[CentOS] oops, or how to bring a datacenter router down with one setting

Fri Feb 10 22:02:38 UTC 2012
m.roth at 5-cent.us <m.roth at 5-cent.us>

Devin Reade wrote:
> --On Friday, February 10, 2012 04:40:59 PM -0500 m.roth at 5-cent.us wrote:
>> Devin Reade wrote:
>> <snip>
>>> or when some fool decides that they can unplug a network cable
>>> briefly so that they can move other cables around).
>> Now wait a minute - I would dearly love to disconnect some cables we
>> have in a shared rack downstairs in the datacenter [...]
> My complaint is not with moving cables, it's in doing so without
> having proper change control.
Change control? We're talking about a datacenter that provides racks,
power, and connectivity, and the responsible folks from various Institutes
get to rack, connect, etc them all....

> Clean data centers == good
> Arbitrarily moving hardware without planning and authorization == bad

The racks are locked, so no one who doesn't have access to the rack can do
anything, but this shared rack!