DO NOT REPLY [Bug 4768] New: problem sync big filesystem over slow connection

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=4768

           Summary: problem sync big filesystem over slow connection
           Product: rsync
           Version: 2.6.8
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P3
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: dieter.ferdinand at gmx.de
         QAContact: rsync-qa at samba.org


hello,
i have a big problem with rsync.

i use it to backup a lot of data over slow internet-connection from one system
to an other system.

if there are changed to many data, so rsync must sync too much, the connection
is broken or not all changed data can copied befor timeout is reached.

so it happens, that only 10% is synced from all data. after this break, rsync
must copy all data from 10% to 100% what is not needed, because 80% of this
data are at the backup-system.

i use the option --link-dest=dir to get one backup for every day of the month.

an option, which remember all files, which must be copied, and then copy this
files, after all hardlinks are maked, speed up the process.
with such an option, rsync must only copy all changed files and no more all
files, which are not synced the day bevor, even if they are copied in older
copies.
this option also save space, because no file must exist more than once.

goodby


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