HP NetRAID-4M Controller - Manual (Page 230)

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Command Line Interface User’s Guide
To enable a container’s volatile read-ahead cache, use the
container set cache command with the
/read_cache_enable switch, as in the following example. In the
example, the /read_cache_enable=TRUE switch enables the volatile
read-ahead cache on container 0.
HPN0> container set cache /read_cache_enable=TRUE 0
Executing: container set cache /read_cache_enable=TRUE 0
After running the container set cache command to enable a
container’s volatile read-ahead cache, use the container show
cache command to display information about the container’s
cache, as in the following example. In the example, the Read Cache
Setting
item indicates ENABLE, which means that the container’s
volatile read-ahead cache is enabled.
HPN0> container show cache 0
Executing: container show cache 0
Global Container Read Cache Size : 81920
Global Container Write Cache Size : 27729920
Read Cache Setting : ENABLE
Write Cache Setting : ENABLE WHEN PROTECTED
Write Cache Status : Active, protected
Working with Enabling the Container’s NVRAM Write-back
Cache
The CLI allows you to enable a container’s NVRAM write-back
cache. To enable a container’s NVRAM write-back cache, use the
container set cache command.
To work with enabling a container’s NVRAM write-back cache, you
must understand:
■ The container set cache attributes you can specify
■ How to enable a container’s NVRAM write-back cache
The following sections discuss each of these topics.