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Drive CRUs
Drive LEDs
Fibre-channel loop IDs
Hot-swap hardware
Slim drives
Installing hot-swap drives
Before you begin: Take the following precautions.
v Read the safety and handling guidelines that are provided in "Safety" on page iii
v Ensure that the current system configuration is working properly.
v Back up all important data before you make changes to storage devices, such as
Use the following procedure to install hot-swap drives in the storage server. You can
install additional drives while the storage server is powered up and running.
Note: If you are replacing a drive, see "Replacing hot-swap drives" on page 75.
1. Read the instructions that come with the drive CRU.
2. Check for Fault LEDs. If any amber LEDs are lit, see "Checking the LEDs" on
3. Determine the bay into which you want to install the drive.
4. Install the drive CRU:
panels. Save the filler panels for future use. Each of the 14 bays must
always contain either a filler panel or a drive CRU.
The RAID controller supports up to 14 (half-high or slim) 40-pin
fibre-channel hard disk drives. These drives come preinstalled in drive trays.
This drive-and-tray assembly is called a drive CRU. You can install the drive
CRUs in the 14 drive bays on the front of the storage server.
Each drive CRU has two LEDs, which indicate the status for that particular
drive. For information about the drive LED operating states and
descriptions, see Figure 43 on page 51 and Table 7 on page 51.
When you install a drive CRU in the storage server, the drive CRU
connects into a printed circuit board called the midplane. The midplane
automatically sets the fibre-channel loop ID to the default value 00.
The storage server contains hardware that you can use to replace a failed
hard disk drive without turning off the storage server. Therefore, you can
continue operating the system while a hard disk drive is removed or
installed. These drives are known as hot-swap drives.
You can install slim, hot-swap drive CRUs.
and "Handling static-sensitive devices" on page 57.
hard disk drives.
page 50 and "Troubleshooting" on page 98.
Note: The hard disk drive comes with a tray already attached. Do not attempt
to detach the drive 4 from the tray 3 . See Figure 59 on page 74.
Chapter 5. Installing and replacing components
73
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