Feature #10792: qa: enable thrasher for MDS cluster size (vary max_mds) - CephFS - Ceph

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Feature #10792

closed

qa: enable thrasher for MDS cluster size (vary max_mds)

Added by John Spray about 9 years ago. Updated about 5 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Patrick Donnelly

Category:

Target version:

% Done:

Source:

other

Tags:

Backport:

Reviewed:

Affected Versions:

Component(FS):

qa-suite

Labels (FS):

multimds

Pull request ID:

Description

Rather than just killing MDSs within a fixed size cluster, have a thrasher that varies max_mds and deactivates MDSs to control the size of the cluster. This will exercise the stopping/creating states while under load.

Related issues 2 (0 open — 2 closed)

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Updated by John Spray about 9 years ago

NB while adding cluster size tests, also check the mon commands e.g. #10862 (don't allow deactivate rank 0)

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Updated by Greg Farnum almost 8 years ago

Subject changed from Add thrasher for MDS cluster size (vary max_mds) to qa: Add thrasher for MDS cluster size (vary max_mds)
Category changed from Testing to 93

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Updated by Greg Farnum almost 8 years ago

Category changed from 93 to 90
Component(FS) qa-suite added

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Updated by Patrick Donnelly almost 8 years ago

Assignee set to Patrick Donnelly

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Updated by Patrick Donnelly over 7 years ago

Status changed from New to In Progress

Pre-requisite PR: https://github.com/ceph/ceph-qa-suite/pull/1175

multimds testing with the thrasher will be added in another PR.

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Updated by John Spray over 7 years ago

Related to Bug #18579: Fuse client has "opening" session to nonexistent MDS rank after MDS cluster shrink added

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Updated by Patrick Donnelly about 7 years ago

Status changed from In Progress to Fix Under Review

PR: https://github.com/ceph/ceph/pull/13262

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Updated by Patrick Donnelly about 7 years ago

Related to Feature #19230: Limit MDS deactivation to one at a time added

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Updated by John Spray about 7 years ago

Subject changed from qa: Add thrasher for MDS cluster size (vary max_mds) to qa: enable thrasher for MDS cluster size (vary max_mds)
Status changed from Fix Under Review to New
Assignee deleted (~~Patrick Donnelly~~)

The thrasher exists, this ticket is now for switching it on and getting the resulting runs green.

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#10