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About Your Host 47
Host Groups
A host group is a logical entity of two or more hosts that share access to
specific virtual disks on the storage array. You create host groups with MD
Storage Manager.
All hosts in a host group must have the same host type (operating system). In
addition, all hosts in the host group must have special software, such as
clustering software, to manage virtual disk sharing and accessibility.
If a host is part of a cluster, every host in the cluster must be connected to the
storage array, and every host in the cluster must be added to the host group.
Use the following procedures to create a host group, to add or remove hosts
from a host group, or to delete a host group.
Creating a Host Group
1
Click the
Configure
tab and then click
Create Host Group
.
2
Type a name for the new host group in the
Enter new host group name
text box.
3
In the
Select hosts to add
list, click the name of a host you want to add to
the host group, then click
Add
.
The host moves to the
Hosts in group
list.
4
Repeat step 3 until all the hosts you want to add to the host group are
moved into the
Hosts in group
list.
5
Click
OK
.
Adding a Host to a Host Group
1
Click the
Modify
tab, then click
Edit Host Topology
.
A list of hosts and host groups appears.
2
In the host topology list, click the plus sign (+) to the left of the host
group name.
The host group expands to show the hosts in the group.
3
Click the host you want to move and click
Move
.