Number of External Storage Systems

Number of external storage systems in which mapped external volumes reside.

Number of External Paths

Number of external paths.

Number of iSCSI Paths

Number of iSCSI paths of the local storage system set for connection to external storage systems.

Number of External Volumes

Number of mapped external volumes.

External Volume Capacity

Total capacity of mapped external volumes.

Vendor / Model / Serial Number

Identifying information for the selected external storage system.

When the link is clicked, more information for the system is shown.

Status

Any of the following statuses can display for the external system.

• Normal: There are no problems, the system is usable.
• Disconnect: The external system or one of its mapped volumes has been intentionally disconnected.
• Checking: The system is checking the mapping path status.
• Unknown: The status of the mapping path is not known.
• Cache Destage: Writing of data from cache memory to the volume is in progress.
• Warning: There are mapping paths whose status is not normal. You can check their status in the View External LUN Properties window.
• Blockade: The mapping path is blocked.
• Destage Failed: The writing of data from cache memory to the volume failed.

Number of External Path Groups

Number of external path groups in the external system.

Add External Volumes

When clicked, launches the Add External Volumes window.

Disconnect External Storage Systems

When clicked, launches the Disconnect External Storage Systems window.

Reconnect External Storage Systems

When clicked, launches the Reconnect External Storage Systems window.

Edit Policies*

When clicked, launches the Edit Policies window.

Export*

When clicked, allows you to save table information to a file.

Notes:

* Appears when you click More Actions.

Port ID

Displays the external port of the local storage system.

Type

Displays the port type.

• Fibre: Fibre Channel port
• iSCSI: iSCSI port

Virtual Port ID

Displays the virtual port of the local storage system.

External

Displays the information about the target port of the external storage system.

• IP Address: Displays the target port IP address when the port type is an iSCSI port.
• TCP Port Number¹: Displays the target TCP port number when the port type is an iSCSI port.
• WWN / iSCSI Target Name: Displays the WWN to show the target port when the port type is a Fibre Channel port. If the port type is iSCSI port, the iSCSI target name is displayed.

Vendor / Model / Serial Number

Identifying information for the external system.

Status

Status of external paths.

• Normal: There are no problems, the system is usable.
• Disconnect: The path has been intentionally disconnected.
• Checking: The system is checking the external path status.
• Unknown: The status of the external path is not known.
• Warning: There are external paths whose status is not normal. You can check their status in the View External LUN Properties window.
• Blockade: The external path is blocked.

QDepth

Number of Read/Write commands that can be queued to the external volume. 8 is set by default.

When Load Balance Mode is Extended Round-robin and the I/Os issued to the external volume are sequential, the number of Read/Write commands that can be queued at one time is the total of the QDepth values of all the external paths.

I/O Timeout(sec.)

Number of seconds that should pass before I/O to the external volume times out. 15 seconds is the default.

Blocked Path Monitoring (sec.)

Time that will elapse from the time that a path goes down to the time when the external volume is blocked. 10 seconds is the default.

Disconnect External Paths

When clicked, launches the Disconnect External Paths window.

Reconnect External Paths

When clicked, launches the Reconnect External Paths window.

Edit External WWNs

When clicked, launches the Edit External WWNs window.

Edit External iSCSI Targets²

When clicked, launches the Edit External iSCSI Targets window.

Edit Policies²

When clicked, launches the Edit Policies window.

Export²

When clicked, allows you to save table information to a file.

1. Does not appear by default. To display the item, change the settings in the Column Settings window.
2. Appears when you click More Actions.

Add iSCSI Paths button

Displays Add iSCSI Paths window.

Edit iSCSI Targets button

Displays Edit iSCSI Targets window.

Delete iSCSI Paths button

Displays Delete iSCSI Paths window.

Test Login iSCSI Target*

Executes login test for the iSCSI target.

Export*

Displays the window to save table information to a file.

Local

Displays the local storage system port information.

• Port ID: Displays the port ID.
• Virtual Port ID: Displays the virtual port ID.
• CHAP User Name: Displays the CHAP user name, if specified.

Remote

Displays the remote storage system port information.

• IP Address: Displays the IP address.
• TCP Port Number: Displays the TCP port number.
• iSCSI Target Name: Displays the iSCSI target name.
• Authentication Method: Displays the method for authentication.
• Mutual CHAP: Displays the mutual CHAP setting.
• CHAP User Name: Displays the CHAP user name, if specified.

Used

Displays whether volume is mapped as an external volume.

• Yes: Used as an external path.
• No: Not used as an external path.

Notes:

* Appears when you click More Actions.