HP XP Racks - Manual (Page 107)

Description Item
Displays whether ALUA can be set as the Path Mode in the local storage system.
• Enable: ALUA Mode is used.
Disable: ALUA Mode is not used.
ALUA Permitted
1
Displays I/O load balance system for external storage system. Load Balance Mode
• Normal Round-robin: Performs load balance in round-robin system.
•
Extended Round-robin: Load balance system is automatically switched for
sequential I/O and random I/O.
• Disable: Performs I/O operation with a single path, without load balance.
Write data from the host to the external system is propagated synchronously
(Disable) or asynchronously (Enable). Cache Mode
When Online Migration is specified as the Attribute, the cache modes are
displayed.
•
Through: Transfers write and read requests from the host to the external
storage system. The local system’s cache is not used.
•
Write Sync: Reflects write data from the host to the external storage system
synchronously. If read or write is performed while data is being written to
the external storage system, the read or write operation waits until the ongoing
write operation is completed.
While cache mode operations are in progress, status is reported for cache mode
changes.
•
(Changing): Transition to the displayed cache mode is in progress.
• (Error): Transition to the displayed cache mode has failed and maintenance
work is required.
Write operation to cache memory is limited (Enable) or continued (Disable) when
the write operation to the external volume cannot be performed. Inflow Control
Displays the attribute of the attribute parity group. Attribute
•
Online Migration: Parity group with the Online Migration attribute
• A blank displays if no attribute is set.
Displays the Add External Volumes window. Add External Volumes
Displays the Edit External Volumes window. Edit External Volumes
View external system LUN information for the external volume, as well as external
and mapping path information in the Displays the View External LUN Properties
window. View External LUN Properties
When clicked, launches the Delete External Volumes window. Delete External Volumes
2
When clicked, launches the Disconnect External Volumes window. Disconnect External Volumes
2
When clicked, launches the Reconnect External Volumes window. Reconnect External Volumes
2
When clicked, launches the Assign MP Blade window. Assign MP Blade
2
When clicked, launches the Edit Policies window. Edit Policies
2
When clicked, allows you to save table information to a file. Export
2
Notes:
1. Does not appear by default. To display the item, change the setting in the Column Settings window of the table
option. See the XP7 Remote Web Console User Guide for the details of the window.
2. Appears when you click More Actions.
Selected external path group window 107