Samba and NFS server on same system using same filesystems

Ron Short short at
Thu Dec 8 20:06:30 UTC 2016

Would I want to be looking at kernel oplocks in this situation?

On 12/8/2016 14:03, Volker Lendecke wrote:
> On Thu, Dec 08, 2016 at 10:20:59AM -0600, Ron Short wrote:
>> This would be installed on a RHEL 6.7/8 system.  As far as I know, it's
>> usage would be to provide the data to a 52 node cluster via NFS AND serve
>> the XFS filesystem as Samba shares to the ~60 Windows workstations.
>> Little is known about the actual applications/data to be used, but likely
>> input files to simulation runs, output files and misc "stuff".  Expect that
>> a subset of the compute nodes would be processing the data via NFS and the
>> Windows workstations via Samba would be used for pre and post processing of
>> the results.
> As long as the applications do workflow coordination themselves,
> you're probably okay. Things get intersting if some applications read
> data that is still being written by the other protocol. Video ingest
> and processing is very prone to doing that with all sorts of
> performance and integrity issues.
> Volker

Ron Short                                       email: short at
Solutions Architect                             office: 651/683-7542
SGI Global Professional Services                fax: 651/683-5276

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