Acer PCI Disk Array Controller Drivers 08P4100 Bedienungsanleitung PDF herunterladen (Seite 71)

SCO OpenServer

Manual No. 775079 5-11

Updating a Previously Installed Driver

To install the Mylex Disk Array Controller into an existing system to replace

an older version of the driver, perform the following procedure:

1. Make sure you are in single-user mode (init 1), then install the Mylex

mdac drivers by running the installpkg utility. Insert the “Software Kit

SCO OpenServer Driver diskette.”

# init 1

# installpkg

2. When the message prompt asks for a package name, type mdac.

Please enter the names of the packages you

wish to install, or q to quit: mdac

3. A message prompt will advise you that a mdac is already installed and

will ask you to confirm that you want to replace it. Type y for yes.

There is already a mdac installed.

Do you want to replace it with the version

in madac? (y/n/q): y

4. Rebuild SCO UNIX kernel.

# cd /etc/conf/cf.d

# ./link_unix

5. Reboot the system to invoke the new kernel.

Tuning SCO for Maximum Performance

Best system performance can be achieved when using the Mylex Disk Array

Controller SCO UNIX mdac driver by fine-tuning certain UNIX parameters.

To perform this system tune-up, use the scoadmin utility. Select Hardware/

Kernel manager. Under the Kernel option select Tune Parameters. The

SDSKOUT parameter is located under Miscellaneous device drives and

hardware parameters and the NMPBUF parameters is located under Buffers

management. Refer to the SCO UNIX on-line documentation for

information on the scoadmin utility.

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Acer PCI Disk Array Controller Drivers 08P4100 Bedienungsanleitung Seite 71