There are several symptoms that might be SSD failure/issue.
Please refer to these articles for troubleshooting.
- The ONIE GRUB menu does not properly and the console shows the prompt “grub rescue>" as below diagram.
- Or the console displayed “error: hd1 cannot get C/H/S values" as below diagram and couldn't see the GRUB menu.
Please try to do the ONIE recovery.
[ONIE] How to recover ONIE on Edgecore x86 platform switch via USB?
AS7712-32X ONIE v2020_08_00_02 (latest)
If the above resolutions could not resolve the problem, please submit the ticket to Edgecore support.
- If the switch is always boot into the EFI shell.
- Or the BIOS boot order is changed unexpectedly.
Please boot into the BIOS menu and check the "Boot Option". The boot option of SSD should be changed to the first.
If all the above resolutions could not resolve the problem, please submit the ticket to Edgecore support.
- BIOS does not detect SSD and it does not see the SSD in the boot option.
Normally, the SSD can be detected and it will show in the boot option.
Please power cycle the switch first and check if it can see the SSD in the boot option or not.