Lun Group - Fujitsu ETERNUS DX60 S3 User Manual

Chapter 5 Connectivity Status

5.4 LUN Group

5.4 LUN Group
A list of the LUN groups is displayed.
A LUN group is a group of LUNs, which can be recognized by the host. The allocation information of LUNs and
volumes in the ETERNUS DX/AF are configured to the LUN group.
The following items are displayed in the Main area:
• No.
The LUN group number is displayed. By clicking this item, the [LUN Group Detail] screen is displayed. Refer
to "5.4.1 LUN Group Detail" (page 269)
• Name
The LUN group name is displayed. By clicking this item, the [LUN Group Detail] screen is displayed. Refer to
"5.4.1 LUN Group Detail" (page 269)
• Status
Whether the LUN group is used ("Active") or not ("Inactive") for the host affinity settings is displayed.
"Host Affinity Setting" is to specify association between "Host Group", "CA Port Group", and "LUN Group" or
association between "Host", "CA Port", "and "LUN Group".
- Active
The LUN group is used for the host affinity settings. The LUN group can be accessed from the host.
- Inactive
The LUN group is not used for the host affinity settings.
• Number of LUNs
The number of LUNs, which have been allocated to volumes in the LUN group, is displayed.
• LUN Overlap
If volumes in the LUN group satisfy one or both of the following conditions, "Yes" is displayed. For any other
conditions, the field is blank.
- The volumes are allocated to different LUN groups.
- The volumes are included in the mapping information, which is directly allocated to the CA port without
specifying the host group or the CA port group.
• Storage Cluster
If volumes in the LUN group are used for the Storage Cluster function, "Enable" is displayed. When no
volumes are used for the Storage Cluster function, "Disable" is displayed.
This item is displayed only when "Enable" is selected for the Storage Cluster function.
for display items.
for display items.
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