About this guide This guide provides information about: • installing and connecting devices to the HP StorageWorks U320e SCSI Host Bus Adapter • conﬁguring the HP StorageWorks U320e SCSI Host Bus Adapter • troubleshooting the HP StorageWorks U320e SCSI Host Bus Adapter Intended audience This guide is intended for the person who installs, administers, and troubleshoots servers and storage systems.
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1 Features The HP StorageWorks U320e SCSI Host Bus Adapter represents the seventh generation of parallel SCSI technology, an I/O interface that is committed to increased performance while maintaining backward compatibility and legacy support. The HP StorageWorks U320e SCSI Host Bus Adapter is a dual channel Ultra 320 SCSI PCIExpress (PCIe) host adapter.
2 Installation CAUTION: Back up your system data before changing or installing hardware. Follow the steps in this chapter to install the host bus adapter. 11312 Figure 1 Kit contents The HP StorageWorks U320e SCSI Host Bus Adapter package includes: •...
WARNING! When installing the adapter in a server in a rack, to reduce the risk of personal injury or damage to the equipment, adequately stabilize the rack before extending a component outside the rack. Extend only one component at a time. A rack may become unstable if more than one component is extended. The installation procedure involves the following steps: Planning the installation (see page 14) Preparing the server (see page 16)
The last device in the bus — that farthest from the adapter — must be properly terminated for each SCSI bus. When planning device termination, keep the following in mind: • Use an LVD terminator if you are only using LVD devices. Although you can use a Single-Ended terminator, all devices will be limited to Ultra SCSI speeds and cable lengths.
Use a small, ﬂat screwdriver to remove the four stand-offs on the external connectors, as shown in Figure 11315 Figure 3 Removing the stand-offs Remove the bracket and replace it with the low-proﬁle bracket. Verify that the new bracket is oriented correctly, as shown in Figure 11316 Figure 4 Card with low-proﬁle bracket...
Installing the adapter hardware CAUTION: Electrostatic discharge can damage electronic components. Be sure you are properly grounded before beginning this procedure. For more information, see "Appendix: Electrostatic discharge" on page 53. To install the host bus adapter hardware: Open the server case. WARNING! To reduce the risk of personal injury from hot surfaces, allow the drives and the internal system components to cool before touching them.
Power up the server and peripherals. The HP U320e SCSI Host Bus Adapter comes pre-conﬁgured to operate properly in a variety of common setups. However, some systems may beneﬁt by tuning the adapter for a speciﬁc application. See Chapter on page 25 for information on changing host adapter settings. Installing drivers After installing the HP StorageWorks U320e SCSI Host Bus Adapter, you must conﬁgure your system to recognize and use it by installing drivers for your operating system.
Unzip the driver package and view the readme.txt ﬁle for release notes and installation instructions. HP provides patches for the AH627A driver in the Linux 2.4 and 2.6 kernels to allow the driver to operate on the HP StorageWorks U320e SCSI Host Bus Adapter. Updating ﬁrmware The HP StorageWorks U320e SCSI Host Bus Adapter ships with the latest ﬁrmware installed.
3 SCSI Domain Validation utility (Windows only) The SCSI Domain Validation utility tests the physical connection between host adapter and devices to ensure that the desired data transfer speeds can be achieved. Domain Validation eliminates the guesswork of determining transfer rates and is a handy tool for conﬁguring SCSI busses. As SCSI performance has increased over the past several years, it has become more important to verify that the connections between the host adapter and storage devices, such as cables, connectors and target, are capable of handling high-speed data transfers.
Follow the directions in the installer to ﬁnish the installation. Running the Domain Validation utility To run the ATTO SCSI Domain Validation tool: Launch the tool. Select the adapter Channel of the SCSI bus, as shown in Figure Figure 6 Domain Validation Utility Select the tests to be run.
The SCSI Domain Validation help text provides useful information about setting up the tests. Review the help text for a more detailed explanation of the tool. User guide...
4 Conﬁguration tool The HP StorageWorks U320e SCSI Host Bus Adapter ships with the latest ﬁrmware installed and conﬁguration set to work in most installations. Use the ATTO Conﬁguration Tool to see information about installed adapters, drivers and devices, and change NVRAM settings on the adapter. This program executes under: •...
Using the Conﬁguration Tool NOTE: The HP StorageWorks U320e SCSI Host Bus Adapter is designed to operate properly using factory settings. Entering invalid or incorrect settings when using an NVRAM conﬁguration utility, such as the ATTO Conﬁguration Tool, may cause your host adapter to function incorrectly. CAUTION: Back up system data before installing or changing hardware conﬁgurations.
to the adapter and channel selected. See "NVRAM settings" on page 27 for information about the NVRAM settings. PCI information is displayed in the PCI Info tab. The current status of the Conﬁguration Tool is represented in the Status window at the bottom of the display screen.
