[CentOS] "Site down for maintenance" - How is this accomplished?
Chris Boyd
cboyd at gizmopartners.com
Fri Aug 24 18:13:18 UTC 2007
On Aug 23, 2007, at 10:30 PM, Feizhou wrote:
> Keep or setup a box inhouse to show the message, when the servers
> are online in the data center, switch ips for the names over and
> then change the setup on the box to either redirect or proxy the
> requests to the real servers to handle incoming http requests due
> to cached dns entries.
Also, lower the cache time in your nameserver's zone files so that
people will see the new IP addresses faster. 3600 seconds works
pretty well, but I've used as little as 120 seconds for sites that
are more popular.
--Chris
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