[gpfsug-discuss] CES nodes mount nfsv3 not responding

[Ravi K Komanduri]

My two cents,

Have the SELinux enabled on my RH7.3 cluster (where CES nodes are RH 7,3). 
GPFS latest version(4.2.2) is on the cluster. 
Non SELinux env, should mount w/o issues as well

Tried mounting for 50 iters as V3 for 2 different mounts from 4 client 
nodes. Ran successfully. My client nodes are RH/SLES clients

Could you elaborate further. 

With Regards,
Ravi K Komanduri




From:   Matt Weil <mweil at wustl.edu>
To:     <gpfsug-discuss at spectrumscale.org>
Date:   01/04/2017 07:00 AM
Subject:        Re: [gpfsug-discuss] CES nodes mount nfsv3 not responding
Sent by:        gpfsug-discuss-bounces at spectrumscale.org





On 1/3/17 4:40 PM, Laurence Horrocks-Barlow wrote:
Andrew,

You may have been stung by:

2.34 What considerations are there when running on SELinux?

https://www.ibm.com/support/knowledgecenter/en/STXKQY/gpfsclustersfaq.html?view=kc#selinux
se is disabled here.
Also if you strace the parent ganesha.nfsd process it dies.  Is that a 
bug?

I've see this issue on a customer site myself.


Matt,

Could you increase the logging verbosity and check the logs further? As 
per 
http://www.ibm.com/support/knowledgecenter/STXKQY_4.1.1/com.ibm.spectrum.scale.v4r11.pdg.doc/bl1pdg_CESNFSserverlog.htm
yes bumped it to the max of 3 not much help.

-- Lauz

On 3 January 2017 22:19:20 GMT+00:00, Andrew Beattie 
<abeattie at au1.ibm.com> wrote: 
Matt
 
What Operating system are you running?
 
I have an open PMR at present with something very similar
when ever we publish an NFS export via the protocol nodes the nfs service 
stops, although we have no issues publishing SMB exports.
 
I"m waiting on some testing by the customer but L3 support have indicated 
that they think there is a bug in the SElinux code, which is causing this 
issue, and have suggested that we disable SElinux and try again.
 
My clients environment is currently deployed on Centos 7.
Andrew Beattie
Software Defined Storage  - IT Specialist
Phone: 614-2133-7927
E-mail: abeattie at au1.ibm.com
 
 
----- Original message -----
From: Matt Weil <mweil at wustl.edu>
Sent by: gpfsug-discuss-bounces at spectrumscale.org
To: <gpfsug-discuss at spectrumscale.org>
Cc:
Subject: [gpfsug-discuss] CES nodes mount nfsv3 not responding
Date: Wed, Jan 4, 2017 6:27 AM
  
this follows the IP what ever node the ip lands on. the ganesha.nfsd
process seems to stop working.  any ideas?  there is nothing helpful in
the logs.
 
time mount ces200:/vol/aggr14/temp403 /mnt/test
mount.nfs: mount system call failed

real    1m0.000s
user    0m0.000s
sys     0m0.010s
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-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity. 

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