NEC S2900 User Manual

Contents

NEC S2900 User Manual Manual pdf 88 page image

718. TroubleshootingThe user may remove a defective component and install a new component for thereplacement according to the procedures described in this chapter. However, if so,NEC does not assume the responsibility for any damage of the disk array unit andcomponents and any influence resulting from the operation of the disk array unit.NEC recommends that you contact your Service Engineer or NEC trainedmaintenance service representative who has expert knowledge of the disk array unitto remove any defected component and install a new component.When adding disk drives or relocating their installed positions, perform the jobhandling the disk drives one by one. The change of disk drive installation positionswith LDNs assigned may cause some data to be lost.WARNINGShould the disk array unit demonstrate any sign of smoke/fire a fault such as thehalting of two or more cooling fans is found, turn off the power and disconnect thepower plugs from the AC outlets. Then ask your maintenance engineer to inspectand repair the disk array unit immediately. Using the disk array unit as it is maycause electric shock or fire to occur. The user must never repair the disk array unitbecause that is dangerous.CAUTION Note that the inside of the Disk Array unit has sharp edges, electricalconnections and other potential dangers to your hands and fingers. If a fault occurs in the disk array unit, the SERVICE LED on the array controller,the FAULT LED on the defected component, or the POWER FAIL LED lightscontact your Service Engineer or NEC trained maintenance servicerepresentative who has expert knowledge of the disk array unit, or prepare theproper maintenance component and replace the defective componentimmediately. Perform the replacement job as quickly as possible. Do not operate the diskarray unit for a long time in the state that one or more existing disk drives, powersupply, controller or fan is removed. Failure to practice this may cause a fault tooccur.