DO NOT REPLY [Bug 5373] New: rsync uses more space in destination even with -S specified

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=5373

           Summary: rsync uses more space in destination even with -S
                    specified
           Product: rsync
           Version: 2.6.2
          Platform: PA-RISC
        OS/Version: AIX
            Status: NEW
          Severity: major
          Priority: P3
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: scott.bromley at identity-solutions.com.au
         QAContact: rsync-qa at samba.org


+++ This bug was initially created as a clone of Bug #3485 +++


I have a similar issue as Bug #3485 but on 2 AIX servers. The target
filesystems continually run out of free space even though they are larger in
size.

I am unable to use the sparse flag on rsync as the application relies on this
fact. I am unsure if the following highlights the possible problem but I have
attached an example of the AIX fileplace command showing an application file
and the first time I have copied this file using rsync.

Source server
 # fileplace -v ALACTCP

File: ALACTCP  Size: 19724 bytes  Vol: /dev/cslv
Blk Size: 4096  Frag Size: 4096  Nfrags: 5
Inode: 6707  Mode: -rwxrwxrwx  Owner: root  Group: system

  Logical Extent
  --------------
  00894164-00894167              4 frags        16384 Bytes,  80.0%
  00894175                       1 frags         4096 Bytes,  20.0%

  5 frags over space of 12 frags:   space efficiency = 41.7%
  2 extents out of 5 possible:   sequentiality = 75.0%


Target Server
# fileplace -v ALACTCP

File: ALACTCP  Size: 19724 bytes  Vol: /dev/cslv
Blk Size: 4096  Frag Size: 4096  Nfrags: 5
Inode: 4  Mode: -rwxrwxrwx  Owner: root  Group: system

  Logical Extent
  --------------
  00000512-00000516              5 frags        20480 Bytes,  100.0%

  5 frags over space of 5 frags:   space efficiency = 100.0%
  1 extent out of 5 possible:   sequentiality = 100.0%


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