Hp NetRAID-4M Controller Bedienungsanleitung PDF herunterladen (Seite 158)

7-8

Command Line Interface User’s Guide

Stripe Set for further information on the container list

command.

In the following example, the container create stripe

command with the /stripe switch creates a stripe set with a stripe

size of 64 KB (kilobytes).

HPN0> container create stripe /stripe=64K ((2,1,0), 100M)

Executing: container create stripe /stripe_size=65,536

((CHANNEL=2,ID=1,LUN=0), 104,857,600)

Container 0 created

Enabling a Stripe Set’s Raw Container Cache

The controller provides two global cache buffer pools available to

containers: a volatile read-ahead cache and a non volatile NVRAM

write-back cache. Collectively, these global caches are referred to as

the raw container cache.

The container create stripe command provides a /cache

switch that allows you to enable the container’s raw cache.

In the following example, the container create stripe

command with the /cache switch creates a stripe set with the raw

container cache enabled.

HPN0> container create stripe /cache=TRUE ((2,1,0), 100M)

Executing: container create stripe /cache=TRUE

((CHANNEL=2,ID=1,LUN=0), 104,857,600)

Container 0 created

If you use the /cache switch, the controller:

■ Enables the read-ahead cache setting for the specified stripe

set.

■ Enables the NVRAM write-back cache setting for the specified

volume set if a battery is present and its status is Ok.

If you do not use the /cache switch, you can enable the stripe set’s

raw container cache later with the container set cache

command. See Chapter 9, Modifying Containers, for more

information on how to enable a stripe set’s raw container cache after

creating it.

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Hp NetRAID-4M Controller Bedienungsanleitung Seite 158