HP LC2000r HP NetRAID 1M/2M Installation & Configuration - Page 53

Avoid mixing Fast/Wide, Ultra SCSI, Ultra2 SCSI, or Ultra3 SCSI disk

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Chapter 5 Installation and Configuration CAUTION For the HP NetRAID-2M, the internal connectors for Channels 0 and 1 are very close together. If there are locking ears on the SCSI cables, you must remove them before inserting the cables, as shown in Figure 5-2. Figure 5-2. Removing the Locking Ears From the SCSI Cable Some nonstandard cable configurations and switch settings are listed in the HP Netserver documentation. Refer to the mass storage section of your system documentation for details on HP Netserver configurations. Avoid problems with your SCSI devices and adapter by observing the following rules: • Avoid mixing Fast/Wide, Ultra SCSI, Ultra2 SCSI, or Ultra3 SCSI disk drives on the same channel. In particular, if a Fast/Wide disk drive is on the same channel with an Ultra SCSI, Ultra2 SCSI, or Ultra3 SCSI disk drive, the performance of all the drives will be degraded to that of the Fast/Wide. • The HP NetRAID-1M and 2M adapter are for disk drives only. Do not attempt to connect a CD-ROM drive or a tape drive to these adapters. 45

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Chapter 5
Installation and Configuration
45
CAUTION
For the HP NetRAID-2M, the internal connectors for
Channels 0 and 1 are very close together. If there are locking
ears on the SCSI cables, you must remove them before
inserting the cables, as shown in Figure 5-2.
Figure 5-2. Removing the Locking Ears From the SCSI Cable
Some nonstandard cable configurations and switch settings are listed in the
HP Netserver documentation
.
Refer to the mass storage section of your system
documentation for details on HP Netserver configurations.
Avoid problems with your SCSI devices and adapter by observing the following
rules:
•
Avoid mixing Fast/Wide, Ultra SCSI, Ultra2 SCSI, or Ultra3 SCSI disk
drives on the same channel. In particular, if a Fast/Wide disk drive is on
the same channel with an Ultra SCSI, Ultra2 SCSI, or Ultra3 SCSI disk
drive, the performance of all the drives will be degraded to that of the
Fast/Wide.
•
The HP NetRAID-1M and 2M adapter are for disk drives only. Do not
attempt to connect a CD-ROM drive or a tape drive to these adapters.