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Chapter 3 Notes
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3.2 Fibre Channel Card Notes
ETERNUS DX Disk storage systems Server Connection Guide (Fibre Channel) for Linux
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P3AM-3842-05ENZ0
3.2
Fibre Channel Card Notes
When a Fibre Channel card is installed in the server after installation of the OS, it should be auto-
matically recognized the next time the OS is restarted. Proceed as follows:
matically recognized the next time the OS is restarted. Proceed as follows:
•
Red Hat Enterprise Linux
The kudzu starts automatically during the system reboot. Select "Ignore".
The kudzu starts automatically during the system reboot. Select "Ignore".
•
SUSE Linux Enterprise Server
The "New hardware detection" window appears during the system reboot. Select "No".
The "New hardware detection" window appears during the system reboot. Select "No".
3.3
Fibre Channel Switch Notes
•
When using a Fibre Channel switch (ETERNUS SN200 series, Brocade DCX series) between
the server and ETERNUS DX Disk storage systems, it is necessary to prepare and set the
Fibre Channel switch in advance. When using a Fibre Channel switch (ETERNUS SN200
series, Brocade DCX series), be sure to read the "ETERNUS DX Disk storage systems
Server Connection Guide (Fibre Channel) Fibre Channel Switch Settings".
the server and ETERNUS DX Disk storage systems, it is necessary to prepare and set the
Fibre Channel switch in advance. When using a Fibre Channel switch (ETERNUS SN200
series, Brocade DCX series), be sure to read the "ETERNUS DX Disk storage systems
Server Connection Guide (Fibre Channel) Fibre Channel Switch Settings".
•
When 4Gbit/s QLogic Fibre Channel cards are connected to the ETERNUS SN200 series or
Brocade DCX series via Fibre Channel switch, and the SFP produces an incorrect linkup,
change the Fibre Channel card BIOS settings. Contact your maintenance engineer for SFP
details.
Brocade DCX series via Fibre Channel switch, and the SFP produces an incorrect linkup,
change the Fibre Channel card BIOS settings. Contact your maintenance engineer for SFP
details.
3.4
Server Startup and Power Supply Control Notes
Before turning the server on, check that the ETERNUS DX Disk storage systems and Fibre
Channel switches are all "Ready". If the server is turned on and they are not "Ready", the server
will not be able to recognize the ETERNUS DX Disk storage systems.
Also, when the ETERNUS DX Disk storage system power supply is being controlled by a con-
nected server, make sure that the ETERNUS DX Disk storage system does not shut down
before the connected servers. Similarly, the Fibre Channel switches must also be turned off after
the connected servers have been shut down.
If turned off, data writes from the running server cannot be saved to the ETERNUS DX Disk stor-
age systems, and already saved data may also be affected.
Channel switches are all "Ready". If the server is turned on and they are not "Ready", the server
will not be able to recognize the ETERNUS DX Disk storage systems.
Also, when the ETERNUS DX Disk storage system power supply is being controlled by a con-
nected server, make sure that the ETERNUS DX Disk storage system does not shut down
before the connected servers. Similarly, the Fibre Channel switches must also be turned off after
the connected servers have been shut down.
If turned off, data writes from the running server cannot be saved to the ETERNUS DX Disk stor-
age systems, and already saved data may also be affected.