Table 18 Information Saved when the MappedVolume Tag is Written

Layer

Column in

Item

Content

 

Spreadsheet

 

 

First Layer

 

 

Information about the external storage system

 

A

Vendor

Name of the vendor

 

B

Product

Name of the storage system

 

C

SerialNumber

Serial number of the storage system

Second Layer

 

Information about the external volume

 

A

+

Identifier

 

B

PathGroup

Path group number

 

C

ExG

External volume group number and its sequential number

 

D

Characteristic1

Identification number of the external volume

 

E

Device

Name of the storage system that is reported to the host by the external

 

 

 

volume

 

F

Attribute

Normal: This volume is an external volume.

 

 

 

R-CMD: This volume is a remote command device.

 

G

CacheMode

Enable: Cache mode is set to Enable.

 

 

 

Disable: Cache mode is set to Disable.

 

H

InflowControl

Enable: Inflow control is set to Enable.

 

 

 

Disable: Inflow control is set to Disable.

 

I

PathMode

Single: The cross-subsystem paths work in the Single mode.

 

 

 

Multi: The cross-subsystem paths work in the Multi mode.

 

 

 

APLB: The cross-subsystem paths work in the APLB mode.

 

J

Capacity

Capacity of the external volume. This capacity is expressed in blocks.

 

K

Characteristic2

Extended identification number of the external volume

Third Layer

 

 

Information about the cross-subsystem paths

 

A

+

Identifier

 

B

+

 

 

C

Port

Port number of the local storage system

 

D

WWN

WWN of the external storage system

 

E

LUN

LU number of the external volume

The information about the external volumes that is defined to the local storage system will be stored in files per path group. It takes approximately 30 seconds to store the data into files when there are 64 path groups.

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HP XP24000, XP20000 manual Information Saved when the MappedVolume Tag is Written, Layer, WWN of the external storage system