Hitachi Dynamic Link Manager Software GUI Help

5.2.2 Tree frame

You use the tree frame to specify the range of path information to be displayed in the view frame. Figure 5-2 Tree frame (when displaying the Path List view) shows the tree frame.

Figure 5-2 Tree frame (when displaying the Path List view)

The following describes the window components in the tree frame:

Host

The tree frame displays an icon that indicates the host and the character string host.

In the tree frame of the Configuration view, an unselectable host icon is always displayed.

In the tree frame of the Path List view, selectable host icons are always displayed. When you select a host, the view frame of the Path List view displays the path information of all paths connected to the selected host.

Table 5-1 Host icons in the tree frame of the Path Management window explains the host icons.

Table 5-1 Host icons in the tree frame of the Path Management window

Icon Icon name Explanation

Host (selectable status) Indicates a host that can be selected.

Host (unselectable status) Indicates a host that cannot be selected.

Storage subsystems

The tree frame displays icons that indicate storage subsystems and displays the storage-subsystem names. A storage subsystem name consists of the following three elements, separated by periods:

Vendor ID: the name of the storage subsystem vendor

Model ID: indicates the model name of the storage subsystem

Serial number: the serial number of the storage subsystem

The displayed model ID is the same model ID that appears when you specify the -path -item parameter in the view operation of the HDLM command to display the non-summarized path information. For details on the model IDs that can be displayed by using the view operation of the HDLM command, see the HDLM manual.

When you select a storage subsystem, the view frame displays all of the paths connected to all of the LUs that can be accessed from that selected storage subsystem.

When the Path Management window starts, a plus sign (+) is displayed on the left side of the icons that indicate storage subsystems. When you click a plus sign (+) and switch to a minus sign (-), the tree frame displays the LUs that can be accessed from the storage subsystem. The LUs are displayed in a hierarchy under the selected storage subsystem.

If you select an LU and then switch to a plus sign (+) on the left side of the icon that indicates the storage subsystem, the storage subsystems connected to the selected LU become selected. Table 5-2 Storage subsystem icons in the tree frame of the Path Management window explains the icons that indicate storage subsystems.

Table 5-2 Storage subsystem icons in the tree frame of the Path Management window

Icon Icon name Explanation

Storage subsystem Indicates a storage subsystem in which all of the paths connected to LUs are operating normally.
This icon is displayed only when the following icon is displayed in the hierarchy under the storage subsystem: LU (all paths are online).

Storage subsystem (warning) Indicates a storage subsystem connected to an LU by a path where an error occurred.
This icon is displayed only when more than one LU (some paths are offline) icon is displayed, and no LU (no paths are online) is displayed in the hierarchy under the storage subsystem.

Storage subsystem (LU path error) Indicates a storage subsystem that contains an LU in which all paths are not working due to errors.
This icon is displayed only when more than one LU (no paths are online) icon is displayed in the hierarchy under the storage subsystem.

LUs

The tree frame displays icons that indicate LUs and displays the LU numbers. The tree frame displays only those LUs that can be accessed from the host.

When you select an LU, the view frame displays all of the paths connected to the selected LU.

Table 5-3 LU icons in the tree frame of the Path Management window explains the icons that indicate LUs.

Table 5-3 LU icons in the tree frame of the Path Management window

Icon Icon name Explanation

LU (all paths are online) Indicates an LU in which all paths are operating normally.
Indicates an LU all of whose paths are in the Online status.

LU (some paths are offline) Indicates an LU in which some paths are operating normally.
Indicates an LU that has a path in the Online status and also has a path in the Offline(C) or Offline(E) status.

LU (no paths are online) Indicates an LU in which all paths are not working.
Indicates an LU that does not have a path in the Online status.

Icon	Icon name	Explanation
	Host (selectable status)	Indicates a host that can be selected.
	Host (unselectable status)	Indicates a host that cannot be selected.

Icon	Icon name	Explanation
	Storage subsystem	Indicates a storage subsystem in which all of the paths connected to LUs are operating normally. This icon is displayed only when the following icon is displayed in the hierarchy under the storage subsystem: LU (all paths are online).
	Storage subsystem (warning)	Indicates a storage subsystem connected to an LU by a path where an error occurred. This icon is displayed only when more than one LU (some paths are offline) icon is displayed, and no LU (no paths are online) is displayed in the hierarchy under the storage subsystem.
	Storage subsystem (LU path error)	Indicates a storage subsystem that contains an LU in which all paths are not working due to errors. This icon is displayed only when more than one LU (no paths are online) icon is displayed in the hierarchy under the storage subsystem.

Icon	Icon name	Explanation
	LU (all paths are online)	Indicates an LU in which all paths are operating normally. Indicates an LU all of whose paths are in the Online status.
	LU (some paths are offline)	Indicates an LU in which some paths are operating normally. Indicates an LU that has a path in the Online status and also has a path in the Offline(C) or Offline(E) status.
	LU (no paths are online)	Indicates an LU in which all paths are not working. Indicates an LU that does not have a path in the Online status.

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