ATTO Technology Express SAS R348 Anleitung zur Fehlerbehebung PDF herunterladen (Seite 7)

0x40 Log resource usage failures.

0x80 Log informational messages.

System NVRAM Options

A system NVRAM environment variable, atto-args-esasraid, can be used to pass options

to the ExpressSAS2 driver. The options are as follows:

-d Disable the driver.

-e mask Specify the hexadecimal mask 'mask' for event logging.

See Section B for more details.

-f Load the driver in 'flash-only' mode. You will be able to use

the ATTO Configuration Tool to update the , but devices

will not be visible.

[blank] Leave the options parameter blank to clear the options.

Note:

1. These options are stored in system NVRAM; therefore they persist

between reboots and shutdowns.

2. Resetting the system NVRAM via Command+Option+P+R will remove the

options.

3. You can view the current options in OS X by opening a Terminal window

and entering

nvram atto-args-esasraid

Setting the options from the Open Firmware User Interface (PowerPC

systems only)

1. Boot to the Open Firmware User Interface by pressing

Command+Option+O+F while booting.

2. At the prompt, enter the following command:

setenv atto-args-esasraid [options]

where [options] are listed above.

3. At the prompt, enter the command 'mac-boot' to boot into OS X.

Setting the options in OS X

1. Open a Terminal window.

2. At the prompt, enter the following command:

Page 7 of 9 ATTO Technology, Inc. July 12, 2007

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ATTO Technology Express SAS R348 Anleitung zur Fehlerbehebung Seite 7