HP A7143A RAID160 SA Controller Support Guide, February 2007
Installing the RAID160 SA Controller
Connecting the Cables and the StorageWorks‘ Disk Enclosures
Chapter 4
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NOTE IMPORTANT: Offset VHDCI cables must be used with the RAID160 SA controller. Early
versions of the VHDCI cables do not accommodate side-by-side connection to the RAID160 SA
controller. If your storage enclosure did not include the Offset VHDCI cables, you may need to
order them. See Table 4-2 above, for part numbers.
Up to four SCSI ports on the RAID160 SA controller are available for connection to external storage devices.
1. On the rear of the server, connect the cable to the VHDCI connector on the Smart Array controller, and
then tighten the lock screws on the cable connector.
2. Attach the other end of the cable to the HP StorageWorks™ storage enclosure, and then tighten the lock
screws on the cable connector.
3. Label the cables. See Labeling the Cables, below.
4. Replace the access panel and secure it with the thumbscrews, as required.
CAUTION Do not operate the server with the access panel removed for extended periods of time. This
precaution is to protect thermally sensitive components by ensuring the proper airflow through
the server, and also to minimize personal contact with hazardous energy levels.
In systems using external data storage, be sure that the server is the first unit powered down and the last
unit to be powered back up. Doing this ensures that the system will not erroneously mark the drives as
“failed”.
Labeling the Cables
If the cables connecting the RAID controllers and the disk enclosures are switched, data could be corrupted.
HP strongly recommends that each cable is labeled to show the following information:
✓ The controller’s slot number (this is stenciled on the system)
✓ The controller’s channel number
✓ The StorageWorks™ disk enclosure the cable connects to (if there are multiple disk enclosures)
✓ The SCSI bus connection ID on the I/O module in the StorageWorks™ disk enclosure: “SCSI Bus A” or
“SCSI Bus B”