Do you consistently get the sshd=down for the same 4 nodes and their
status is "sshd"? Can you try "nodestat -up -f compute" and see if you
get the same result? (Can you clear the appstatus field for each try and
compare the result.?
Ling
Ling Gao
Poughkeepsie Unix Development Lab
IBM Systems and Technology Group
Internal: T/L 293-5692
External: [email protected], 845-433-5692
"I never worry about the future. It comes soon enough." --- Albert
Einstein
From: Daniel Letai <[email protected]>
To: xCAT Users Mailing list <[email protected]>
Date: 04/21/2015 09:59 AM
Subject: [xcat-user] nodestat -u differs from nodels
nodelist.appstatus
Hi,
I'm trying to implement some kind of basic liveness test for nodes in
the cluster based on results from nodestat -p:
1. noping(off) - powered off node
2. noping(on) - zombie node
3. noping - dead node (both os and ipmi non-responsive)
4. sshd - live node
5. all else (installing prep etc.)
I have put "nodestat -up" into cron, and nodelist table gets updated
as expected, however when trying to get the same results I notice some
big differences.
For example:
# nodestat -up compute | grep -v sshd | wc -l
48
# nodels compute nodelist.appstatus=~"sshd=down" | wc -l
4
I have confirmed all 4 nodes are a subset of the 48 nodes from nodestat.
The status column does provide the ping/noping(on|off) info, but for
most nodes with status noping the appstatus field shows "sshd=up"
Am I missing something?
The xCAT version is 2.8.3
An upgrade to 2.9.x is not practical at this time (it is scheduled),
but in any event I hadn't seen anything in the release notes that
might be relevant.
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