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Installing xp external storage, Preparing for xp external storage settings, Installing external storage xp – HP StorageWorks XP Remote Web Console Software User Manual

Page 16: Preparing for external storage xp settings

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Table 2 XP External Storage requirements (continued)

Requirement

Item

Maximum number of external LUs that can be connected

For the XP12000, 15,360 volumes can be connected

For the XP10000/SVS200, 8,192 volumes can be
connected

1,024 volumes can be connected per port

NOTE:

If you use HP XP Snapshot Software, the number

of external LUs that can be connected is as follows:

For the XP12000:

Number of external LUs + Number of virtual

LUs

15,360

For the XP10000/SVS200:

Number of external LUs + Number of virtual

LUs

8,192

NOTE:

A LUN ID of a connected external volume should

be set in the range of 0 – 1,023. An external volume that
has a LUN ID equal to or larger than 1,024 cannot be
connected.

8

Maximum number of FC paths that can exist to one external
LU

2 TB (4,294,967,296 blocks) per external LU (OPEN-V)

Maximum capacity of an external LU

If you specify an external LU that is larger than 2 TB, you
can only access data stored in the field up to 2 TB.

About 38 MB (77,760 blocks) per external LU
(non-OPEN-V)

Minimum capacity of an external LU

When the volume's emulation type is OPEN-V, minimum
capacity is about 47 MB (96,000 blocks) per external LU.

Installing XP External Storage

To perform XP External Storage operations with XP Command View Advanced Edition Software
or Remote Web Console, you must install an XP External Storage license key.
1.

Start XP Command View Advanced Edition Software or Remote Web Console for the local
array.

2.

Enable the XP External Storage options in XP Command View Advanced Edition Software or
Remote Web Console and on each XP External Storage array.

For instructions, see the HP XP Command View Advanced Edition Software user guide for XP Disk
Arrays
or the HP XP Remote Web Console user guide for XP12000/XP10000 Disk Arrays and
SVS 200
.

Preparing for XP External Storage settings

Before using XP External Storage, collect the information necessary for defining its settings. The
following information is required:

Ports that can be set to external ports (see

“External ports” (page 17)

)

External array and LUs to map to the internal LDEVs (see

“External LU to be mapped” (page 17)

)

Configuration of external LU groups (see

“External LU groups” (page 17)

)

Configuration of external LU attributes (see

“External LU attributes set by mapping” (page 17)

)

Configuration of alternate paths (see

“Alternate paths” (page 19)

)

16

Preparing for XP External Storage operations