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Displaying system information and interfaces of a Management Unit

You obtain the system information and interfaces of a Management Unit using the associated Information menu. Options provided in this menu:

Displaying system information of the MU

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Select Hardware -> Units[ -> <se server> (SE<model>)] -> <unit> (MU) -> Information, System tab:

In the case of System disks, Normal means that the mirror disk is decoupled. In maintenance means that the mirror is active for the system disks, and the data is being synchronized (in preparation for a software update).

Displaying and changing IP interfaces of the MU

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Select Hardware -> Units[ -> <se server> (SE<model>)] -> <unit> (MU) -> Information, IP interfaces tab:

Changing the packet length in the case of LOCLAN and PCI interfaces

In the IP interfaces tab of the Management Unit you can change the packet length. In the case of a PCI interface, normal operation is required for this purpose, i.e. the Status UP is displayed.

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Click the Change icon in the row with the required IP interface, and in the subsequent dialog box select the required packet length.

Displaying FC interfaces of the MU

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Select Hardware -> Units[ -> <se server> (SE<model>)] -> <unit> (MU) -> Information, FC interfaces tab:

The FC interfaces tab displays three groups with information on the FC interfaces:

  • FC interfaces provides information for each FC interface of the MU on the host controller used, the plug-in position (slot and port), the Type (firmware and revision status), the local WWPN (World Wide Port Number) of the FC interface, and the connection channel to the Server Unit /390 (Channel Path ID - CHPID). The hardware status of the FC interface is also displayed (UP/DOWN).

  • FC targets contains the WWPNs of the FC interfaces on the accessible FC controllers (targets). The WWPN identifies a port unambiguously worldwide.

  • FC paths contains information on the connections between the units and the accessible FC controllers. Address information on the end points of the various connections is displayed.

 

Displaying multipath disks of the MU

For the FC disks the Multipath disks tab displays the status of the paths from the unit to the storage system and the end points of the paths, i.e. the interfaces on the storage system and on the unit.

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Select Hardware -> Units[ -> <se server> (SE<model>)] -> <unit> (MU) -> Information, Multipath disks tab:

Displaying configuration disks of the MU

The Configuration disks tab in the Information menu displays the status of the internal and, if existing, the external configuration disks of the Management Unit.

Purpose and operation of configuration disks are described in section "External configuration disks".

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Select Hardware -> Units[ -> <se server> (SE<model>)] -> <unit> (MU) -> Information, Configuration disks tab:

The table lists the configuration disks with the current status. The internal configuration disk is listed before any possibly existing external configuration disks. The Description column can contain additional information on the use of the configuration disk.