External Storage XP user guide 95
• Serial number
•Vendor
•Device name
NOTE: The device name reported to the host is the same as the one displayed in the Device
column of the Device list. For the device names reported to the host, see Table 9.
• The following are restrictions for mapping command devices as remote command devices.
• External Storage XP’s Discovery operation cannot identify remote command devices.
• You cannot execute I/Os to remote command devices.
• You cannot set command devices to disabled on remote command devices.
• You cannot set command devices’ security on remote command devices.
• Do not set command devices’ security on the external disk array side for command devices mapped as
remote command devices.
• You cannot create LUSE volumes using remote command devices.
• You cannot use Volume Manager to create CVs in remote command devices.
• Cache LUN XP is not available on remote command devices.
Mapping command devices as remote command devices
To map command devices in external disk arrays as remote command devices, see ”Mapping external LUs
(Add LU)” on page 60.
NOTE: Command devices that can be mapped as remote command devices are displayed on External
Storage XP’s panes as shown in Table 9.
When you select Discovery in the Device tree on the LU Operation pane, the external disk array’s WWNs
appear. When you select an external disk array’s WWN in the Device tree, information such as
OPEN-V-CM appears in the Device column of the Device list for command devices that can be mapped.
Select a command device that can be mapped, and follow the procedure in ”Mapping external LUs (Add
LU)” on page 60 to map it.
Troubleshooting External Storage XP
If you have a problem with the Command View XP computer or Command View XP or XP Remote Web
Console software, see the HP StorageWorks Command View XP user guide for XP Disk Arrays or the
HP StorageWorks XP Remote Web Console for XP12000/XP10000 for troubleshooting information.
Table 11 provides general troubleshooting instructions for External Storage XP operations.
Table 10 Restrictions on remote command devices
Item Restriction
Emulation type OPEN-V
Number of LDEVs in an external LU 1
IO Suppression mode Disable
Cache mode Disable
Minimum capacity 96,000 blocks (about 47 MB)
Maximum capacity 2 TB
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