Do you have sparse files on the first filesystem? Since the second filesystem has a larger blocksize than the first one, the copied file may not be sparse on the second filesystem. I think gpfs only supports holes that line up will a full filesystem block.
--Mike Dugan -- Michael J. Dugan Manager of Systems Programming and Administration Research Computing Services | IS&T | Boston University 617-358-0030 du...@bu.edu http://www.bu.edu/tech ________________________________ From: gpfsug-discuss-boun...@spectrumscale.org <gpfsug-discuss-boun...@spectrumscale.org> on behalf of Ulrich Sibiller <u.sibil...@science-computing.de> Sent: Wednesday, June 2, 2021 7:44 AM To: gpfsug-discuss@spectrumscale.org <gpfsug-discuss@spectrumscale.org> Subject: Re: [gpfsug-discuss] du --apparent-size and quota On 6/2/21 1:09 PM, Jonathan Buzzard wrote: >> My rsync is using -AHS, so this should not be relevant here. > > I wonder have you done more than one rsync? If so are you using --delete? > > If not and the source fileset has changed then you will be accumulating > files at the destination and it would explain the larger size. Yes, of course I have been using -delete (and -delete-excluded) ;-) Uli -- Science + Computing AG Vorstandsvorsitzender/Chairman of the board of management: Dr. Martin Matzke Vorstand/Board of Management: Matthias Schempp, Sabine Hohenstein Vorsitzender des Aufsichtsrats/ Chairman of the Supervisory Board: Philippe Miltin Aufsichtsrat/Supervisory Board: Martin Wibbe, Ursula Morgenstern Sitz/Registered Office: Tuebingen Registergericht/Registration Court: Stuttgart Registernummer/Commercial Register No.: HRB 382196 _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss
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