HP XP P9500 Storage - Manual (Page 92)

Table 37 Remote command device restrictions
Restriction Item
OPEN-V Emulation type
1 Number of LDEVs in an external volume
Disable Cache mode
96,000 Blocks (about 47 MB) Minimum capacity
4TB Maximum capacity
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The remote command device cannot be identified by the port discovery or volume discovery
process of External Storage.
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When an external storage system (A) has a remote command device (B) (that is, when a
command device in another external storage system (C) is mapped to this external storage
system (A), make sure that the remote command device (B) does not have the smallest LUN
on the port in the external storage system (A).
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You cannot execute I/Os to the remote command device.
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You cannot set the command device disable on the remote command device.
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You cannot set the command device security on the remote command device.
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Do not set the command device security on the external storage system side for the command
device that is mapped as a remote command device.
•
You cannot create a LUSE volume using a remote command device.
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You cannot create CVs using the VLL function in the remote command device.
•
Cache Residency is not available on the remote command device.
Mapping a command device as a remote command device
The command devices that can be mapped as remote command devices appear in the Device
Name column of the Mapped Volumes window as indicated in
Table 36 (page 90) .
To map a command device, select a command device that can be mapped and follow the procedure
in
“Mapping an external volume” (page 41) .
92 Remote command devices