[CentOS] Consecutive Jobs

[Mihai T. Lazarescu]

On Wed, Apr 07, 2010 at 11:47:10AM +0000, Joseph L. Casale wrote:

> >If you could explain a bit more in detail it would be a lot clearer on
> >what you really want.  The drawback is if you cron job it on every node
> >you must have a precise time server for ntp on the local subnet or your
> >effectively PPPing in the wind.
> 
> John,
> They all mirror to this one file server based on a snapshot they take at
> that time as the data is constantly changing.
> 
> Once they all complete their mirror to this file server, that file server
> is then instructed by ssh with key auth to rsync that data set remotely.
> 
> The file server can handle any number of local dumps on to it, but if more
> than 1 local machine instructs it to rsync remotely, that is where the trouble
> starts.

Looks like a FIFO.  It may work by feeding the commands through
a named pipe to a script that just waits for them and executes
one at a time.

Mihai