HP EVA3000 User Manual Page 66

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Reporting group
numbers
The reporting group number (RGN) range is 0000 through 4099, decimal.
0000 is reserved for enclosures tha t are not part of any reporting group.
0001 through 00
15 are RGNs reserved for use by the EMU.
0016 through 409 5 are valid RGNs.
4096 through 4099 are invalid RGNs.
The reporting group numbers are displayed on the EMU alphanumeric display as a pair of two-digit
displays. These two displays are identied as rH and rL.
Valid rH disp
lays are in the range 00 through 40, and represent the high-order (most signicant)
two digits of
the RGN.
Valid rL displays are in the range 00 through 99, and represent the low-order (least signicant)
two digits of the RGN.
To view a reporting group number:
1. Press and re
lease the bottom push button until the alphanumeric display is rG.
2. To display the t wo most signicant digits of the Reporting Group Number, press and hold the
top push button unit the display is rH.
3. Press and r
elease the top push button to display the rst two digits of the RGN.
4. Press and release the top push button until the alphanumeri c display is rH.
5. Press and hold the top push button until the alphanumeric display is rL.
6. Press and
release the top push but ton to d isplay the last two digits of the Reporting Group Number.
7. To exit the display, press and release the bottom push button until the alphanumeric d isplay is rG .
Fibre Channel loop switches
The Fibre Channel loop switch acts as a central point of interconnection and establishes a fault-tolerant
physical loop topology between the controllers and the disk enclosures.
66
Enterprise Virtual Array hardware components
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