On 6/26/2014 5:36 PM, samba-b...@samba.org wrote:
https://bugzilla.samba.org/show_bug.cgi?id=10675
Summary: rsyncing >2GB file onto fat32 partition should fail
earlier
Product: rsync
Version: 3.1.0
Platform: x86
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P5
Component: core
AssignedTo: way...@samba.org
ReportedBy: darko.vebe...@ijs.si
QAContact: rsync...@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)
[sender=3.1.0]
rsync: write failed on "/media/luser/usbdisk/folder/dvd.iso": File too large
(27)
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.
I don't think it's reasonable to expect rsync, or any other such tool,
to include a database of all the quirks and limitations of all the
different filesystems in existence, including all their different
versions and options.
But it might be possible for rsync to fail earlier on this particular
problem by just attempting to allocate the space when it fist goes to
transfer the file, and aborting if that fails. It wouldn't know or care
what kind of filesystem the destination has. It wouldn't fail at the
beginning of the rsync job, just at the beginning of that file.
I don't know how to handle --inplace, just add space to the end of the file?
--
bkw
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