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In this procedure, both the main and backup image lists have feature and patch images. If an image
list does not have feature or patch images, the system starts up with the boot and system images
after they pass verification.
If both the main and backup boot images are nonexistent or invalid, access the BootWare menu
during the system startup to upgrade software.
After accessing the emergency shell, connect to the console port and load a system image so you
can access the Comware system. For more information about using the emergency shell, see "
Figure 28 Comware image loading procedure
System startup process
Upon power-on, the BootWare image runs to initialize hardware, and then the startup software
images run to start up the entire system, as shown in
Main boot image
exists and valid?
Start
Backup boot
image exists and
valid?
No
Startup fails. You
must load the image
from the BootWare
menu
Main system
image exists and
valid?
Backup system
image exists and
valid?
No
Yes
Yes
All main feature
images exist and
valid?
All backup
feature images
exist and valid?
No
All main patch
images exist and
valid?
All backup patch
images exist and
valid?
No
Ye
s
Yes
Yes
Yes
Yes
Yes
Starts up with the
main images
Starts up with the
backup images
Main boot image
exists and valid?
No
Yes
Starts up with
backup boot
image and enters
emergency shell
No
No
No
No
Backup boot
image exists and
valid?
Yes
No
Starts up with
main boot image
and enters
emergency shell
Summary of Contents for FlexNetwork 10500 Series
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