Lenovo 6436, 6438, 6437, 6435 manual System reliability guidelines

vDo not attempt to lift an object that you think is too heavy for you. If you have to lift a heavy object, observe the following precautions:

–Make sure that you can stand safely without slipping.

–Distribute the weight of the object equally between your feet.

–Use a slow lifting force. Never move suddenly or twist when you lift a heavy object.

–To avoid straining the muscles in your back, lift by standing or by pushing up with your leg muscles.

vMake sure that you have an adequate number of properly grounded electrical outlets for the server, monitor, and other devices.

vBack up all important data before you make changes to disk drives.

vHave a small flat-blade screwdriver available.

vYou do not have to turn off the server to install or replace hot-plug Universal Serial Bus (USB) devices.

vBlue on a component indicates touch points, where you can grip the component to remove it from or install it in the server, open or close a latch, and so on.

vOrange on a component or an orange label on or near a component indicates that the component can be hot-swapped, which means that if the server and operating system support hot-swap capability, you can remove or install the component while the server is running. (Orange can also indicate touch points on hot-swap components.) See the instructions for removing or installing a specific hot-swap component for any additional procedures that you might have to perform before you remove or install the component.

vWhen you are finished working on the server, reinstall all safety shields, guards, labels, and ground wires.

vFor a list of supported optional devices for the server, see http://www.lenovo.com/ thinkserver.

System reliability guidelines

To help ensure proper system cooling and system reliability, make sure that the following requirements are met:

vEach of the drive bays has a drive or a filler panel and electromagnetic compatibility (EMC) shield installed in it.

vIf the server has redundant power, each of the power-supply bays has a power supply installed in it.

vThere is adequate space around the server to allow the server cooling system to work properly. Leave approximately 50 mm (2.0 in.) of open space around the front and rear of the server. Do not place objects in front of the fans. For proper cooling and airflow, replace the server cover before you turn on the server. Operating the server for extended periods of time (more than 30 minutes) with the server cover removed might damage server components.

vYou have followed the cabling instructions that come with optional adapters.

vYou have replaced a failed fan within 48 hours.

vYou have replaced a hot-swap drive within 2 minutes of removal.

20ThinkServer RS110 Types 6435, 6436, 6437 and 6438: User Guide