Configuring Storage Pools; Unpresent Host(S) Window - HP StorageWorks 12000 - Virtual Library System EVA Gateway User Manual

2. Restart emulations or reboot the device (see
"Rebooting the
3. Discover unconfigured storage (see
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 13 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
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:
42 Storage Configuration
System" on page 100).
Discovering Array
(Figure
"Multi-node Setup" on page 33 for detailed instructions.
"Restarting VLS Device Emulations" on page 147 or
LUNs). This deletes the removed LUNs
13).