Modify Lun Group - Fujitsu ETERNUS DX60 S3 User Manual

Chapter 4 Connectivity Management
4.4 LUN Group Management
4.4.3

Modify LUN Group

This function modifies LUN groups.
• When changing or deleting the volume allocation in a running LUN group, stop access from the
associated host.
• When adding LUNs or volume allocation to a running LUN group, stopping access from the associated
host is not necessary.
• Only the volumes with "Standard", "WSV", "TPV", "FTV", or "SDV" volume types can be registered in the LUN
group. "SDPV" volumes cannot be registered in the LUN group.
• To change a LUN group with host affinity settings, which LUNs can be recognized by the host depends on
the host response setting that is allocated to the host group or the host. Refer to
recognizable LUNs" (page 818)
- When the number of recognizable LUN is "256 LUN"
256 LUNs (LUN#0 - LUN#255) can be accessed (LUN#256 - LUN#4095 cannot be accessed)
- When the number of recognizable LUN is "4096 LUN"
4096 LUNs (LUN#0 - LUN#4095) can be accessed
• The following volumes cannot be registered in the LUN group. These volumes are not displayed as
selectable volumes.
- Volumes with the mirroring reservation attribute (*1)
- ODX Buffer volumes
- NAS volumes that are used in a Unified Storage environment
- Volumes that are used for the Virtual Volume function (including "$VVOL_META")
*1: An attribute to be set to a volume being created as the REC copy destination by the Dynamic LUN Mirroring
function. The volumes with this attribute may have been left in the storage system due to unsuccessful creation.
Volumes that have the mirroring reservation attribute can be checked in the "Forbid Advanced Copy" field on the
[Volume] screen. Refer to "Volume (Basic Information)" in "ETERNUS Web GUI User's Guide (Operation)" for
details.
For details on the parameters for this function, refer to
for details. When adding LUNs to a LUN group, check the host response.
467
ETERNUS Web GUI User's Guide (Settings)
Copyright 2015 FUJITSU LIMITED
"A.4.4.2 Modify LUN Group" (page
"Host responses and
869).
P2X0-1270-13ENZ0