Closing that report as grub was not able ( by design) to do the
requested job.
@idiens
Please report your own issue as its way more recent and completely unrelated to
this one.
** Description changed:
I have a raid 1 array (disk a) and another disk that doesn't have raid
enabled (disk b).
Grub failed to install when attempting to replace 16.04 with 18.04
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https://bugs.launchpad.net/bugs/990642
Title:
Installing 12.04 caused grub-installer to fail, "Fatal error unable to
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: grub-installer (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/990642
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/990642
Title:
Installing 12.04 caused grub-installer to fail, Fatal error unable to
install grub
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