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Chapter 10 Component Management
10.1 Component Status
ETERNUS Web GUI User’s Guide
Copyright 2013 FUJITSU LIMITED P2X0-1090-10ENZ0
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■ For ETERNUS DX8700 S2 when the I/O offloading is enabled
The following items are displayed in the Main area:
• CM
The CM number and the CPU number are displayed.
• Busy Ratio
The CPU utilization rate is displayed.
For the ETERNUS DX80 S2/DX 90 S2, the ROE busy ratio is included in this value.
• ROE Busy Ratio
The ROE utilization rate of the CPU (*1) is displayed.
*1: RAID Offload Engine (ROE) performs encryption or parity creation processes with RAID5 and RAID6. The "ROE
Busy Ratio" indicates the CPU utilization rate for ROE. For the ETERNUS DX8700 S2, "ROE#0" and "ROE#1" are
displayed only when I/O offloading is enabled. To check the I/O offloading setting (enable or disable), refer to
the [System Settings] screen. Refer to "11.1.12 System Settings" (page 731)
for details.
- ROE#0
Busy Ratio of ROE#0 is displayed.
REC#0 performs encryption processes, parity creation processes for RAID5 or RAID6, as well as some I/O
processes.
This item is displayed only for the ETERNUS DX8700 S2 when I/O offloading is enabled.
- ROE#1
Busy Ratio of ROE#1 is displayed.
REC#1 performs encryption processes, parity creation processes for RAID5 or RAID6, as well as some I/O
processes.
This item is displayed only for the ETERNUS DX8700 S2 when I/O offloading is enabled.
• Copy Remainder Count
The remaining capacity of the copy session is displayed.
"Copy Remainder Count" is displayed for each controlling CM-CPU in the RAID group to which the copy
source volume belongs.