HP Netserver Rack Storage/12 SCSI Upgrade Guide

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HP Part Number 5971-0819 

Printed in November 2000

HP NetServer RS/12 SCSI Upgrade Guide

Installing a Second RS/12 SCSI Card

Installing a second RS/12 SCSI card in an HP Rack Storage/12 enclosure lets you change your configuration from

simplex configuration to either duplex or cluster configuration.

Simplex Configuration

In simplex configuration, one RS/12 card is installed in the slot 1 of the enclosure, and dip Switch 1 on the

management board is be set to the left, as viewed in Figure 1. Figure 2 shows slots 1 and 2.

Temperature LED

Configuration

Switches

Figure 1. Management Board Controls and Indicators

Duplex Configuration

If two RS/12 SCSI cards are installed in the enclosure and dip Switch 1 on the management board is set to the left, as

viewed in Figure 1, the RS/12 is automatically configured in duplex configuration when it powers up. In duplex

configuration, the RS/12 disk drives are split between the two SCSI cards, and each card is connected to the drives in

its half of the enclosure. From the front of the enclosure, disk drives installed in the left half of the enclosure are

accessed by the card in slot 1. Disk drives installed in the right half of the enclosure are accessed by the card in slot 2.

Figure 2 shows slots 1 and 2.

Cluster Configuration

The RS/12 supports a cluster configuration in conjunction with supported software to allow either of the SCSI cards to

access all the disk drives in the enclosure. To prepare the enclosure for a cluster configuration, dip Switch 1 on the

management board must be set to the right, as viewed in Figure 1, before you turn on power to the enclosure. This

allows either SCSI card to access all the disk drives installed in the RS/12.

CAUTION You should not remove a failed or failing hot-swap component from the RS/12 until you are ready

to replace it with a working component. Removing a hot-swap component and leaving it

unreplaced can cause the unit to shut down within minutes from excessive temperature conditions.

Summary of content (6 pages)

PAGE 1
HP NetServer RS/12 SCSI Upgrade Guide Installing a Second RS/12 SCSI Card Installing a second RS/12 SCSI card in an HP Rack Storage/12 enclosure lets you change your configuration from simplex configuration to either duplex or cluster configuration. Simplex Configuration In simplex configuration, one RS/12 card is installed in the slot 1 of the enclosure, and dip Switch 1 on the management board is be set to the left, as viewed in Figure 1. Figure 2 shows slots 1 and 2.
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HP NetServer RS/12 SCSI Upgrade Guide Supported SCSI Components and Configurations NOTE RS/12 SCSI cards are labeled on their exterior surface with their SCSI type: • Ultra2 D6025B cards are labeled "Ultra2 SCSI 80 MB/s." • Ultra3 D6025C cards are labeled "Ultra3 SCSI 160 MB/s." The label is visible even when the card is installed in the RS/12 enclosure. RS/12 component and configuration guidelines: • In cluster configuration only, do NOT mix Ultra2 and Ultra3 SCSI cards in the same RS/12 enclosure.
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HP NetServer RS/12 SCSI Upgrade Guide Table 1. Supported Ultra2 SCSI Components and Configurations Ultra2 Host System Adapters (Ultra2 Hosts) D2140A HP NetRAID-1Si D4992A HP NetRAID-1 D5955A HP NetRAID-3Si D5991A HP RS/12FC Adaptec 2940UW Ultra2 RS/12 SCSI Card D5989B RS/12 D6025B RS/12 SCSI Card NOTE: In cluster configuration, do NOT mix a D6025C Ultra3 SCSI card with a D6025B Ultra2 SCSI card in the same RS/12 enclosure. Ultra2 SCSI Hard Disk Drives (HDDs) D6106A (9.
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HP NetServer RS/12 SCSI Upgrade Guide Table 2. Supported Ultra3 SCSI Components and Configurations Ultra3 Host System Adapters (Ultra3 Hosts) D9161A HP NetRAID-4M with 64-MB cache D9351A HP NetRAID-4M with 128-MB cache Adaptec 29160 Ultra3 RS/12 SCSI Card D5989C RS/12 D6025C RS/12 SCSI Card Ultra3 SCSI Hard Disk Drives (HDDs) D9419A (36.4 GB, low-profile, 10,000 rpm) P1166A (18.2 GB, low-profile, 10,000 rpm) P1168A (9.1 GB, low-profile, 10,000 rpm) P1216A (18.2 GB, low-profile, 7200 rpm) P1217A (9.
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HP NetServer RS/12 SCSI Upgrade Guide Host System Adapter (See Tables 1 & 2) RS/12 SCSI Card Hard Disk Drives (See Tables 1 & 2) Combination Supported? Transfer Rate of Combination Ultra2 Host D6025B Ultra2 SCSI HDDs Yes 80 MB/s (Ultra2 SCSI) Ultra3 Host D6025C Ultra3 SCSI HDDs Yes 160 MB/s (Ultra3 SCSI) To Install a Second RS/12 SCSI Card RS/12 SCSI Card 1 in Slot 1 RS/12 SCSI Card 2 in Slot 2 Thumbscrews Figure 2. Installing a Second RS/12 SCSI Card 1.
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HP NetServer RS/12 SCSI Upgrade Guide Warranty and Support The hardware warranty below applies to components purchased as accessories. If your component was factory installed as part of an HP NetServer model, refer to the HP NetServer Warranty and Service/Support Booklet provided with your system documentation for the warranty limitations, customer responsibilities, and other terms and conditions.