[gpfsug-discuss] GPFS 4.2.3-9 and RHEL 7.5 (Wilson, Neil)

Fri Jul 27 13:06:11 BST 2018

Hello,

no it is not. It's a bug in GPFS vfs layer, efix has been already released. 

On Fri, Jul 27, 2018 at 06:56:02AM -0500, IBM Spectrum Scale wrote:
> 
> errno 521 is EBADHANDLE (a Linux NFS error); it is not from spectrum scale.
> 
> 
>    /* Defined for the NFSv3 protocol */
>    #define EBADHANDLE		 521		 /* Illegal NFS file handle */
> 
> 
> Regards, The Spectrum Scale (GPFS) team
> 
> ------------------------------------------------------------------------------------------------------------------
> 
> If you feel that your question can benefit other users of  Spectrum Scale
> (GPFS), then please post it to the public IBM developerWroks Forum at
> https://www.ibm.com/developerworks/community/forums/html/forum?id=11111111-0000-0000-0000-000000000479.
> 
> 
> If your query concerns a potential software error in Spectrum Scale (GPFS)
> and you have an IBM software maintenance contract please contact
> 1-800-237-5511 in the United States or your local IBM Service Center in
> other countries.
> 
> The forum is informally monitored as time permits and should not be used
> for priority messages to the Spectrum Scale (GPFS) team.
> 
> 
> 
> From:	Brunet Pierre-Marie <pierre-marie.brunet at cnes.fr>
> To:	"gpfsug-discuss at spectrumscale.org"
>             <gpfsug-discuss at spectrumscale.org>
> Date:	07/26/2018 07:17 PM
> Subject:	Re: [gpfsug-discuss] GPFS 4.2.3-9 and RHEL 7.5 (Wilson, Neil)
> Sent by:	gpfsug-discuss-bounces at spectrumscale.org
> 
> 
> 
> Hi,
> 
> We are facing the same issue : we just upgrade our cluster to GPFS 4.2.3-9
> and RHEL 7.5 with 4 gateways servers executing Kernel NFS...
> => random "Unknown error 521" on NFS clients.
> 
> Thanks to this thread we decided to downgrade to RHEL 7.4 and (fingers
> crossed !) up to now, it seems to work properly.
> 
> Is there any official recommendation from IBM on this problem ?
> 
> Regards,
> PM
> --
> HPC center
> French space agency
> 
> -----Message d'origine-----
> De : gpfsug-discuss-bounces at spectrumscale.org
> <gpfsug-discuss-bounces at spectrumscale.org> De la part de
> gpfsug-discuss-request at spectrumscale.org
> Envoyé : jeudi 14 juin 2018 13:00
> À : gpfsug-discuss at spectrumscale.org
> Objet : gpfsug-discuss Digest, Vol 77, Issue 19
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> Today's Topics:
> 
>    1. Re: GPFS 4.2.3-9 and RHEL 7.5 (Tomer Perry)
>    2. Re: GPFS 4.2.3-9 and RHEL 7.5 (Wilson, Neil)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 13 Jun 2018 17:45:44 +0300
> From: "Tomer Perry" <TOMP at il.ibm.com>
> To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
> Subject: Re: [gpfsug-discuss] GPFS 4.2.3-9 and RHEL 7.5
> Message-ID:
> 
> <OF826A0F69.C86BD2AB-ONC22582AB.0050FE8E-C22582AB.00511712 at notes.na.collabserv.com>
> 
> 
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Please open a service ticket
> 
> 
> Regards,
> 
> Tomer Perry
> Scalable I/O Development (Spectrum Scale)
> email: tomp at il.ibm.com
> 1 Azrieli Center, Tel Aviv 67021, Israel
> Global Tel:    +1 720 3422758
> Israel Tel:      +972 3 9188625
> Mobile:         +972 52 2554625
> 
> 
> 
> 
> From:   Lukas Hejtmanek <xhejtman at ics.muni.cz>
> To:     gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
> Date:   13/06/2018 13:14
> Subject:        Re: [gpfsug-discuss] GPFS 4.2.3-9 and RHEL 7.5
> Sent by:        gpfsug-discuss-bounces at spectrumscale.org
> 
> 
> 
> On Wed, Jun 13, 2018 at 12:48:14PM +0300, Tomer Perry wrote:
> > knfs is supported  - with or without the cNFS feature ( cNFS will add
> > HA
> 
> > to NFS on top of GPFS -
> >
> https://www.ibm.com/support/knowledgecenter/en/STXKQY_5.0.1/com.ibm.spectrum.scale.v5r01.doc/bl1adv_cnfs.htm
> 
> 
> > ).
> >
> > knfs and cNFS can't coexist with CES in the same environment.
> 
> well, I use knfs and no CNFS n RHEL 7.5 and getting mentioned issues.
> 
> --
> Luk?? Hejtm?nek
> 
> Linux Administrator only because
>   Full Time Multitasking Ninja
>   is not an official job title
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> ------------------------------
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> Message: 2
> Date: Wed, 13 Jun 2018 15:14:53 +0000
> From: "Wilson, Neil" <neil.wilson at metoffice.gov.uk>
> To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
> Subject: Re: [gpfsug-discuss] GPFS 4.2.3-9 and RHEL 7.5
> Message-ID:
> 
> <VI1PR01MB3869195DA7652219D5E3C6FDC67E0 at VI1PR01MB3869.eurprd01.prod.exchangelabs.com>
> 
> 
> Content-Type: text/plain; charset="utf-8"
> 
> We are running a cNFS on GPFS 4.2.3-9 on 7.4 and kernel version
> 3.10.0-693.21.1.el7.x86_64 and are not having any errors.
> So it's probably just GPFS not being ready for 7.5 yet.
> 
> Neil.
> 
> Neil Wilson? Senior IT Practitioner
> Storage, Virtualisation and Mainframe Team?? IT Services
> Met Office FitzRoy Road Exeter Devon EX1 3PB United Kingdom
> 
> 
> -----Original Message-----
> From: gpfsug-discuss-bounces at spectrumscale.org
> <gpfsug-discuss-bounces at spectrumscale.org> On Behalf Of Jonathan Buzzard
> Sent: 13 June 2018 10:33
> To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
> Subject: Re: [gpfsug-discuss] GPFS 4.2.3-9 and RHEL 7.5
> 
> On Wed, 2018-06-13 at 11:10 +0200, Lukas Hejtmanek wrote:
> > Hello,
> >
> > did anyone encountered an error with RHEL 7.5 kernel 3.10.0-
> > 862.3.2.el7.x86_64 and the latest GPFS 4.2.3-9 with kernel NFS?
> >
> > I'm getting random errors: Unknown error 521. It means EBADHANDLE.
> > Not sure whether it is due to kernel or GPFS.
> >
> 
> GPFS being not supported on 7.5 at this time would be the starting point. I
> am also under the impression that kernel NFS was not supported either it's
> Ganesha or nothing.
> 
> The interim fix is probably to downgrade to a 7.4 kernel. Certainly in the
> past that has worked for me.
> 
> JAB.
> 
> --
> Jonathan A. Buzzard?????????????????????????Tel: +44141-5483420 HPC System
> Administrator, ARCHIE-WeSt.
> University of Strathclyde, John Anderson Building, Glasgow. G4 0NG
> 
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-- 
Lukáš Hejtmánek

Linux Administrator only because
  Full Time Multitasking Ninja 
  is not an official job title