Align LNet routing with Multi-Rail and LNet health (LU-11297)

[LU-12163] Fix cpt confusion Created: 06/Apr/19  Updated: 27/Jan/20  Resolved: 10/Jun/19

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: Lustre 2.13.0, Lustre 2.12.3

Type: Technical task Priority: Minor
Reporter: Amir Shehata (Inactive) Assignee: Amir Shehata (Inactive)
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Related
Rank (Obsolete): 9223372036854775807

 Description   

in lnet_select_pathway, there is a potential scenario where a CPTs can change and we end up manipulating the wrong cpt resulting in an eventual deadlock.



 Comments   
Comment by Gerrit Updater [ 06/Apr/19 ]

Amir Shehata (ashehata@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/34607
Subject: LU-12163 lnet: fix cpt locking
Project: fs/lustre-release
Branch: multi-rail
Current Patch Set: 1
Commit: 7077787180873ea8caa61e07a4470badc5edfad2

Comment by Gerrit Updater [ 07/Jun/19 ]

Amir Shehata (ashehata@whamcloud.com) merged in patch https://review.whamcloud.com/34607/
Subject: LU-12163 lnet: fix cpt locking
Project: fs/lustre-release
Branch: multi-rail
Current Patch Set:
Commit: f6d63067e1ec00009b9da5cdb263fe14e7e503e1

Comment by Joseph Gmitter (Inactive) [ 10/Jun/19 ]

Work has landed as part of the MR Routing merge commit: https://review.whamcloud.com/#/c/34983/

Comment by Gerrit Updater [ 03/Sep/19 ]

Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/36032
Subject: LU-12163 lnet: fix cpt locking
Project: fs/lustre-release
Branch: b2_12
Current Patch Set: 1
Commit: fe3de2563f0050ee371ede9ad040113f86ae3a64

Comment by Gerrit Updater [ 12/Sep/19 ]

Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/36032/
Subject: LU-12163 lnet: fix cpt locking
Project: fs/lustre-release
Branch: b2_12
Current Patch Set:
Commit: 63590ddd93689ec2b02d991a3a75aa55a27a1c81

Comment by Gerrit Updater [ 12/Sep/19 ]

Oleg Drokin (green@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/36171
Subject: LU-12163 test revert
Project: fs/lustre-release
Branch: b2_12
Current Patch Set: 1
Commit: ab190800983a9678254f0fe809ebba1f8f3b3883

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