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Chapter 5 Configuration Menu
> 5.4 Host Interface Management
ETERNUS DX400/DX8000 series ETERNUSmgr User Guide Settings/Maintenance
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P2X0-0760-02ENZ0
• Change RA Mode
- "FC-Initiator" for RA mode is not supported and cannot be selected.
- When changing the CA Port Mode of a live CA Port from "CA" to
"RA", or "RFCF-RA", it is necessary to stop the host access
connected to the CA Port to be changed. To change the mode of a
newly added CA Port, it is not necessary to stop the host access.
- When changing the RA Port Mode of a live RA Port from "RA" to
"CA", or "RFCF-RA", it is necessary to check that there is no session
in the RA Port to be changed.
- When changing the RFCF-RA Port Mode of a live RFCF-RA Port
from "RFCF-RA" to "CA", or "RA", it is necessary to check that the
Remote File Copy Facility-Expand (RFCF-EX) is not operating in the
port to be changed. If RFCF-EX is in operation, changing the RA
mode may result in errors, like performance degradation.
• Copy RA Mode
- RA mode cannot be copied between FC with a maximum transfer
speed of 8Gbit/s (FC8G) and FC with a maximum transfer speed of
4Gbit/s (FC4G). Select the same type of FC for the copy source and
copy destination.
- Before copying a RA Mode to a live CA port, RA port or RFCF-RA
port, always check the current (old) RA Mode.
When the copy destination RA mode is "CA", stop all host access to
the CA Port.
When the copy destination RA mode is "RA", che c k t h a t t h e R A P o r t
has no sessions. When the copy destination R A m o d e i s " R F C F -
RA", check that the Remote File C opy Facility-Expand (RFCF-EX ) is
not operating in the RFCF-RA Port.
- When copying the RA mode to the CA Port of a n e w l y a d d e d C A , i t i s
not necessary to stop host access.
• RFCF-RA Mode
- FC with a maximum transfer speed of 8Gbit/s (FC8G) cannot be
changed from "CA" or "RA" to "RFCF-RA".
- For the ETERNUS DX8400/DX8700, the RA mode can be changed
from "CA" or "RA" to "RFCF-RA".
For the ETERNUS DX410/DX440 and the ETERNUS DX8100,
"RFCF-RA" is not displayed as the RA mode.
- A 2-port or 4-port FC-CA can be used for RFCF-EX.
For ETERNUS DX8400, all the ports for FC-CA can be changed to
RFCF-RA. However, for the ETERNUS DX8700, only Port#0 and
Port#1 can be used as RFCF-RA. Port#2 and Port#3 cannot be
used.
- RFCF-EX uses the ports in pairs.
If the port mode is changed from "CA", or "RA" to "RFCF-RA", the
pair port mode of the selected port is automatically changed to
"RFCF-RA". "Pair port" indicates Port#0 and Port#1, or Port#2 and
Port#3. For example, if Port#0 or Port#1 is changed to "RFCF-RA"
mode, both Port#0 and Port#1 are changed to "RFCF-RA" mode.