Lenovo 8332 manual Continuous operation during replacement

Page 39
Continuous operation during replacement

CAUTION:

Observe all conventional ESD precautions when handling modules and components. Avoid contact with backplane components and module connectors, etc.

Note: The top cover of the enclosure covers a service area which should be accessed only by qualified service personnel. When the cover is replaced it must be secured by turning the lock mechanism to the locked position.

Continuous operation during replacement

Depending on how the enclosure system is set up, if a disk unit fails, it can normally be replaced without interrupting the use of the system.

Chapter 5. Troubleshooting and problem solving 31

Image 39
Contents Secure Managed Client Storage Array User Guide Machine TypePage Secure Managed Client - Storage Array User Guide Copyright Lenovo 2005, 2008. All rights reserved First Edition OctoberContents ivUser Guide Introduction Product contents, order options, and accessoriesviUser Guide Chapter 1. Important safety information 2User Guide Chapter 2. Features 4 Boot drive 5 Server board 6 PCI slotsFigure 1. SMC - Storage Array front view Enclosure subsystem Enclosure chassis Server board I/O panel Server board subdivisionConnectors Front operators panelServer board LEDs Rear panel Power supply unitCooling fans Power supply output connectorsFigure 10. Cooling fan Drive carrier module1Green LED 2Amber LED 3Torque screw Drive status indicatorAnti-tamperlocks 4Drive lock indicator opening12User Guide Planning your installation Chapter 3. Getting StartedDrive bay numbering convention Enclosure installation prerequisites Preparation of site and host serverUnpacking the enclosure system Planning and configuring your installation Rack installation prerequisitesFigure 14. Unpacking the SMC - Storage Array Installing the enclosure in a rack Rail kit assemblyEnclosure installation Grounding checks Power cord connection18User Guide Power on Power supply unit LEDChapter 4. Operation switch Front operators panel LEDs and switchesBlue only when activated Table 5. Front operators panel switch functionsActivating an anti-tamperlock Starting the drivesDisk drive LEDs Engaging the drive module anti-tamperlocksTurning off BIOS settingsAlarm sounds and power up Chapter 5. Troubleshooting and problem solvingInitial start-upproblems Faulty cordsLEDs Fault conditionCondition LED stateServer board LEDs Cooling fan LEDsDrive carrier module LEDs Rear panel LEDLED/buzzer Audible alarmsAlarm interpretation DescriptionMeaning Troubleshooting System faultsPower supply unit faults Table 15. Thermal cooling Cooling fan faultsThermal cooling Table 14. Cooling fan faultsDealing with hardware faults Drive carrier module faultsContinuous operation during replacement 32User Guide Attention Lenovo Director of Licensing Chapter 6. NoticesLenovo United States, Inc 1009 Think Place Building One Morrisville, NC USATrademarks Page 1P P/N 45K1342