Re: rsync

[lina <lina.lastname@gmail.com>]

On Sat, Mar 3, 2012 at 1:54 AM, Bob Proulx <bob@proulx.com> wrote:
> lina wrote:
>> Is it wrong when use
>>
>> rsync -azvu source destination
>>
>> sent 16 bytes  received 43 bytes  5.13 bytes/sec
>> total size is 1507939808  speedup is 25558301.83
>>
>> Destination $ du -sh md_0.xtc
>> 342M  md_0.xtc
>>
>> Source $ du -sh md_0.xtc
>> 1.5G  md_0.xtc
>>
>> my confusion is that
>> why it stopped copy the rest.
>
> Is the time correct between your client and file system server?
>
>  $ touch foo ; ls -ldog --full-time foo ; date "+%F %T"
>  -rw-rw-r-- 1 0 2012-02-28 10:42:29.000000000 -0700 foo
>  2012-02-28 10:42:29

source $ $ ls -ldog --full-time md_0.xtc ; date "+%F %T"
-rw-r--r--  1 1507939808 2012-03-02 20:00:00.456168000 +0800 md_0.xtc

destination $ ls -ldog --full-time md_0.xtc
-rw-r--r-- 1 1507939808 2012-03-02 20:00:00.000000000 +0800 md_0.xtc

>
> If the times are different by more than a second then you have clock
Seems less than 1 second.

> problems to fix.  The time is critical so that file timestamps are
> correct so that rsync can file compare times.
>
> If you want to ignore time and force a bit comparison then use the
here you mean "byte", not "bit"
> rsync -c option.
>
>  $ rsync -aczv source destination
>
> Bob