Fallback Sync Choices: 40/20, 20/10, and 10/5 Rate (MB/s) Default: 40/20 Speciﬁes the maximum synchronous transfer rate to be negotiated when the adapter detects a Single-Ended SCSI bus. The bus is Single-Ended when Ultra SCSI devices are connected to the bus. Bus Reset Delay Read only;...
Sync Rate (MB/s) Choices: Sync DT IU (320, 160), Sync DT (160, 80, 40), Sync ST WIDE (80, 40, 20, 10), Sync ST Narrow (40, 20, 10, 5) Default: Sync DT IU 320. If synchronous transfers are enabled, the sync rate speciﬁes the maximum rate at which host bus adapter negotiates with the selected target ID.
5 Troubleshooting This chapter describes troubleshooting techniques that can be used to identify and resolve issues associated with the HP StorageWorks U320e SCSI Host Bus Adapter. Some of these techniques may seem simplistic or overly obvious, but these are the ones that are commonly overlooked and can take several hours of frustration to ﬁnd.
Windows installation troubleshooting When working properly, the ATTO Technology Banner should appear shortly after booting the computer, as shown in Figure Figure 7 ATTO Technology Banner The adapter will be listed as ATTO ExpressPCI UL5D SCSI Adapter in the Windows Device Manager, as shown in Figure Figure 8 Adapter in Windows Device Manager...
Symptoms Troubleshooting steps • Check the adapter installation (see Investigating the adapter The host adapter is installed installation, page 31). in the computer but it does not appear during the system • Verify that the latest version of the computer BIOS is installed. Use BIOS scan.
Symptoms Troubleshooting steps The host adapter is detected When working properly, the host adapter will be listed in the Windows during the system's BIOS scan Device Manager, as shown in Figure 8 on page 32. but it is not detected by the •...
Linux installation troubleshooting Table 5 Linux troubleshooting table Symptoms Troubleshooting steps The host adapter driver On some Red Hat Linux distributions, the driver may not automatically load was loaded properly and when the system is booted. everything was working, but •...
Symptoms Troubleshooting steps The host adapter is The command dmesg can be used to see what devices are detected on recognized, but it does not each SCSI bus. detect any of the connected • Check the SCSI devices and cables (see Investigating the SCSI cables SCSI devices.
Table 7 Messages from Flash tab actions Error message Solution This is not a ﬂash ﬁle, or it is The ﬂash ﬁle is corrupt or the Conﬁguration Tool does not recognize the ﬁle corrupt. as a ﬂash ﬁle. Only select ﬂash ﬁles from the product CD or downloaded from the HP website.
Increase transfer size If you are writing to an application that uses a lot of sequential disk I/O to a contiguous area on disk, you should use as large a transfer size as possible to reduce overhead on the system, on the SCSI bus and within disk drives.
A Regulatory compliance and safety Regulatory compliance Regulatory compliance identiﬁcation numbers For the purpose of regulatory compliance certiﬁcations and identiﬁcation, your product has been assigned a unique Regulatory Model Number. The RMN can be found on the product nameplate label, along with all required approval markings and information.
Modiﬁcations The FCC requires the user to be notiﬁed that any changes or modiﬁcations made to this device that are not expressly approved by Hewlett-Packard Company may void the user's authority to operate the equipment. Cables Connections to this device must be made with shielded cables with metallic RFI/EMI connector hoods in order to maintain compliance with FCC Rules and Regulations.
EMC Directive 89/336/EEC — EN55022 and EN55024 Compliance with these directives implies conformity to applicable harmonized European standards (European Norms) which are listed on the EU Declaration of Conformity issued by Hewlett-Packard for this product or product family. BSMI notice...
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and current rating marked on the product. In addition, the diameter of the wire must be a minimum of 1.00 mm or 18 AWG, and the length of the cord must be between 1.8 m (6 ft) and 3.6 m (12 ft). If you have questions about the type of power cord to use, contact an HP authorized service provider.
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B Electrostatic discharge To prevent damaging the system, be aware of the precautions you need to follow when setting up the system or handling parts. A discharge of static electricity from a ﬁnger or other conductor may damage system boards or other static-sensitive devices. This type of damage may reduce the life expectancy of the device.
Glossary ANSI American National Standards Institute arbitrate Process of selecting one L_Port from a collection of ports which ask for use of the arbitrated loop at the same time. Asynchronous AIP: although most Ultra320 trafﬁc is sent synchronously and protected by CRC, Information Pro- some information is still sent asynchronously.
is almost complete so that it can prepare for the next transfer while the target completes the current transfer. full duplex A communication protocol which allows transmission in both directions at the same time. half duplex A communication protocol which allows transmission in both directions, but only one direction at a time.
process by eliminating the bus free phase. When combined with packetization, reduces command overhead and maximizes bus use. read and write Minimizes data transfer overhead by allowing a target to send one data stream data streaming (LQ) packet followed by multiple data packets. Minimizes overhead of data transfers because the target can send one data stream packet followed by multiple data packets.