HP NetRAID-4M Controller - Manual (Page 215)

9-7
Modifying Containers
Typically, you use the container promote command as part of
a process to provide fault tolerance for existing volume sets.
To work with container promotion, you must understand:
■ The container promotion attributes you can specify
■ How to promote a container
■ Container promotion in a UNIX environment
The following sections discuss each of these topics.
Understanding the Container Promotion Attributes You can
Specify
You use the container promote command to promote a
container. The container promote command has no attributes.
Understanding How to Promote a Container
This section provides an example that describes how to promote a
container.
Before promoting a container, use the container list command
to display information about your containers, as in the following
example. In the example, the Type column indicates that container 0
is a Stripe set.
HPN0> container list
Executing: container list
Cluster Num Total Oth Stripe Scsi Partition
Dr Partner Label Type Size Ctr Size Usage C:ID:L Offset:Size
-- ------- ----- ------ ------ --- ------ ------- ------ -------------
0 0 Stripe 100MB 32KB None 2:01:0 64.0KB: 100MB
To promote a container, use the container promote command, as
in the following example. In the example, container 0 is promoted
from a single-level stripe set to a multi-level stripe set of volume
sets.
HPN0> container promote 0
Executing: container promote 0
After running the container promote command to promote a
container, use the container list command to display
information about the containers, as in the following example. In the
example, the Type column indicates a top-level Stripe set, whose