On Jan 20, 2006, at 3:04 PM, Paul Zarnowski wrote:

Details:  We have a rack which contains our TSM AIX server along with
a CISCO SAN Director.  The rack has 4 power circuits.  All equipment
had dual power supplies, however - due to a human oversight - two of
the RIO drawers had their redundant power supplies plugged into the
same circuit.  I know - a preventable error, but nonetheless, this
resulted in log corruption that would have caused us much more grief
had we not had the mirror copy.  A power supply in the SAN Director
blew, tripping the circuit that also had both redundant power
supplies in the RIO drawer, taking down our AIX server hard.

Amen.
There are also those computer room managers who go to Radio Shack and
buy consumer power strips for the equipment in the racks...strips
which always have a rocker switch on them.  The inevitable, dire
results are predictable.  And even after the "accident", they leave
the same power strips in place.

   Richard Sims