Dell EqualLogic PS4210 Hardware Owner's Manual

Also see for EqualLogic PS4210: Installation and setup guide Installation

Contents

Dell EqualLogic PS4210 Hardware Owner's Manual Manual pdf 37 page image

4 Maintaining Power Supply and Cooling ModulesThe array can support two hot-swappable power supply and cooling modules.The array is capable of operating with one power supply cooling module temporarily, but both power supplycooling modules are required to maintain long-term cooling and reliability of the array.About Power SuppliesThe PS Series array receives power from two power supplies (PSUs).The PS4210 array contains two 700-watt PSUs, used in the 2U array. Each 700W power supply contains twocooling fans.The cooling fans contained in the power supply unit are not serviceable. If fan failures occur, the entire powersupply unit must be replaced.Identifying Power Supply FailuresYou can identify a power supply and cooling module failure by any or all of the following methods:• LEDs on the power supply and cooling modules. See Power Supply LEDs on page 31 for details.• Messages on the console, in the event log, or in the Group Manager GUI Alarms panel.• Group Manager GUI and CLI output. The GUI Member Enclosure window or the CLI member selectmember name show enclosure command shows a power supply and cooling module failure.When viewing the rear of the array, power supply 0 is on the left and power supply 1 is on the right.Power Supply LEDsThe power supplies and cooling modules have LEDs that indicate their status.Figure 26 illustrates the power supply LEDs. Table 8 describes these LEDs.Figure 26: 700W Power Supply LEDs31