HP-UX Virtual Partitions Administrator's Guide (includes A.05.02)

CPU, Memory, and I/O Resources (A.03.xx)

I/O: Allocation Notes

Chapter 8

281

where the I/O assignment is speciﬁed using the LBA level (-a io:0.0) and the boot disk is speciﬁed using

the full hardware path (-a io:0.0.2.0.6.0).

For an nPartitionable system, the vparcreate command would look like:

#vparcreate -p vpar1 -a cpu::1 -a cpu:::1 -a mem::1024 -a io:0.0.0 \

-a io:0.0.0.2.0.6.0:BOOT

where the I/O assignment is speciﬁed using the LBA level (-a io:0.0.0.) and the boot disk is speciﬁed

using the full hardware path (-a io:0.0.0.2.0.6.0).

For information on using the LBA level on nPartitionable systems, also see “Planning, Installing, and

Using vPars with an nPartitionable Server” on page 56.

• SBA/LBA versus cell/SBA/LBA

When viewing hardware paths, note the following:

1. The explicit speciﬁcation of an LBA on a non-nPartitionable system consists of two ﬁelds: sba/lba

2. The explicit speciﬁcation of an LBA on an nPartitionable system consists of three ﬁelds:

cell/sba/lba

3. With A.03.02 and later and A.04.xx, all LBAs under a SBA are implied when explicitly specifying a

SBA without specifying any LBA. Therefore, the path speciﬁed on a command line can have different

meanings depending upon the vPars version, the type of server, and the user intent. For example, the

path of x/y can mean any of the following:

— sba=x, lba=y on a non-nPartitionable server running vPars A.03.01 or earlier.

— sba=x, lba=y on a non-nPartitionable server running vPars A.03.02 or later or A.04.xx.

— cell=x, sba=y on an nPartitionable server running vPars A.03.02 or later or A.04.xx.

• Supported I/O

Check your hardware manual to verify that your mass storage unit can be used as a bootable device. If a

mass storage unit cannot be used as a boot disk on a non-vPars server, it cannot be used as a boot disk on

a vPars server. vPars does not add any additional capability to the hardware.

For information on supported I/O interface cards and conﬁgurations, see the document HP-UX Virtual

Partitions Ordering and Conﬁguration Guide.