Understanding rsync --delete behavior

[Kevin Korb]

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My guess is that you did it wrong once in the past and have an extra
/mnt/AS5/AS5 on the target that is being purged.  Take a look for that
possibility and also try again with an addition -v and with
- --itemize-changes.

On 06/17/12 20:55, Richard Zinar wrote:
> Hi,
> 
> When running an rsync command of the form:
> 
> $ rsync -avn --delete remotehost:/mnt/volsw_dev/AS5/
> /mnt/volsw_dev/AS5
> 
> rsync wants to delete a slew of files and directories.  Partial
> output includes, for example:
> 
> 
> deleting AS5/zeromq/2.2.0/share/man/man7/zmq_tcp.7 deleting
> AS5/zeromq/2.2.0/share/man/man7/zmq_pgm.7 deleting
> AS5/zeromq/2.2.0/share/man/man7/zmq_ipc.7 deleting
> AS5/zeromq/2.2.0/share/man/man7/zmq_inproc.7 deleting
> AS5/zeromq/2.2.0/share/man/man7/zmq_epgm.7 deleting
> AS5/zeromq/2.2.0/share/man/man7/zmq_cpp.7 deleting
> AS5/zeromq/2.2.0/share/man/man7/zmq.7 deleting
> AS5/zeromq/2.2.0/share/man/man7/ deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_version.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_term.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_strerror.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_socket.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_setsockopt.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_send.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_recv.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_poll.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_msg_size.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_msg_move.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_msg_init_size.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_msg_init_data.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_msg_init.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_msg_data.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_msg_copy.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_msg_close.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_init.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_getsockopt.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_errno.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_device.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_connect.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_close.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/zmq_bind.3 deleting
> AS5/zeromq/2.2.0/share/man/man3/ deleting
> AS5/zeromq/2.2.0/share/man/ deleting AS5/zeromq/2.2.0/share/ 
> deleting AS5/zeromq/2.2.0/lib/pkgconfig/libzmq.pc deleting
> AS5/zeromq/2.2.0/lib/pkgconfig/ deleting
> AS5/zeromq/2.2.0/lib/libzmq.so.1.0.1 deleting
> AS5/zeromq/2.2.0/lib/libzmq.so.1 deleting
> AS5/zeromq/2.2.0/lib/libzmq.so deleting
> AS5/zeromq/2.2.0/lib/libzmq.la deleting
> AS5/zeromq/2.2.0/lib/libzmq.a deleting AS5/zeromq/2.2.0/lib/ 
> deleting AS5/zeromq/2.2.0/include/zmq_utils.h deleting
> AS5/zeromq/2.2.0/include/zmq.hpp deleting
> AS5/zeromq/2.2.0/include/zmq.h deleting AS5/zeromq/2.2.0/include/ 
> deleting AS5/zeromq/2.2.0/ deleting AS5/zeromq/
> 
> 
> However, if I run command:
> 
> $ rsync -avn --delete remotehost:/mnt/volsw_dev/AS5/zeromq/ 
> /mnt/volsw_dev/AS5/zeromq
> 
> There are no changes reported (which is what I expected).
> 
> Why does doing the rsync one level up (without zeromq) cause rsync
> to indicate the local zeromq directory should be deleted, but
> adding the zeromq directory to the source and destination path make
> rsync work as I expect?
> 
> I'm sure I'm missing something basic in the way --delete works, but
> if someone can explain, I'd appreciate it.  This is rsync 3.0.6 (on
> both the local and remote server).
> 
> Thanks,
> 
> Richard

- -- 
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	Kevin Korb			Phone:    (407) 252-6853
	Systems Administrator		Internet:
	FutureQuest, Inc.		Kevin at FutureQuest.net  (work)
	Orlando, Florida		kmk at sanitarium.net (personal)
	Web page:			http://www.sanitarium.net/
	PGP public key available on web site.
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