I have spare sg210 that was on v17 firmware (cant remember which one) I was using it as a backup in case any of my upgrades to v18 failed.
Now I am moving everything to v19. I wanted to use this machine as the backup on v18.5.3 so I booted it up and it said it needed to do a mandatory firmware update (it didnt tell me what to but I had no other options)
That ran and did at least one reboot but after an hour of waiting it just said Sophos protection on the front lcd panel and I couldnt connect to it so I tried a reboot. That didnt make any difference.
So i've tried to install v18.5.3 via ISO on usb but it comes up with this:
Formatting Configuration Partitiion .Warn: nvram init failed during partition value read.
ERROR: failed to create default /conf
Error configuring partitions
Aborting
tail: can't open '/tmp/xgs-fw-install.log':No such file or directory
tail: no files
press y to reboot
If I remove the usb boot then it goes to grub rescue>
Is there a command to try and get it to boot to the previous firmware ?
edit:
Just tried a boot without the usb key in it and its gone to grub rescue> again but this time the
error is
error: file '/grub/i386-pc/normal,mod' not found.
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