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Attention
Before you power-on the storage subsystem, it must contain at least four
drives. If at least four drives are not installed in each attached storage
expansion enclosure and in the DS3200 storage subsystem, when you
power-on the DS3200 and its attached storage expansion enclosures, your
standard storage partition key might be lost and you must regenerate it,
using instructions at http://www.ibm.com/storage/fasttkeys/.
In addition, the resulting insufficient load to the enclosure power supplies
might cause them to intermittently appear to have failed, falsely indicating
that the power supplies are bad. All drives in the DS3200 storage
subsystem and the connected storage expansion enclosure or enclosures
must contain no prior configuration data.
v Drive labels: A label is provided on the front of each hard disk drive. Use this
label to record the location information for each drive before you remove it. Be
sure to keep a record of the drives and their corresponding bays. Also, record the
location information in Table 9 on page 110. If you install a drive in the wrong
bay, you might lose data.
v Drive LEDs: Each drive tray has two associated LEDs, a green activity LED and
an amber status LED. These LEDs indicate the status for that drive.
Activity LED (green)
When this LED flashes, it indicates that there is activity to the drive.
Status LED (amber)
When this LED flashes, it indicates that the drive has been identified by
the software. When this LED is lit and not flashing, it indicates that the
drive has failed.
v Hot-swap hardware: The DS3200 contains hardware that enables you to
replace a failed hard disk drive without turning off the storage subsystem. You
can continue to operate the DS3200 while a hard disk drive is being removed or
installed. These drives are known as hot-swap hard disk drives.
Hard disk drive activity LED
Hard disk drive status LED
System Storage
Figure 45. Hard disk drive LEDs
Chapter 5. Replacing components 73