HP LH4r HP NetRAID-4M Installation Guide - Page 101

Managing Containers, Enable When Protected, Enable Always, Disable

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Using the BIOS Container Configuration Utility This option should always be enabled to optimize performance, unless your application - which is unlikely - is doing completely random reads. 6 Specify if you want to enable write caching for the container. Note: For containers on a shared channel, write caching is automatically disabled. Write caching options consist of the following: - Enable When Protected (default) This means that the controller enables the container's write cache only if a battery is present and its status is OK. - Enable Always This means that the controller enables a container's write cache even if there is no battery or if the battery is bad. ! Caution: If you select this option, you may experience data loss in the case of a power loss. - Disable This means that the controller disables a container's write cache. 7 When finished, select Done. Managing Containers With the Manage Container option you can view information on containers, initialize containers, make a container the boot container, or delete containers. Note: CCU can display and manage a maximum of 24 containers. B-5

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B-5
Using the BIOS Container Configuration Utility
This option should always be enabled to optimize
performance, unless your application
—
which is unlikely
—
is
doing completely random reads.
6
Specify if you want to enable write caching for the container.
Note:
For containers on a shared channel, write
caching is automatically disabled.
Write caching options
consist of the following:
–
Enable When Protected
(default)
This means that the controller enables the container
’
s write
cache only if a battery is present and its status is OK.
–
Enable Always
This means that the controller enables a container
’
s write
cache even if there is no battery or if the battery is bad.
Caution:
If you select this option, you may experience
data loss in the case of a power loss.
–
Disable
This means that the controller disables a container
’
s write
cache.
7
When finished, select
Done
.
Managing Containers
With the Manage Container option you can view information on
containers, initialize containers, make a container the boot container,
or delete containers.
Note:
CCU can display and manage a
maximum
of 24
containers.
!