Things might get a bit "interesting" if you use cron to start one
while another is still running.
On the client side, I would keep the client running permanently,
maybe sleeping a bit between passes.
However, I would be surprised if you actually got into trouble
running the client from a cron job, particularly with
max connections = 1
in the server-side /etc/rsyncd.conf
Unless you are doing something pretty exotic, my experience
is that different versions do in fact work very well together.
Main thing to be aware of is that foo and foo/
on the sending side do NOT mean the same thing.
(Same stuff is transferred, but there is a difference
of one level in the target where it is transferred to)
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of
dtra-fyf
Sent: Wednesday, May 18, 2005 5:17 AM
To: Jay Strauss
Cc: rsync@lists.samba.org
Subject: Re: does rsync run as a service?
Jay Strauss wrote:
> dtra wrote:
>
>> hi all
>>
>> sorry for the question, but i can't seem to find information on this
>> i'm a linux novice, we are looking to do web server backups
>> i'm using redhat 9, rsync 2.6.4 (among others, rhel3 as well)
>> but is rsync always checking for changes
>> or does it only run when invoked from the command line (if this is the
>> case, can it be run as a service, and would this be practical if there
>> are constant file uploads)?
>>
>> one more quick question, do different versions of rsync work together?
>>
>> thanks
>> dave
>>
>
> rsync can run as a daemon on the box that you want to store or retrieve
> files from, by issuing "rsync --daemon" google "rsync server setup".
>
> But to answer your question, NO rsync does not automatically back things
> up, it's a utility that you can write a script around, and schedule.
> There is one I've been playing with called "Snapback", go to
> search.cpan.org and search for "snapback".
>
> As far a different versions of rsync playing well together, my guess is
> yes, as long as you use the common set of options and functionality
> between the two versions. Someone will correct me if I'm wrong
>
> Jay
>
>
if i just use cron to call rsync every 5 minutes or something, is there any
chance of conflicts?
as in one process hasn't finished when the next one begins
are there any known issues with just calling rsync in the cron job?
i can setup the server to go through ssh without using a password
also, i know that this is an rsync mailing list, but have you heard of
any software that does synchronise files on two servers as a service?
dave
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