[LU-12763] Use alternate ping processing for non-mr peers Created: 13/Sep/19  Updated: 28/Sep/19  Resolved: 28/Sep/19

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

Type: Bug Priority: Critical
Reporter: Chris Horn Assignee: Chris Horn
Resolution: Fixed Votes: 0
Labels: patch

Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

Router peers without multi-rail capabilities (i.e. older Lustre
versions) or router peers that have discovery disabled need to use
the alternate ping processing introduced by LU-12422. Otherwise,
these peers go through the normal discovery processing, but their
remote network interfaces are never added to the peer object. This
causes routes through these peers to be considered down when
avoid_asym_router_failure is enabled.

 Comments   
Comment by Chris Horn [ 13/Sep/19 ]

I set priority on this to Critical because the bug can prevent a filesystem from being useable through non-mr routers.

Comment by Gerrit Updater [ 13/Sep/19 ]

Chris Horn (hornc@cray.com) uploaded a new patch: https://review.whamcloud.com/36182
Subject: LU-12763 lnet: Use alternate ping processing for non-mr peers
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 3d2425dddc950704e00a9f335e4e864fd88ed73f

Comment by Gerrit Updater [ 27/Sep/19 ]

Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/36182/
Subject: LU-12763 lnet: Use alternate ping processing for non-mr peers
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 010f6b1819b9009745abda8d6119589dc336bd95

Comment by Peter Jones [ 28/Sep/19 ]

Landed for 2.13

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