Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Message-Id: <4.3.1.2.20021226184954.016ece98@pop.rcn.com> X-Sender: lhall@pop.rcn.com Date: Thu, 26 Dec 2002 18:58:20 -0500 To: Michael Bourgon , cygwin@cygwin.com From: "Larry Hall (RFK Partners, Inc)" Subject: Re: Rsync issue - can it handle files larger than 2 gigabytes? In-Reply-To: <20021226180657.55238.qmail@web11107.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" At 01:06 PM 12/26/2002, Michael Bourgon wrote: >I'm trying to sync a 2.21 gigabyte file (so, a "large >file") between Win2k and Win2k, where the client is >pushing the file to the server (which is running >"rsync --daemon --no-detach"). > >It fails, and to isolate the problem, I tried cp'ing >the file: > > cp /cygdrive/f/MY_db_200212252102.BAK /tmp > >which works successfully. I then tried to rsync the >same file: > > rsync -a -vv -W --include=MY_db_200212252102.BAK >--exclude=*.* /cygdrive/f/ /tmp > >It appears to replace the file with a 0-byte file. > >Here's the log from when it runs: > >building file list ... >expand file_list to 4000 bytes, did move >including file MY_db_200212252102.BAK because of >pattern MY_db_200212252102.BAK >done >./ >MY_db_200212252102.BAK >total: matches=0 tag_hits=0 false_alarms=0 >data=-1911686656 >wrote 150 bytes read 36 bytes 124.00 bytes/sec >total size is -1911686656 speedup is -10277885.25 > >Does anyone know if there's anything I need to do to >get large file support? (I did have 4.58 gig free, so >it wasn't due to lack of space) Thanks. Looks to me like you're running into 32-bit integer overflows. While Cygwin internals don't support 64-bit either, judging from the output above, I'm guessing that rsync problem you're seeing is internal to rsync. A closer look at the code would help you determine that for sure. In any case, this is an indication that file sizes beyond 2GB don't work. Larry Hall lhall@rfk.com RFK Partners, Inc. http://www.rfk.com 838 Washington Street (508) 893-9779 - RFK Office Holliston, MA 01746 (508) 893-9889 - FAX -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/