HP AlphaStation DS20 Manual do Utilizador descarregar pdf (Página 10)

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Page 10

4 Using the FFAUTO and FFNEXT

This section describes how to use the FFAUTO and FFNEXT console environment variables. They are used to

force devices (e.g. disks) from a not connected state to a connected state to make them bootable. The console does

not allow booting of devices that are in a not connected state.

FFAUTO and FFNEXT are used for situations and configurations where an operator needs to force the console to

boot a not connected device. These console environment variables were introduced in console firmware V5.5

(August 1999).

4.1 About Device States

4.1.1 Behavior of Not Connected Devices

HSZ8x disk array controllers or HSG8x array controllers may have their disks in a “connected” or “not connected”

state. In MULTIBUS mode, a disk state of “not connected” is normal and correct. Because the console does not

allow booting devices in the “not connected” state, attempted to boot a “not connected” disk produces the console

error message below:

P00>>>b dga40.1003

resetting all I/O buses

VGA Bios failed, status = 1

(boot dga40.1003.0.6.0 -flags 0)

dga40.1003.0.6.0 is not connected

failed to open dga40.1003.0.6.0

Therefore, to successfully boot a disk, select either a “connected” disk or use the FFAUTO or FFNEXT command.

4.1.2 Identify a Not Connected Device from HSZ80 or HSG80

The HSZ8x or HSG8x console can help the operator determine where a disk device is connected. In this HSG80

console example below, the state of disk device d40 is ‘ONLINE to this controller’ and therefore is connected.

HSG80> show d40

LUN Uses Used by

-----------------------------------------------------------------------------

D40 DISK50000

LUN ID: 6000-1FE1-0000-04A0-FFFF-FFFE-0005-0000

IDENTIFIER = 40

Switches:

RUN NOWRITE_PROTECT READ_CACHE

READAHEAD_CACHE

MAXIMUM_CACHED_TRANSFER_SIZE = 32

Access:

ALL

State:

ONLINE to this controller

Not reserved

NOPREFERRED_PATH

Size: 4110480 blocks

Geometry (C/H/S): ( 3045 / 16 / 85 )

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16

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