Cyclades AlterPath OnBoard Informazioni Techniche Pagina 453

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Appendix B: Advanced Boot and Backup Configuration Information 413
Changing the Boot Image
T To Boot From an Alternate Image in U-Boot
Monitor Mode
1. Go to U-Boot monitor mode.
See "To Boot in U-Boot Monitor Mode" if needed.
2.
Set the current image environment variable to the number of the
image you want to boot
.
For example, to boot from image2 enter the number 2, as shown in the
following screen example.
3. Enter the boot command.
T To Boot in Single User Mode From U-Boot
Monitor Mode
1. See “To Boot in U-Boot Monitor Mode” on page 412 if needed.
2.
Boot by entering hw_boot followed by single, as shown in the
following screen example.
3. The single-user # prompt appears, as shown in the following screen
example.
=> setenv currentimage N
=> setenv currentimage 2
=> hw_boot
=> hw_boot single
[root@(none) /]#
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