Backup Central

Hi, can anybody tell me why I always see 2 or 3 rsync processes in my
process list when I start up an rsnapshot for a single machine? Have I
configured something the wrong way? Here is an example when running
'rsnapshot daily' for a machine called 'scratchy':

[root < at > scratchy ~]# ps aux | grep rsync
root 31055 2.6 0.1 16716 7112 ? D 17:46 0:05
/usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded
--exclude-from=/etc/rsnapshot/scratchy.excludes
--exclude=rsnapshot/scratchy-snapshots /.
/rsnapshot/scratchy-snapshots/daily.0/scratchy/
root 31056 0.8 0.1 16376 6404 ? S 17:46 0:01
/usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded
--exclude-from=/etc/rsnapshot/scratchy.excludes
--exclude=rsnapshot/scratchy-snapshots /.
/rsnapshot/scratchy-snapshots/daily.0/scratchy/
root 31071 2.7 0.1 16680 6572 ? S 17:47 0:04
/usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded
--exclude-from=/etc/rsnapshot/scratchy.excludes
--exclude=rsnapshot/scratchy-snapshots /.
/rsnapshot/scratchy-snapshots/daily.0/scratchy/
root 31148 0.0 0.0 61232 760 pts/0 S+ 17:50 0:00 grep rsync

Thanks.



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Rsync forks a couple of times, presumably to avoid rewriting code that already had to work in a client/server stylee when working across a network. It's nothing to worry about.

--
David Cantrell

This electrogram was despatched by wireless field telegraph. I would therefore ask that the recipient be so kind as to excuse any failures of courtesy or linguistic inelegance as an unfortunate side-effect of the technology.

On 23 Aug 2011, at 17:53, Khusro Jaleel <mailing-lists < at > kerneljack.com> wrote:

Hi, can anybody tell me why I always see 2 or 3 rsync processes in my
process list when I start up an rsnapshot for a single machine? Have I
configured something the wrong way? Here is an example when running
'rsnapshot daily' for a machine called 'scratchy':

[root < at > scratchy ~]# ps aux | grep rsync
root 31055 2.6 0.1 16716 7112 ? D 17:46 0:05
/usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded
--exclude-from=/etc/rsnapshot/scratchy.excludes
--exclude=rsnapshot/scratchy-snapshots /.
/rsnapshot/scratchy-snapshots/daily.0/scratchy/
root 31056 0.8 0.1 16376 6404 ? S 17:46 0:01
/usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded
--exclude-from=/etc/rsnapshot/scratchy.excludes
--exclude=rsnapshot/scratchy-snapshots /.
/rsnapshot/scratchy-snapshots/daily.0/scratchy/
root 31071 2.7 0.1 16680 6572 ? S 17:47 0:04
/usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded
--exclude-from=/etc/rsnapshot/scratchy.excludes
--exclude=rsnapshot/scratchy-snapshots /.
/rsnapshot/scratchy-snapshots/daily.0/scratchy/
root 31148 0.0 0.0 61232 760 pts/0 S+ 17:50 0:00 grep rsync

Thanks.



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On 08/23/2011 09:45 PM, David Cantrell wrote:
Rsync forks a couple of times, presumably to avoid rewriting code
that already had to work in a client/server stylee when working
across a network. It's nothing to worry about.


I'm sorry but I'm having trouble parsing what you wrote. "rewriting code
that already had to work in a client/server style"? There is no code
being re-written as far as I'm aware since it's a compiled program.

Could you please clarify what you meant? Thanks.

------------------------------------------------------------------------------
EMC VNX: the world's simplest storage, starting under $10K
The only unified storage solution that offers unified management
Up to 160% more powerful than alternatives and 25% more efficient.
Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
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On Tue, Aug 23, 2011 at 10:42:29PM +0100, Khusro Jaleel wrote:
On 08/23/2011 09:45 PM, David Cantrell wrote:
Rsync forks a couple of times, presumably to avoid rewriting code
that already had to work in a client/server stylee when working
across a network. It's nothing to worry about.
I'm sorry but I'm having trouble parsing what you wrote. "rewriting code
that already had to work in a client/server style"? There is no code
being re-written as far as I'm aware since it's a compiled program.
Could you please clarify what you meant? Thanks.

rsync has to work in client-server mode. There's a bunch of code
written for that. By forking and working in the same way even when only
using local filesystems, the programmers didn't have to do the same job
twice.

--
David Cantrell | Hero of the Information Age

"There's a hole in my bucket, dear Liza, dear Liza."
"WHAT MAKES YOU SAY THERE IS A HOLE IN YOUR BUCKET?"

------------------------------------------------------------------------------
EMC VNX: the world's simplest storage, starting under $10K
The only unified storage solution that offers unified management
Up to 160% more powerful than alternatives and 25% more efficient.
Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
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