longer create an MDS for each volume. Instead, a MDS deployment service should regularly evaluate the state of the FSMap and look for any file system that requires more standbys. The service should then deploy MDSs until the file systems are all healthy. Additionally, if there are too many standbys, stop the extra MDS daemons.

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