fedora 20 to 21

[jd1008]

On 01/31/2015 08:55 PM, Sam Varshavchik wrote:
> Patrick Dupre writes:
>
>> Hello,
>>
>> Trying to upgrade to fedora 21. I did:
>> mount /dev/sr0 /mnt/cdrom
>> fedup --device /mnt/cdrom --product=nonproduct
>>
>> then
>> 'System Upgrade sda (fedup)
>>
>> But it failed and reboot:
>> I just had time to see something like
>> Failed to mount ....
>>
>> Is it because it did not mount /dev/sr0 ?
>
> Maybe, who knows.
>
> According to fedup's man page, --device takes either a device or a 
> mountpoint. Try using --device /dev/sr0, without mounting the cdrom.
What's
"System Upgrade sda" ????
Is that on the grub boot menu after you do fedup??

I googled it and found nothing like System Upgrade sda