Hard Disk Drives; Pre Installation Steps - IBM eServer 135 xSeries User Reference Manual

Hard disk drives

Pre installation steps

48
IBM xSeries 135: User's Reference
Note: When installing a ServeRAID adapter, remove the cable from the SCSI
connector (J4) on the system board and attach it to the ServeRAID
adapter.
Extra cable
length
10. Replace the cover on the server; then, reinstall the server in the rack and connect
all external cables. For more information see "Installing the cover" on page 56 for
instructions.
11. Turn on the server.
Your server supports two, 26 mm (1 in.) slim 3.5-inch low voltage differential (LVD)
hard disk drives.
Note: You can hot-swap a hard disk drive only if a ServeRAID adapter that is
configured as RAID 1 is installed in your system. If you use any other
ServeRAID or SCSI configuration, you cannot hot-swap the hard disk drive.
Each hard disk drive tray has a status light and an activity light on the upper-right
corner of the tray (see "Major components of the IBM xSeries 135 appliance server" on
page 34 for the location of the status and activity indicators). These lights show when
there is drive activity or, in some cases, when there is a problem with your hard disk
drive.
• The drive must be a low voltage differential (LVD) drive, and have a single
connector attached (SCA) connector.
• The hard disk drive bays connect to a SCSI backplane. This backplane is the
printed circuit board behind the bay and is connected to J4 on the system board.
• The backplane controls the SCSI IDs for the hard disk drives.
Before you install a hard disk drive, review the following:
• Inspect the drive tray for any signs of damage.
• Ensure that the drive is installed properly in the tray.
• To maintain proper system cooling, do not operate the server for more than two
minutes without either a drive or a filler panel installed in each bay.
• Review the information in "Safety information" on page 39 and "Handling
static-sensitive devices" on page 38.
SCSI connector
(J4)
ServeRAID
adapter card