Requirements, Restrictions and other information, Requirements restrictions and other information – HP XP Racks User Manual

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SANRISE9500V series

TagmaStore Universal Storage Platform

TagmaStore Network Storage Controller

Lightning 9900V series

Thunder 9500V series

Virtual Storage Platform VX7

VP9500

H24000

H20000

SANRISE H12000

SANRISE H10000

SANRISE H1024/H128

XP7 Storage

P9500

XP24000

XP20000

XP12000

XP10000

XP1024/XP128

Requirements

The following table shows requirements for mapping a command device as a remote command
device.

Table 3 Restrictions on remote command device

Requirement

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

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).

Requirements

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