2. Restart emulations or reboot the device (see “Restarting VLS Device Emulations” on page 144 or
“Rebooting the System” on page 100).
3. Discover unconfigured storage (see Discovering Array LUNs). This deletes the removed LUNs
from the configuration.
To unpresent a LUN:
1. In Command View EVA, Storage tab navigation tree, select the EVA for the VLS Gateway storage
system, Virtual Disks, the disk name that you want to present, then ACTIVE under that disk.
2. Select the Presentation tab for the ACTIVE Vdisk.
3. Click on the Unpresent button.
4. Select the disk to remove from the host (Figure 12).
Figure 12 Unpresent Host(s) window
.
5. Click on Unpresent host(s).
6. Click OK from the confirmation dialog box.
7. Click OK under Operation Succeeded in the status pane.
8. If there is a break in numbering of the remaining LUNs, LUN numbers after the break must be
reconfigured. See “Multi-node Setup” on page 33 for detailed instructions.
CAUTION:
LUN numbering must be sequential with no gaps. Gaps in LUN numbering will prevent the VLS
Gateway from recognizing any nodes with any LUNs after the gap. For example, if LUN
numbering is 0, 1, 2, 4, 5, the VLS Gateway will not recognize LUNs 4 and 5.
Configuring Storage Pools
VLS automatically creates one storage pool. HP recommends that a single storage pool is used even
for multiple arrays. However, if additional pools are needed, you must create them. To do so:
Storage Configuration42
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