System information

Using the RAID GUI
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Remove LUNs in storage group
Select the LUN(s) you want to delete and click Remove. To remove all LUNs of a virtual disk from all storage groups,
check the ‘Remove mapping virtual disk from all storage group’ box.
Modify LUN/storage group
Select a LUN/ storage group you want to change for its mask status, access right, or storage group name, and click
Modify to enter the settings screen. To configure the same settings to all LUNs in a storage group, check the ‘Apply to
all LUNs in this storage group’ box.
Bind host/host group and storage group to host ports
Now you can click Bind in the selective storage main screen. Select from the HTP ID, Host/ HGID, and SG ID drop-down
menu for binding.
Unbind hosts/ host groups and storage groups to host ports
Select a binding you want to cancel and click Unbind in the selective storage main screen. Click Confirm to cancel the
selected binding.
2.7 Maintenance Utilities
This feature allows you to perform maintenance tasks on your arrays.
2.7.1 Expanding disk groups
DG Reconfiguration allows expansion on disk groups by adding one or more disks, thus increasing the usable capacity
of the disk group. You can also perform defragmentation during expansion.
To expand disk groups, do the following:
1. Select Maintenance Utilities > DG Reconfiguration from the main menu.
2. Click Expand and specify the following options for a DG expansion task.
3. Click Apply to review the current settings.
Mapping Virtual Disk Select a virtual disk from the drop-down menu for LUN mapping.
Mask Status Unmask / Mask
This option makes a LUN available to some hosts and unavailable to other hosts.
Access Right Read-only / Read-writable
The access right is applied to individual LUNs in a storage group.
Sector Size 512Byte / 1KB / 2KB / 4KB
Select a sector size from the drop-down menu as the basic unit of data transfer in
a host.
Number of Cylinder / Number of
Head / Number of Sector
Define a specific cylinder, head, and sector to accommodate different host
systems and applications. The default is Auto.
Write Completion Write-behind: Write commands are reported as completed when a host’s data is
transferred to the write cache.
Write-through: Write commands are reported as completed only when a host’s
data has been written to disk.
DG ID Select a disk group for expansion from the drop-down menu.
Expanding HDDs Select and use the arrow buttons to move one or more unused hard disks from the
Available HDDs list to the Expanding HDDs list.
Schedule Immediately: The task will start immediately.
Once: The task will start on the specified date and time.
Defragment during
expanding
Check this option to allow for defragmentation during expansion.