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Chapter 9 Connectivity Management
9.2 Functions in the Action Area for Connectivity
9.2.6
Modify Reset Group
This function edits a reset group.
All of the ports are configured to be members of one reset group on the initial setting. This func-
tion can create a reset group with only specific ports or change the member ports of an existing
reset group when ports cannot be accessed.
The maximum number of reset groups is equal to the number of ports.
The procedure to modify a reset group is as follows:
Procedure
1
•
If a host is unable to access the volumes in a port, this function releases
the volumes reserved by the inaccessible port to the ports in the
specified reset group, without affecting other ports.
•
When a port is shared by multiple servers using the host affinity
function, only volumes that can be released under the instructions from
the servers are included in the LUN group, with a host affinity configured
with the target server.
•
One port cannot be registered in multiple reset groups.
•
Only the ports with the "CA" port mode can be registered in a reset
group.
•
If some ports have been removed from the modification target reset
group, a different group is created using those ports. For instance, if
ports (Port#2 and Port#3) have been removed from the modification
target reset group A (Port#0, Port#1, Port#2 and Port#3), a reset group
A (Port#0 and Port#1) and a reset group B (Port#2 and Port#3) are
created after modification. The minimum number of ports per reset
group is one port.
•
Reset groups are required for certain servers to switch clusters
correctly.
•
Ports with different CA types can be members of the same reset group.
•
For more details on which servers are required to configure the reset
group, refer to "User's Guide -Server Connection-" for each OS type.
Select the reset group to be modified, and click [Modify Reset Group] in [Action].
ETERNUS Web GUI User's Guide
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