I've been toying with Vinum extensively these past few weeks, on 4.8,
and I've yet to come across a way to effectively and *completely* clear
a Vinum configuration. After creating a configuration, Vinum stores the
configuration on the drive or drives and resetconfig does not clear
that written config. Case in point, after reinstalling FreeBSD on a
primary drive, Vinum started up and read the previous installs
configuration from the second drive which had not been formatted. On
another install, I tried zeroing out the 265 Vinum sectors found 16
sectors in on the primary drive, but was greeting with a "missing
operating system" on reboot.
Two questions:
1) why doesn't resetnconfig clear all the configurations, including the
ones written to Vinum drives?
2) why doesn't dd if=/dev/zero of=/dev/da0 seek=16 count=265 work?
What's in those 265 sectors that I can't touch?
Regards,
-aarong
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