IBM xSeries 342 2RX Maintenance Manual

Contents

v The system is restartedv A new problem occursYou can use the Remind button to delay server maintenance until a later time.Also, resetting the system-error light enables the LED to react to another error. Ifthe LED is still blinking from the first error, it will mask additional errors.Integrated System Management Processor LEDThe xSeries 342 server has an Integrated System Management Processor feature onthe system board. The green Integrated System Management Processor LEDflashes, indicating that the system temperature, fan speeds, voltage ranges, powersupplies, power backplane, and DASD backplane are being monitored. If an erroroccurs in any of these areas, the Integrated System Management Processor turns onthe respective error LED on the Light Path Diagnostics panel. If the IntegratedSystem Management Processor LED remains on or off, an Integrated SystemManagement error has occurred.Before you beginBefore you begin to install options in your server, read the following information:v Become familiar with the safety and handling guidelines specified under“Working inside a server with power on” on page 43, “Handling static-sensitivedevices” on page 43, and read “Safety information” on page 107. Theseguidelines will help you work safely while working with your server or options.v You do not need to turn off the server to install or replace hot-swap powersupplies, hot-swap drives, hot-swap fans, or hot-plug PCI adapters.v The orange color on components and labels in your server identifies hot-swap orhot-plug components. This means that you can install or remove the componentwhile the system is running, provided that your system is configured to supportthis function. For complete details about installing or removing a hot-swap orhot-plug component, see the information provided in this chapter.v The blue color on components and labels identifies touch points where acomponent can be gripped, a latch moved, and so on.v Make sure that you have an adequate number of properly grounded electricaloutlets for your server, monitor, and any other options that you intend to install.v Back up all important data before you make changes to disk drives.v Have a small, flat-blade screwdriver available.v For a list of supported options for your server, refer tohttp://www.ibm.com/pc/us/compat on the World Wide Web.System reliability considerationsTo help ensure proper cooling and system reliability, make sure:v Each of the drive bays has either a drive or a filler panel installed.v Each of the power supply bays has either a power supply or a filler panelinstalled.v The cover is in place during normal operation.v Space is available around the server to allow the server cooling system to workproperly. Refer to the documentation that comes with the rack.v The cover is removed for no longer than 30 minutes while the server isoperating.42 Hardware Maintenance Manual: xSeries 342 Model 1RX, 2RX, 1TG, 2TG