Red Hat NETSCAPE MANAGEMENT SYSTEM 6.01 - CUSTOMIZATION Especificações descarregar pdf (Página 93)

7 On the Hardware tab, select the SCSI device identifier to use for the device from the Virtual device

node drop-down menu and click OK.

For example, if you select SCSI 0:2, the guest operating system sees the drive as ID 2 on controller 0.

Install the BusLogic Driver in a Windows NT 4.0 Guest

Generic SCSI devices use the virtual Mylex (BusLogic) BT/KT-958 compatible host bus adapter provided by

the virtual machine. On Windows NT 4.0, you might need to install the driver manually if it is not already

installed for a virtual SCSI disk. Install the driver before you add a generic SCSI device.

Prerequisites

Verify that the Windows NT installation CD is available.

Procedure

1 Select Start > Settings > Control Panel > SCSI Adapters to open the SCSI Adapters control panel.

2 On the Drivers tab, click Add.

3 From the list of vendors, select BusLogic.

4 From the list of drivers, select BusLogic MultiMaster PCI SCSI Host Adapters and click OK.

5 Insert the Windows NT CD and click OK.

6 Reboot the virtual machine.

Avoiding Concurrent Access Problems for SCSI Devices on Linux Hosts

Player makes sure that multiple programs do not use the same /dev/sg entry at the same time, but it cannot

always ensure that multiple programs do not use the /dev/sg entry and the traditional /dev entry at the

same time.

The SCSI generic driver sets up a mapping in /dev for each SCSI device. Each entry starts with sg, for the

SCSI generic driver, followed by a number. For example, /dev/sg0 is the first generic SCSI device. Each

entry corresponds to a SCSI device in the order specified in /proc/scsi/scsi, from the lowest device ID on

the lowest adapter to the highest device ID on the lowest adapter, and so on to the highest device ID on the

highest adapter.

Some Linux devices, such as tape drives, disk drives, and CD-ROM drives, already have a designated /dev

entry (st, sd, and sr, respectively). When the SCSI generic driver is installed, Linux identifies these devices

with corresponding sg entries in /dev, in addition to their traditional entries.

To avoid concurrent access problems, do not specify /dev/st0 or /dev/sr0 when you specify which SCSI

device to use in a virtual machine.

IMPORTANT Do not attempt to use the same generic SCSI device in both the host system and guest operating

system. Unexpected behavior and data loss or corruption might occur.

Troubleshoot Problems Detecting Generic SCSI Devices

When you add a generic SCSI device to a virtual machine, the device does not appear in the list of available

SCSI devices.

Problem

The SCSI device does not appear in the list of available SCSI devices after you add it to a virtual machine.

Chapter 6 Configuring and Managing Devices

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Red Hat NETSCAPE MANAGEMENT SYSTEM 6.01 - CUSTOMIZATION Especificações Página 93