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[SOLVED]grub2-mkconfig:Couldn't find physical volume`(null)'
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fbcyborg
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PostPosted: Sun Oct 18, 2015 8:22 am    Post subject: [SOLVED]grub2-mkconfig:Couldn't find physical volume`(null)' Reply with quote

Ciao a tutti,

sto tentando di aggiornare il kernel ma ottengo il seguente warning:

Code:
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.2.3-gentoo
/usr/sbin/grub2-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image..
Found linux image: /boot/vmlinuz-3.18.1-gentoo
done


Il risultato è che il grub non viene aggiornato (anche se nel file grub.cfg qualcosa viene scritto) e non posso bootare con il nuovo kernel poiché non compare in elenco.

La partizione di boot è in raid 1 su due dischi.
Qualcuno ha idea di come risolvere?


Grazie
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Last edited by fbcyborg on Sun May 15, 2016 6:21 pm; edited 1 time in total
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fbcyborg
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PostPosted: Sun May 15, 2016 6:00 pm    Post subject: Reply with quote

Ciao,

possibile non esista una soluzione a questo problema?
Non posso più aggiornare il kernel da ottobre!
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fedeliallalinea
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PostPosted: Sun May 15, 2016 6:13 pm    Post subject: Reply with quote

Purtroppo non ho molta esperienza con raid ma questo potrebbe fare al caso tuo
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fbcyborg
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PostPosted: Sun May 15, 2016 6:18 pm    Post subject: Reply with quote

Grande,

grazie mille. Ora provo un reboot.

Code:

# grub2-install --recheck /dev/md0
Installing for i386-pc platform.
grub2-install: warning: File system `ext2' doesn't support embedding.
grub2-install: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
grub2-install: error: will not proceed with blocklists.


Qualche errore/warning, però ora i kernel sono stati processati senza errori.
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