DO NOT REPLY [Bug 3846] New: rsync silently transfers blocks of zero bytes on read errors

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=3846

           Summary: rsync silently transfers blocks of zero bytes on read
                    errors
           Product: rsync
           Version: 2.6.8
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P3
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: jochen at penguin-breeder.org
         QAContact: rsync-qa at samba.org


when rsync fails to read part of a file, it silently transfers blocks of zero
bytes instead of the actual data.

This renders rsync useless for most kinds of backup applications, because in
case of a hardware failure, all backups may be already destroyed by blocks of
zeros, and you have a hard time to figure out which files are intact (i.e.
should contain such blocks) and which are not (i.e. rsync introduced such
blocks), because there isn't even a information in any log.

I'd suggest to introduce an option --ignore-read-errors which exhibits the
current behaviour and fail on read-errors as per default.


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