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80 Hardware Maintenance Manual: xSeries 250
Your server contains hardware that enables you to replace a failed hard disk drive
without turning off the server. Therefore, you have the advantage of continuing to
operate the system while a hard disk drive is removed or installed. These drives are
known as hot-swap drives.
Each hot-swap drive has two indicator lights on the front of the server. If the amber
hard-disk status light for a drive is lit continuously, that individual drive is faulty and
needs to be replaced. When the hard-disk status light indicates a drive fault, you can
replace a hot-swap drive without turning off the server.
Each hot-swap drive that you plan to install must be mounted in a hot-swap-drive
tray. The drive must have a single connector attachment (SCA) connector. Hot-swap-
drive trays come with hot-swap drives.
Internal drive bays
Internal drives are installed in bays.
• Your server comes with one CD-ROM drive and one 3.5-inch, 1.44 MB diskette
drive.
• The left front bays support 5.25-inch, half-high, removable-media drives. Any
two adjacent 5.25-inch, half-high bays can be converted to a single full-high bay.
Note: The server EMI integrity and cooling are both protected by having the left
front bays covered or occupied. When you install a drive, save the filler
panel from the bay, in case you later remove the drive and do not replace it
with another.
• You cannot install hard disk drives in the left front bays. You can install hot-swap
hard disk drives only in the hot-swap hard disk drive bays on the right front side
of the server.
• If you are installing a device with a 50-pin connector in one of the left front bays,
you will need a 68-to-50-pin converter (option number 32G3925).
• Your server supports ten 1-inch (26 mm) slim-high, 3.5-inch hot-swap hard disk
drives in the hot-swap bays.
Hot-swap hard
disk drive bay
Media bays 1 and 2
3.5-inch diskette drive
CD-ROM drive