Bi-Annual Tasks; Activity And Processes - Oracle StorageTek SL3000 User Manual

Activity and Processes

Bi-Annual Tasks

The subfloor void should be decontaminated every 18 months to 24 months based on
the conditions of the plenum surfaces and the degree of contaminant accumulation.
Over the course of the year, the subfloor void undergoes a considerable amount of
activity that creates new contamination accumulations. Although the weekly above
floor cleaning activities will greatly reduce the subfloor dust accumulations, a certain
amount of surface dirt will migrate into the subfloor void. It is important to maintain
the subfloor to a high degree of cleanliness since this area acts as the hardware's
supply air plenum. It is best to perform the subfloor decontamination treatment in a
short time frame to reduce cross contamination. The personnel performing this
operation should be fully trained to assess cable connectivity and priority. Each
exposed area of the subfloor void should be individually inspected and assessed for
possible cable handling and movement. All twist-in and plug-in connections should be
checked and fully engaged before cable movement. All subfloor activities must be
conducted with proper consideration for air distribution and floor loading. In an effort
to maintain access floor integrity and proper psychrometric conditions, the number of
floor tiles removed from the floor system should be carefully managed. In most cases,
each work crew should have no more than 24 square feet (six tiles) of open access
flooring at any one time. The access floor's supporting grid system should also be
thoroughly decontaminated, first by vacuuming the loose debris and then by
damp-sponging the accumulated residue. Rubber gaskets, if present, as the metal
framework that makes up the grid system should be removed from the grid work and
cleaned with a damp sponge as well. Any unusual conditions, such as damaged floor
suspension, floor tiles, cables and surfaces, within the floor void should be noted and
reported.
Activity and Processes
Isolation of the data center is an integral factor in maintaining appropriate conditions.
All unnecessary activity should be avoided in the data center, and access should be
limited to necessary personnel only. Periodic activity, such as tours, should be limited,
and traffic should be restricted to away from the hardware so as to avoid accidental
contact. All personnel working in the room, including temporary employees and
janitorial personnel, should be trained in the most basic sensitivities of the hardware
so as to avoid unnecessary exposure. The controlled areas of the data center should be
thoroughly isolated from contaminant producing activities. Ideally, print rooms, check
sorting rooms, command centers or other areas with high levels of mechanical or
human activity should have no direct exposure to the data center. Paths to and from
these areas should not necessitate traffic through the main data center areas.
F-10 StorageTek SL3000 User's Guide