[Bug 10675] New: rsyncing >2GB file onto fat32 partition should fail earlier

samba-bugs at samba.org samba-bugs at samba.org
Thu Jun 26 15:36:15 MDT 2014


           Summary: rsyncing >2GB file onto fat32 partition should fail
           Product: rsync
           Version: 3.1.0
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: darko.veberic at ijs.si
         QAContact: rsync-qa at samba.org

i have noticed that while rsyncing (-av) a whole directory (from linux ext4)
onto a fat32 filesystem on a usb disk there was a large >4GB file among the
files to be copied. while rsync should fail immediately encountering such a job
what really happened was strange: rsync continued to read all the other files
in the job but nothing has been written to the usb disk anymore. i have noticed
this since the i/o on my internal disk went to the max of 120 MB/s and the i/o
on the usb disk stayed at 0. at that point i pressed ctrl-c and, remarkably
late, got the corresponding error:

rsync error: received SIGINT, SIGTERM, or SIGHUP (code 20) at rsync.c(632)
rsync: write failed on "/media/luser/usbdisk/folder/dvd.iso": File too large
rsync error: error in file IO (code 11) at receiver.c(389) [receiver=3.1.0]

how to reproduce: format a usb disk with mkfs.vfat and try to rsync a directory
containing some files plus a large file over the >2GB fat32 limit.

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