Scsi Ids; Installing A Hot-Swap Drive - IBM Netfinity 4500R User Reference Manual

Installing internal drives

SCSI IDs

Installing a hot-swap drive

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IBM® Netfinity® 4500R User's Reference
Each SCSI device that is connected to an individual channel of a SCSI controller needs
a unique identification (ID) so that the controller can identify the devices and ensure
that different devices do not attempt to transfer data at the same time. If you need to
set IDs for SCSI devices, refer to the instructions that come with those devices.
Your server automatically sets SCSI IDs for hot-swap hard disk drives.
The SCSI ID assigned to each hot-swap bay is shown on your server beside the bay.
The server uses the hard disk drive SCSI IDs to send status information to the
indicator lights above each hot-swap bay.
The processing sequence for SCSI devices is set through the SCSISelect Utility
program. The default sequence proceeds from the lowest SCSI ID to the highest (0 to
15).
Ensure that the device you are installing is not terminated. It is not necessary to set
termination jumpers on internal SCSI devices. The server hardware provides
termination for all internal SCSI devices.
The hot-swap drive bays support hot-swap drives only.
This section gives the procedure for installing a hot-swap hard disk drive. If you want
to remove a drive, reverse the following steps.
Notes:
1. To minimize the possibility of damage to the hard disk drives, install the server in
the rack before installing the hard disk drives.
2. You do not have to turn off the server to install hot-swap drives. However, you
must turn off the server when performing any steps that involve installing or
removing cables.
Refer to the following illustration to install a hot-swap drive.
Note: The illustrations in this document might differ slightly from your hardware.
Filler panel
Drive-tray assembly
Drive handle