Firmware update troubleshooting

When updating firmware to a new major release, failures can occur due to changing partition size requirements.

For example, messages like the following indicate a failed update to a version between 14.5.0 and 14.5.7 or to 15.x:

Messages
text
[13:09:25] Error 42: The firmware cannot be updated
Aug  4 13:09:23 ALOHA1 user.info  admin[2110]: ALOHA1# update-boot-image '-'
Aug  4 13:09:24 ALOHA1 user.notice  admin[2110]: Corrupted image. 
Aug  4 13:09:24 ALOHA1 user.warn  admin[2110]: cat: write error: No space left on device 

Messages
text
[13:09:25] Error 42: The firmware cannot be updated
Aug  4 13:09:23 ALOHA1 user.info  admin[2110]: ALOHA1# update-boot-image '-'
Aug  4 13:09:24 ALOHA1 user.notice  admin[2110]: Corrupted image. 
Aug  4 13:09:24 ALOHA1 user.warn  admin[2110]: cat: write error: No space left on device 

A message like the following indicates a failed update to a version between 14.5.8 and 14.5.11:

Message
text
413 Request Entity Too Large when trying to update

Message
text
413 Request Entity Too Large when trying to update

When a size-related failure occurs:

1. Update to the latest 13.5.x version (no lower than 13.5.16).

2. Continue with your originally planned update according to the instructions in Firmware Updates.