Using Spreadsheets for Universal Volume Manager Operations
6-5
Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide
Table 6-5
Information Saved when the MappedVolume Tag is Written
Layer
Column in
Spreadsheet
Item
Content
The 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.
The 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.
J
Capacity
Capacity of the external volume. This capacity is expressed
in blocks.
K
Characteristic2 Extended identification number of the external volume.
The 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.
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