• TagmaStore Universal Storage Platform
• TagmaStore Network Storage Controller
• Lightning 9900V series
• Thunder 9500V series
• VP9500
• H24000
• H20000
• SANRISE H12000
• SANRISE H10000
• SANRISE H1024/H128
• HP P9500
• HP24000
• HP20000
• HP12000
• HP10000
• HP1024/HP128
Requirements
The following table shows requirements for mapping a command device as a remote command
device.
Table 3 Restrictions on remote command device
RequirementItem
OPEN-VEmulation type
1Number of LDEVs in an external volume
DisableCache mode
96,000 Blocks (about 47 MB)Minimum capacity
4TBMaximum capacity
16*Maximum number of the available RAID Manager instances
per remote command device
* Maximum number of available RAID Manager instances may be less than 16, dependent upon the number of paths
between a local storage system and an external storage system.
Restrictions and other information
Before mapping a command device as a remote command device, note the following information.
• The remote command device cannot be identified by port discovery or volume discovery
process that takes place during the mapping operation.
• 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).
• You cannot execute I/O to the remote command device.
• You cannot set command device disable on the remote command device.
• You cannot set command device security on the remote command device.
Requirements 77
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