[LU-14943] LNet health recovery of peer NIs on remote networks does not work correctly

• Status: Closed
• Project: Lustre
• Type: Bug
• Priority: Minor
• Reporter: Chris Horn
• Assignee: Chris Horn
• Resolution: Not a Bug
• Severity: 3

Description

this is a reply to a recovery ping:

00000400:00000200:0.0:1628809321.584402:0:1949:0:(lib-move.c:3854:lnet_mt_event_handler()) Received event: 5 status: 0
00000400:00000200:0.0:1628809321.584404:0:1949:0:(lib-move.c:3869:lnet_mt_event_handler()) 192.168.2.35@tcp1 recovery message sent successfully:0
00000400:00000200:0.0:1628809321.585814:0:1949:0:(lib-move.c:4434:lnet_parse()) TRACE: 192.168.2.39@tcp2(192.168.2.39@tcp2) <- 192.168.2.35@tcp1 : REPLY - for me
00000400:00000200:0.0:1628809321.585821:0:1949:0:(lib-move.c:4199:lnet_parse_reply()) 192.168.2.39@tcp2: Reply from 12345-192.168.2.35@tcp1 of length 64/64 into md 0x25
00000400:00000200:0.0:1628809321.585827:0:1949:0:(lib-msg.c:1062:lnet_is_health_check()) health check = 1, status = 0, hstatus = 0
00000400:00000200:0.0:1628809321.585830:0:1949:0:(lib-msg.c:836:lnet_health_check()) health check: 192.168.2.39@tcp2->192.168.2.33@tcp2: REPLY: OK

Note, the reply is from 192.168.2.35@tcp1, but lnet_health_check is looking at the router NID that forwarded the message, 192.168.2.33@tcp2.

Comments

[Gerrit Updater]

"Chris Horn <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/44727
Subject: LU-14943 lnet: Allow specifying a source NID for lnetctl ping
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 2ac4dac5a08bdd14cf77c2d7705e04ac48cee007

[Gerrit Updater]

"Chris Horn <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/44731
Subject: LU-14943 lnet: Update health of message originator on receive
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 6763e07de7c69f28204e37f352788d9b2ea3ca17

[Chris Horn]

After further review of the LNet health architecture it was determined that this issue is not a bug.