Lohit, Just be aware that exporting the data from GPFS via SMB requires a SERVER license for the node in question. You’ve mentioned client a few times now. :)
-- Stephen > On May 15, 2018, at 6:48 PM, Lohit Valleru <vall...@cbio.mskcc.org> wrote: > > Thanks Christof. > > The usecase is just that : it is easier to have symlinks of files/dirs from > various locations/filesystems rather than copying or duplicating that data. > > The design from many years was maintaining about 8 PB of NFS filesystem with > thousands of symlinks to various locations and the same directories being > exported on SMB. > > Now we are migrating most of the data to GPFS keeping the symlinks as they > are. > Thus the need to follow symlinks from the GPFS filesystem to the NFS > Filesystem. > The client wants to effectively use the symlinks design that works when used > on Linux but is not happy to hear that he will have to redo years of work > just because GPFS does not support the same. > > I understand that there might be a reason on why CES might not support this, > but is it an issue if we run SMB server on the GPFS clients to expose a read > only or read write GPFS mounts? > > Regards, > > Lohit > > On May 15, 2018, 6:32 PM -0400, Christof Schmitt > <christof.schm...@us.ibm.com>, wrote: >> > I could use CES, but CES does not support follow-symlinks outside >> > respective SMB export. >> >> Samba has the 'wide links' option, that we currently do not test and support >> as part of the mmsmb integration. You can always open a RFE and ask that we >> support this option in a future release. >> >> > Follow-symlinks is a however a hard-requirement for to follow links >> > outside GPFS filesystems. >> >> I might be reading this wrong, but do you actually want symlinks that point >> to a file or directory outside of the GPFS file system? Could you outline a >> usecase for that? >> >> Regards, >> >> Christof Schmitt || IBM || Spectrum Scale Development || Tucson, AZ >> christof.schm...@us.ibm.com || +1-520-799-2469 <tel:+1-520-799-2469> >> (T/L: 321-2469 <tel:321-2469>) >> >> >> ----- Original message ----- >> From: vall...@cbio.mskcc.org >> Sent by: gpfsug-discuss-boun...@spectrumscale.org >> To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org> >> Cc: >> Subject: [gpfsug-discuss] SMB server on GPFS clients and Followsymlinks >> Date: Tue, May 15, 2018 3:04 PM >> >> Hello All, >> >> Has anyone tried serving SMB export of GPFS mounts from a SMB server on GPFS >> client? Is it supported and does it lead to any issues? >> I understand that i will not need a redundant SMB server configuration. >> >> I could use CES, but CES does not support follow-symlinks outside respective >> SMB export. Follow-symlinks is a however a hard-requirement for to follow >> links outside GPFS filesystems. >> >> Thanks, >> Lohit >> >> >> _______________________________________________ >> gpfsug-discuss mailing list >> gpfsug-discuss at spectrumscale.org >> http://gpfsug.org/mailman/listinfo/gpfsug-discuss >> <http://gpfsug.org/mailman/listinfo/gpfsug-discuss> >> >> >> _______________________________________________ >> gpfsug-discuss mailing list >> gpfsug-discuss at spectrumscale.org >> http://gpfsug.org/mailman/listinfo/gpfsug-discuss > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at spectrumscale.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss
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