Lenovo 8332 manual Enclosure chassis

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Enclosure chassis

Figure 4. Enclosure subsystem front view

1Front panel 2Drive bays 3Rack retaining screw 4Rack retaining screw

Enclosure chassis

The chassis is installed with 48.26-cm (19-inch) rack-mounting features, which enable it to be installed to standard 48.26-cm (19-inch) racks. One chassis occupies two units of rack space (3.5 inches or 8.89 cm high).

Figure 5. Enclosure chassis

The backplane PCB provides 12 direct dock SAS/SATA connectors to the drives and acts as the connectivity hub of the enclosure, connecting to the enclosure management PCB.

The ten cooling fans are connected to the system by the enclosure management

PCB.

There are 12 drive bays at the front of the enclosure. Each drive bay accommodates a plug-in drive carrier module that can house one low-profile 2.54-cm (1-inch) high

Chapter 2. Features 5

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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 4 Boot drive 5 Server board 6 PCI slots Chapter 2. FeaturesFigure 1. SMC - Storage Array front view Enclosure subsystem Enclosure chassis Server board I/O panel Server board subdivisionFront operators panel ConnectorsServer board LEDs Rear panel Power supply unitCooling fans Power supply output connectorsFigure 10. Cooling fan Drive carrier moduleAnti-tamperlocks Drive status indicator4Drive lock indicator opening 1Green LED 2Amber LED 3Torque screw12User Guide Chapter 3. Getting Started Planning your installationDrive bay numbering convention Preparation of site and host server Enclosure installation prerequisitesUnpacking the enclosure system Rack installation prerequisites Planning and configuring your installationFigure 14. Unpacking the SMC - Storage Array Rail kit assembly Installing the enclosure in a rackEnclosure installation Grounding checks Power cord connection18User Guide Power supply unit LED Power onChapter 4. Operation Blue only when activated Front operators panel LEDs and switchesTable 5. Front operators panel switch functions switchDisk drive LEDs Starting the drivesEngaging the drive module anti-tamperlocks Activating an anti-tamperlockTurning off BIOS settingsInitial start-upproblems Chapter 5. Troubleshooting and problem solvingFaulty cords Alarm sounds and power upCondition Fault conditionLED state LEDsDrive carrier module LEDs Cooling fan LEDsRear panel LED Server board LEDsAlarm interpretation Audible alarmsDescription LED/buzzerState System faults TroubleshootingPower supply unit faults Thermal cooling Cooling fan faultsTable 14. Cooling fan faults Table 15. Thermal coolingDealing with hardware faults Drive carrier module faultsContinuous operation during replacement 32User Guide Lenovo United States, Inc 1009 Think Place Chapter 6. NoticesBuilding One Morrisville, NC USA Attention Lenovo Director of LicensingTrademarks Page 1P P/N 45K1342