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

Page 95

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SANRISE9500V series

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TagmaStore Universal Storage Platform

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TagmaStore Network Storage Controller

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Lightning 9900V series

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Thunder 9500V series

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Virtual Storage Platform VX7

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VP9500

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H24000

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H20000

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SANRISE H12000

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SANRISE H10000

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SANRISE H1024/H128

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XP7 Storage

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P9500

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XP24000

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XP20000

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XP12000

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XP10000

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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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