Accusys ExaRAID GUI User Manual
Page 82

Using the RAID GUI
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Remove hosts
Select the host(s) you want to delete and click Remove. Check the ‘Only
remove from host group’ box if you want to remove the host(s) from the
host group only.
Modify hosts/host groups
Select a host you want to change for its host name, host group ID, or host
group name, and click Modify to enter the settings screen.
Add LUNs in storage group
In the selective storage main screen, click SG > Add.
SG ID
Select a SG ID from the drop-down menu. A
maximum of 34 storage groups can be created
in the controller.
LUN ID
Select a LUN ID from the drop-down menu,
where up to 128 IDs are available for the
selection. A total of 1024 LUNs can be created in
the controller.
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.