[CentOS] Cloning Centos server with RSync - what to exclude?
bob at nleaudio.com
Thu Oct 8 18:25:41 UTC 2009
I have a few CentOS servers that I want to mirror live, to be standby
spares. The "spare" machines could be either a different machine (with
a different motherboard), or a VM in Vmware server.
I've used rsync in the past, which works well for doing it while the
machine is live. However, I want the destination to be running
different hardware, and have a different IP address assigned to the
nic. My goal is to rsync everything -except- the files that pertain to
the network interface, and the file system mount points.
My process is this:
1. Install Centos on "spare" machine, configure for proper ethernet.
2. Rsync from live to spare, excluding files pertaining to NIC and FS.
Then if it needs to go live, I simply change the IP address, and I'm off
The question is: what do I exclude? I know
/etc/sysconfig/network-scripts/, /etc/fstab, and /etc/modules*, but what
else? I think there may be some stuff in /var also that deals with
raid, etc. The live computer is running software raid, while the backup
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