IBM 8685 Hardware Maintenance Manual - Page 74

additional drives. The optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit

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If you install the optional 6-Pack hot-swap drive backplane, you can attach up to six additional drives. The optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit contains a hot-swap hard disk drive backplane that you install below the standard hot-swap hard disk drive backplane. Your server supports a maximum of two hot-swap drive backplanes. You can configure the channels on the two SCSI backplanes as follows: v You can configure each SCSI channel (bus) independently. This is the only available (typical) backplane configuration. In this configuration: - The hard disk drives (bays 1 through 6) that are connected to the standard SCSI backplane are attached to channel B through the internal SCSI connector (J15) on the system board. This is the standard configuration. You can also attach the drives in bays 1 through 6 to an optional RAID or SCSI adapter, as described in this section. - The hard disk drives (bays 7 through 12) that are connected to the optional 6-Pack hot-swap drive backplane are attached to an optional RAID or SCSI adapter. Notes: 1. To use the optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit, you must install a RAID or SCSI adapter in your server. For more information about installing an adapter, see "Installing an adapter" on page 55. 2. The standard SCSI backplane is also known as the hot-swap hard disk drive backplane. 3. The SCSI backplane that comes with the optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit is also known as the 6-Pack backplane. 4. When you install hard disk drives, they must have the same speed. If you install drives with different speeds, the server will operate at the slower speed. For a list of supported options for your server, go to http://www.ibm.com/pc/us/compat/ on the World Wide Web. 5. Table 12 on page 113 lists the SCSI identifiers (IDs) for the standard SCSI backplane and hard disk drives. Table 13 on page 114 lists the SCSI IDs for the 6-Pack backplane and hard disk drives. 6. Cable identifiers are printed on the cables that come with your server and options. Use these identifiers to connect the cables to the correct connectors. For example, the hard disk drive cables are labeled "HDD option." 64 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide

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If you install the optional 6-Pack hot-swap drive backplane, you can attach up to six
additional drives. The optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit
contains a hot-swap hard disk drive backplane that you install below the standard
hot-swap hard disk drive backplane. Your server supports a maximum of two
hot-swap drive backplanes.
You can configure the channels on the two SCSI backplanes as follows:
v
You can configure each SCSI channel (bus) independently. This is the only
available (typical) backplane configuration. In this configuration:
–
The hard disk drives (bays 1 through 6) that are connected to the standard
SCSI backplane are attached to channel B through the internal SCSI
connector (J15) on the system board. This is the standard configuration.
You can also attach the drives in bays 1 through 6 to an optional RAID or
SCSI adapter, as described in this section.
–
The hard disk drives (bays 7 through 12) that are connected to the optional
6-Pack hot-swap drive backplane are attached to an optional RAID or SCSI
adapter.
Notes:
1.
To use the optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit, you
must install a RAID or SCSI adapter in your server. For more information about
installing an adapter, see “Installing an adapter” on page 55.
2.
The standard SCSI backplane is also known as the hot-swap hard disk drive
backplane.
3.
The SCSI backplane that comes with the optional xSeries 6-Pack Hot-Swap
Hard Drive Expansion Kit is also known as the 6-Pack backplane.
4.
When you install hard disk drives, they must have the same speed. If you install
drives with different speeds, the server will operate at the slower speed. For a
list of supported options for your server, go to http://www.ibm.com/pc/us/compat/
on the World Wide Web.
5.
Table 12 on page 113 lists the SCSI identifiers (IDs) for the standard SCSI
backplane and hard disk drives. Table 13 on page 114 lists the SCSI IDs for the
6-Pack backplane and hard disk drives.
6.
Cable identifiers are printed on the cables that come with your server and
options. Use these identifiers to connect the cables to the correct connectors.
For example, the hard disk drive cables are labeled “HDD option.”
64
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide