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Chapter 1 Outline
1.5 Screen Operations
•
Firmware Version
The current controller firmware version is displayed.
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•
Cache Mode
The current status and the factor of the cache are displayed. The normal status is "Write Back
Mode".
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-
•
Connecting Module
The Controller Module (CM) to which the GUI is connected is displayed.
•
Status
The status of the ETERNUS DX Disk storage system is displayed.
-
-
-
-
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■
RAID Groups
The usage of RAID groups is displayed.
•
Pie chart
The pie chart indicates the total used capacity and the total free capacity in the RAID groups.
Blue: Total used capacity
Gray: Total free capacity
VxxLyy-zzzz (Vxx: Version, Lyy: Level, zzzz: Release number)
Write Back Mode
When a Write request is issued from the host, "Write Complete" is displayed after writing to
the cache area is complete.
Write Through Mode
When a Write request is issued from the host, "Write Complete" is displayed after writing to
the cache area and the drives is complete.
In the Write Through Mode, "Write Through (factors)" is displayed. When there are
multiple factors, all the factors are displayed.
The factors of the Write Through Mode are described below:
•
Write Through (Pinned Data)
A large amount of pinned data (*1) occurred in the ETERNUS DX Disk storage system.
•
Write Through (Battery)
The battery charge level is low.
•
Write Through (Maintenance)
The following maintenance operation is currently being used:
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Switch Controller Firmware
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Change Controlling CM
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Add Controller Module
*1:
"Pinned data" is the data left in the cache memory due to unsuccessful write-back to the
volume from the cache memory.
Normal
Maintenance
Warning
Error
Not Ready (*)
*: Not Ready number is displayed.
ETERNUS Web GUI User's Guide
Copyright 2011 FUJITSU LIMITED
18
P2X0-1090-02ENZ0
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