Installing Hot-Swap Drives - IBM Netfinity EXP300 Installation And User Manual

Before you install or remove drive CRUs, review the following information:
Hot-swap hardware
Drive CRUs Your expansion unit supports IBM Ultra160 and IBM Ultra2 SCSI hard
Drive LEDs Each drive bezel has two LEDs, which indicate the status for that
Filler panels
Hard disk drives

Installing hot-swap drives

Use the following procedure to install drives in the expansion unit. You can install
additional drives while the expansion unit is turned on.
Note:
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IBM® Netfinity® EXP300 Installation and User's Guide
You can replace a failed hard disk drive without turning off the expansion
unit. Therefore, you can continue to operate your system while a hard disk
drive is removed or installed. These drives are known as hot-swap drives.
disk drives. These IBM drives come pre-installed in a drive tray, ready for
installation. (Do not detach the drive from the tray.) This drive and tray
assembly is called a drive customer replaceable unit (CRU). You can install the
drive CRUs directly into the 14 drive bays on the front of the expansion unit.
Be sure to record the location information for each drive before you remove it.
Ensure that you keep track of the drives and their corresponding bays. Also,
record the location information in "Installed-device records" on page 39.
Attention: If you re-install a drive in the wrong bay, you could lose data.
particular drive. The drive LED states and descriptions are as follows:
LED
Activity LED
Fault LED
Fault LED
Expansion units are shipped without a full set of drives (14). They contain
filler panels in the unused drive bays. Before installing new drives, you must
remove the filler panels, which should be saved. Each of the 14 bays must
always contain either a filler panel or a drive CRU.
You can install only slim hot-swap drive CRUs in the EXP300 expansion unit.
If you are replacing a drive, see "Replacing hot-swap drives" on page 28.
1. Read the instructions that come with the drive CRU.
LED State
Green/flashing
Amber/flashing
Amber On
Description
Flashes during
read/write or inquiry
operations to the
drive.
Flashes to indicate a
drive rebuild is under
way, or that a drive has
been identified by
software.
On to indicate a drive
failure.