VDEV#

Virtual device number to which the external volume is mapped

Characteristic1

Identification number of the external volume¹

Characteristic2

Extended information for identifying the external volume

Device

Product name reported to the host by the external volume¹

Capacity(blocks)

Capacity of the external volume (in blocks)

Cache Mode

Indicates whether the write data from the host to the external storage system is reflected synchronously or asynchronously

• Enabled: Asynchronously

• Disabled: Synchronously

ECC Group

Number of parity group to which the external volume is mapped.

(E1-1 to E16384-4096)

Current MPU

Number and name of a current MP unit controlling the parity group to which the external volume is mapped (MPU-10, MPU-11, MPU-20, MPU-21)

Setting MPU

Number and name of an MP unit configured to control the external volume indicated by the ECC Group (MPU-10, MPU-11, MPU-20, MPU-21)

Vendor

Vendor name of the external storage system

Product Name

Product name of the external storage system

Serial Number#

Serial product number of the external storage system

Path Mode

Mode which indicates how the paths between local and external storage systems operate

• Multi

• Single

• ALUA

Port

Name of a local port from which the external path is connected to the external storage system

WWN

Port identifier number of the external storage system

LUN

LU number set for the external volume.

Priority

Priority of the paths between the storage systems to be used for connection with the external volume.

“1” indicates the path of the highest priority.

Status

Status of the path between storage systems.

• Normal

• Blocked

IO TOV

I/O timeout value for the external volume (5 to 240)

QDepth

The number of Read/Write commands that can be issued to the external volume at a time (2 to 128)

Resource Group ID (ECC Group)

Resource group ID (hexadecimal, 0 to 1023) for the external volumes

Resource Group Name (ECC Group)

Resource group name of the external volumes

Load Balance Mode

I/O load balance distribution logic specified for external volume

• Normal Round-robin

• Extended Round-robin

• Disabled

A hyphen (-) is displayed when Single is specified in Path Mode

Path Mode on Profile

Path mode on profile information of the external storage system:

• Multi

• Single

ALUA Settable

Indicates whether or not ALUA mode can be set as path mode on the external storage system

• Yes: ALUA mode can be set

• No: ALUA mode cannot be set

ALUA Permitted

Indicates whether or not ALUA is used as path mode on the local storage system:

• Enabled: ALUA mode is used

• Disabled: ALUA mode is not used

Target Port Asymmetric Access State

Status of the port on the external storage system when the path mode is ALUA:

• Active/Optimized

• Active/Non-Optimized

Note:

1. If the character string contains a comma, the comma is converted to a tab.