Chapter 5. Replacing N3700 Storage System Devices; Replacing A Disk; About Replacing A Disk In Your Storage System; Removing A Disk - IBM System Storage N3700 Hardware And Service Manual

Chapter 5. Replacing N3700 storage system devices

This chapter describes how to replace disks, CPU modules, and other devices in
your N3700 storage system.
This chapter discusses the following topics:
v "Replacing a disk"
v "Replacing a drive blank cover or N3700 load board" on page 28
v "Replacing the CPU module" on page 28
v "Replacing the SDRAM DIMM on the CPU module" on page 37
v "Replacing the CompactFlash card on the CPU module" on page 38
v "Replacing a power supply" on page 39

Replacing a disk

You can replace a disk in your storage system or disk shelf for any reason.
However, the most common reason is disk failure. If a disk fails, the N3700 storage
system logs a warning message to the system console indicating which disk failed.

About replacing a disk in your storage system

Replacing a disk in the storage system consists of the following procedures:
v "Removing a disk"
v "Installing a disk"

Removing a disk

To remove a disk, complete the following steps.
1. Enter one of the following commands, as appropriate.
2. Wait 30 seconds for the disk to stop spinning.
3. Put on the antistatic ESD strap and grounding leash.
4. To remove the disk, press down on its release mechanism with one hand while

Installing a disk

To install a disk, complete the following steps.
1. Put on the antistatic ESD strap and grounding leash.
2. Orient the device carrier so that the release mechanism is at the top.
© Copyright IBM Corp. 2005, 2006
v To remove a disk that is a member of a volume, enter disk fail disk_name.
v To remove a spare disk, enter disk remove disk_name.
Either command causes the amber fault LED on the disk to illuminate. For more
information about LEDs, see "Monitoring the Fibre Channel disk" on page 22.
For more information about disk commands, see the IBM System Storage N
series Data ONTAP Storage Management Guide for your version of Data
ONTAP.
grasping the top flange of the storage system with the other hand. Gently slide
the disk out of your storage system.
CAUTION:
When removing a disk, use two hands to support its weight.
Attention: If you have any empty disk drive bays, make sure to install a cover
over the empty slot to ensure proper cooling.
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