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Hardware Maintenance Manual: xSeries 380
the Legacy I/O board) when Linux or Microsoft operating systems are installed.
These boot records must be available in order to boot to these operating systems.
Boot records may be lost upon replacement of the Legacy I/O board, replacement of
the battery or replacement of the T-Docking board.
Linux boot records can be built using the Boot Manager "Add a boot" option.
Microsoft operating systems have an EFI based utility (nvrboot.efi) that saves this
boot record to the hard drive.
Important:
Microsoft boot records should be saved as soon as the operating system is
installed. Microsoft boot records cannot be rebuilt with Boot Manager’s
"Add a boot" option.
Linux
To rebuild a boot record under Linux when the boot record is deleted or lost:
1.
Boot the server to the boot option maintenance menu.
2.
Select "Add a boot".
3.
Select the system partition "No Volume Label
(VenHW(unknown)Device=80/HD(Part1,....)"
4.
Select file menu "eli.efi"
5.
Enter new description type "Linux"
6.
Enter boot option data type "N"
7.
Press Enter.
8.
From the boot options maintenance menu, select "Save Settings to NVRAM".
9.
Exit the boot options menu.
10. Exit the main menu.
Microsoft
The following sections describe how to save and rebuild boot records under a
Microsoft operating system.
Save boot record:
To save (export) a boot record under Microsoft:
1.
Boot to the EFI shell.
2.
Select "fsx:" where x=(Device:80)/HD
3.
CD MSUtil
4.
Run "nvrboot"
5.
Run "x" (Export)
6.
Select boot option that is used for "Microsoft Windows Whistler Advanced
Server"
7.
For Export file path, enter fn.ft. This will write the file to fsx:\.
The boot record is saved in the root directory. To save the boot record to a LS120
diskette, copy nvrboot.efi to the floppy drive and run "nvrboot" from the floppy.
Restore boot record:
To restore (import) a boot record under Microsoft:
1.
Boot to the EFI shell.
2.
Select "fsx:" where x=(Device:80)/HD
3.
CD MSUtil
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