Compaq AlphaServer GS60E Guia de Instalação descarregar pdf (Página 52)

3-8 Getting Started with Logical Partitions

3.3

Detailed Instructions for lp_io_mask

The lp_io_mask environment variable is set to a hexadecimal mask in

which the bit position of a 1 indicates the slot in which the I/O module

resides.

Figure 3–4 Construction of Three-Partition I/O Bit Masks (GS140 Only)

Bits set

= hex value 100

Partition 0

Partition 1

Partition 2

Slot No.

Bits set

= hex value 80

Slot No.

Bits set

Slot No.

BX-0100D-99

...

8 7 6 5 4 3 2 1 0

1 0 0 0 0

0 0 0 0

0 1 0 0 0

= hex value 40

8 7 6 5 4 3 2 1 0

0 0 0 00 0 1 0 0

A three-partition system requires three I/O modules (either one KFTIA plus two

KFTHA modules, or three KFTHA modules), one module for each partition.

Figure 3–4 shows the bit locations for assigning the I/O module in slot 8 to par-

tition 0, the I/O module in slot 7 to partition 1, and the I/O module in slot 6 to

partition 2. The console commands issued to create such partitioning are:

create –nv lp_io_mask0 100

create –nv lp_io_mask1 80

create –nv lp_io_mask2 40

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 79 80

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Compaq AlphaServer GS60E Guia de Instalação Página 52