Dell Emulex Family of Adapters - Manual (Page 139)

OneCommand™ Manager Application P010066-01A Rev. A
8. Managing Adapters and Ports
FC/FCoE
139
Normally, for a specific LUN, the states reported in the 'On Reboot' and
'Current' column are identical. However, there can be times where these do not
match. For example, the hbacmd utility can be used to change only the 'Current'
mask state for a LUN and not touch the 'On Reboot' mask state contained in the
configuration file.

Current – The 'Current' column displays the live mask state currently in use by
the driver. When you first see the LUN Masking tab, the mask states displayed
in the 'Current' column are identical to the mask states for the corresponding
LUNs in the discovery-tree.
To change the mask status of a LUN:
1. Select Host view.
2. From the discovery-tree, select the SCSI target whose LUN masking state you want
to change. A set of LUNs appears below the selected SCSI target.
3. Select the LUN Masking tab. This tab contains a list of the same set of LUNs that
appear below the SCSI target in the discovery-tree.
4. In the LUN list of the LUN Masking tab, select one or more LUNs. The Mask
Selected LUNs, Unmask Selected LUNs, Unmask All LUNs, Restore and Apply
buttons become active as appropriate. For example, if the LUN is currently
unmasked, only the Mask Selected LUNs button is active.
5. Change the mask status: click Mask Selected LUN(s), Unmask Selected LUN(s) or
Unmask All LUNs as appropriate. Mask status changes appear in red text.
Note: To return all mask settings to their status before you started this procedure,
click Restore before you click Apply. Once you click Apply, changes cannot
be cancelled by clicking Restore. To unmask all LUNs, click Unmask All
LUNs. This button is always active. Be sure to also click Apply to commit
the changes.
6. Click Apply to commit the changes. An informational message is displayed that
confirms the mask status has changed and the red text changes to black.
Managing FC/FCoE ExpressLane LUNS (LPe15000 and
LPe16000 HBAs)
The OneCommand Manager application allows you set special priority queuing for
selected LUNs by making them ExpressLane LUNs. ExpressLane LUN performance is
superior to that of regular LUNs. You can enable ExpressLane LUNs attached to both
physical and virtual ports.
ExpressLane LUN assignments persist across reboots.