Server Startup And Power Supply Control Notes; Jumbo Frame Setting Notes; Notes On Configuring An Iscsi Boot Environment - Fujitsu eternus dx Configuration Manual

Chapter 3 Notes
3.2

Server Startup and Power Supply Control Notes

3.2 Server Startup and Power Supply Control Notes
Before turning the server on, check that the ETERNUS DX/AF storage systems and LAN 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/AF storage systems.
Also, when the ETERNUS DX/AF power supply is being controlled by a connected server, make sure that the
ETERNUS DX/AF does not shut down before the connected servers. Similarly, the LAN 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/AF storage systems,
and already saved data may also be affected.
3.3

Jumbo Frame Setting Notes

To enable Jumbo Frame, all the connected devices must support Jumbo Frame. Set the appropriate values
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for various parameters (such as the MTU size) on each connected device.
For details about how to set Jumbo Frame for a LAN card and LAN switch, refer to the OS and each device's
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manuals. Rebooting the server may be required to apply the new settings.
The MTU size that is supported by the ETERNUS DX/AF is 9,000 bytes.
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3.4

Notes on Configuring an iSCSI Boot Environment

When configuring an iSCSI Boot environment, use the path of the assigned CM (Primary) for the LUN where
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the OS is to be installed as the path for the configuration (or OS installation).
During operation, use the path of the assigned CM (Primary) for the LUN where the OS is installed as the
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boot path.
Use the path of the unassigned CM (Secondary) as the standby path that is only used for maintaining re-
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dundancy when a failure occurs.
After the failure is recovered, perform a boot again using the path of the assigned CM (Primary).
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FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide -Server Connection- (iSCSI) for Oracle Solaris
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