IBM HS40 - BladeCenter - 8839 Installation And User Manual page 50

blade server. You will then be able to install two 3.5-inch, hot-swap, SCSI, 1-inch
(26 mm) slim-high hard disk drives in the expansion unit, for use by the blade
server. The SCSI controller in the BladeCenter SCSI storage expansion unit
supports embedded mirroring, which is similar to RAID level-1.
Important: To avoid potential performance and reliability problems when
configuring or replacing drives in a mirrored configuration, make sure that the
storage capacities and speeds of the drives are identical.
After you install the SCSI storage expansion unit on your blade server, the blade
server and expansion unit are a unit that occupies three blade bays in the
BladeCenter unit.
Attention:
the SCSI hard disk drive bays on the SCSI storage expansion unit contains either a
hot-swap SCSI hard disk drive or a filler panel.
Complete the following steps to install the SCSI storage expansion unit:
Note: The illustrations used in this procedure depict the installation process on a
BladeCenter HS40 blade server in a BladeCenter Type 8677 unit. These
illustrations might differ slightly from your hardware.
36
BladeCenter HS40 Type 8839: Installation and User's Guide
To ensure proper cooling and system reliability, make sure that each of
1. Read the safety information beginning on page vii and "Installation guidelines"
on page 21.
2. Shut down the operating system, turn off the blade server, and remove the
blade server from the BladeCenter unit (see "Removing the blade server from
the BladeCenter unit" on page 22 for instructions).
3. Carefully lay the blade server on a flat, static-protective surface.
4. Remove the blade server cover (see "Opening the blade server cover" on page
24 for instructions).
5. Locate the blade expansion connector on the processor board and remove the
terminator from the connector.
Blade expansion
connector terminator
6. Before installing the SCSI storage expansion unit, check that all components
are installed and seated correctly and that you have not left loose tools or
parts inside the blade server.
Attention: To help ensure proper cooling and system reliability the air baffle
must be correctly positioned and fully seated.