Dell EqualLogic PS Series Maintenance du matériel - Page 30

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PS5000 Hardware Maintenance

Once you remove a control module, place it on a surface that is protected from

electrostatic charge.

If the array will permanently operate with only one control module, you must

install a blank control module in the empty slot. You can order a blank from your

array support provider. For proper cooling, do not leave a control module slot

empty.

Installing a Control Module

You may need to install a control module as part of an upgrade from a single

control module array to a dual control module array or for control module

maintenance, such as replacing a failed control module.

Notes: You can upgrade to a dual control module array without shutting down the

array.

Only install control modules of the same type in a PS5000 array, either

Type 4 or Type 5. Do not mix control module types in an array.

Make sure the control module type is compatible with the disk type.

Type 4 control modules are used only with SAS disks (black disk release

button).Type 5 control modules are used only with SATA disks (gray disk

release button).

Control modules are installed vertically in a PS5000 array, with the latch

mechanism facing the adjacent power supply and cooling module

Before removing a control module:

•

Make sure the firmware on the control module's compact flash card matches

the firmware running on the already-installed control module. See

Maintaining Control Module Firmware on page 3-4.

•

If you are replacing a failed control module, be sure to remove the compact

flash card from the failed control module and install it in the replacement

control module. This will ensure that the new control module is running the

correct firmware.

•

If you are upgrading to a dual control module array, remove the blank control

module from the slot. See the instructions in Figure 3-5 for opening the latch.

•

Attach an electrostatic wrist strap (see Using an Electrostatic Wrist Strap on

page 1-4).

To install a control module, refer to the instructions in Figure 3-6.

3–10

Maintaining Control Modules