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Feature #63666

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Feature #63663: mds,client: add crash-consistent snapshot support

mds: QuiesceAgent to execute quiesce operations on an MDS rank

Added by Patrick Donnelly 6 months ago. Updated 2 months ago.

Status:
Resolved
Priority:
High
Assignee:
Leonid Usov
Category:
-
Target version:
Ceph - v20.0.0
% Done:

100%

Source:
Tags:
Backport:
Reviewed:
Affected Versions:
Component(FS):
MDS
Labels (FS):
Pull request ID:
54485

Description

QuiesceAgent is the layer responsible for converting updates from the QuiesceDbManager into actual quiesce requests and cancellations via the quiesce protocol API. Apart from reacting to the db updates QuiesceAgent also sends asynchronous acks back to the leader manager when the actual state of either of the quiescing roots changes and becomes different from what the DB assumes.

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