gpart backup, restore and bootcode
wblock at wonkity.com
Tue May 27 13:52:00 UTC 2014
On Tue, 27 May 2014, Janos Dohanics wrote:
> Hello list members,
> Do the commands gpart backup and gpart restore also back up and restore
> the bootcode? The gpart(8) man page says:
> "restore Restore the partition table from a backup previously created
> by the backup action and read from standard input. Only the
> par- tition table is restored. This action does not affect
> the con- tent of partitions. After restoring the partition
> table and writing bootcode if needed, user data must be
> restored from backup."
> I read this section as "yes" - is this correct?
To my knowledge, no. The bootcode is separate from the partition data,
and not included with gpart backup.
> I assume "yes" since my bootcode is embedded having been added using
> "gpart bootcode -b ..." and thus "embed-ded in the partitioning
> scheme's metadata".
> Is there a way to show/verify if bootcode is written to the disk?
Hmm. 'file -s /dev/ada0', although I think there is no way to tell when
that bootcode was updated.
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