It could mean a shortage of nsd server threads or a congested network.
Jim
On Thursday, October 4, 2018, 3:55:10 PM EDT, Buterbaugh, Kevin L
<[email protected]> wrote:
Hi All,
What does it mean if I have a few dozen very long I/O’s (50 - 75 seconds) on a
gateway as reported by “mmdiag —iohist” and they all reference two of my eight
NSD servers…
… but then I go to those 2 NSD servers and I don’t see any long I/O’s at all?
In other words, if the problem (this time) were the backend storage, I should
see long I/O’s on the NSD servers, right?
I’m thinking this indicates that there is some sort of problem with either the
client gateway itself or the network in between the gateway and the NSD
server(s) … thoughts???
Thanks in advance…
—Kevin Buterbaugh - Senior System AdministratorVanderbilt University - Advanced
Computing Center for Research and [email protected] -
(615)875-9633
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