Date: Sat, 10 Sep 2011 22:42:39 +0200 From: Johan Hendriks <joh.hendriks@gmail.com> To: Fbsd8 <fbsd8@a1poweruser.com> Cc: freebsd-questions@freebsd.org Subject: Re: returning to 8.2 from 9.0 Message-ID: <4E6BCBBF.7000802@gmail.com> In-Reply-To: <4E6BC5B2.9020902@a1poweruser.com> References: <4E6B8EB0.8070303@a1poweruser.com> <4E6BB629.9010205@gmail.com> <4E6BC5B2.9020902@a1poweruser.com>
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Fbsd8 schreef: > Johan Hendriks wrote: >> Fbsd8 schreef: >>> Have test pc. Been running 8.2 just fine. Installed 9.0 from cd and >>> after playing around tried to reinstall 8.2. Got error about GTP >>> table while trying to setup the HD. Used 8.0 livecd to >>> "dd if=/del/zero of=/dev/ad0 count=5 to wipe the start of the HD clean. >>> Now 8.2 install issues this msg >>> GEOM: ad0: the primary GPT table is corrupt or invalid. >>> >>> How do I fix the HD so 8.2 will install? >>> _______________________________________________ >>> freebsd-questions@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >>> To unsubscribe, send any mail to >>> "freebsd-questions-unsubscribe@freebsd.org" >> maybe this little script helps you. >> http://wiki.freenas.org/faq:0129 >> >> It helped me in several situations. >> >> If that does not do the job, you could try dban disknuke that will >> wipe the disk completely >> >> regards, >> Johan Hendriks >> >> > > > diskinfo da0 > > says Device not configured > > I all ready did "dd if=/dev/zero of=/dev/da0 count=2 to wipe the > front of the disk. i now see two different things? dd if=/del/zero of=/dev/ad0 count=5 dd if=/dev/zero of=/dev/da0 count=2 first your disk is adx and the second time it is dax Make sure you use the right disk. There is also a part add the end of the disk that needs to be wiped, not only the start of the disk. regards, Johan Hendriks
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