Date: Sat, 13 Jun 2009 19:55:59 -0500 From: "James R. Van Artsdalen" <james-freebsd-current@jrv.org> Cc: Alexander Best <alexbestms@math.uni-muenster.de>, FreeBSD Current <freebsd-current@freebsd.org>, Marcel Moolenaar <xcllnt@mac.com> Subject: Re: `gpart show` and secondary GPT header Message-ID: <4A344A9F.5020708@jrv.org> In-Reply-To: <A7C988A9-DCFD-422B-B39D-B912FECEFD0D@mac.com> References: <permail-200906131853081e86ffa80000190b-a_best01@message-id.uni-muenster.de> <A7C988A9-DCFD-422B-B39D-B912FECEFD0D@mac.com>
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Marcel Moolenaar wrote: > In any case: the primary and secondary GPT headers > and tables are in fact on the disk. They're there, > trust me :-) Unless you're using a Silicon Image 3124 controller :-( FYI - the option ROM on this card appears to clobber the secondary GPT table. Moving disks to a 3124 results in this: Jun 13 06:31:42 bigback kernel: GEOM: ad4: the secondary GPT table is corrupt or invalid. Jun 13 06:31:42 bigback kernel: GEOM: ad4: using the primary only -- recovery suggested. Jun 13 06:31:42 bigback kernel: GEOM: ad12: the secondary GPT table is corrupt or invalid. Jun 13 06:31:42 bigback kernel: GEOM: ad12: using the primary only -- recovery suggested. Not our fault - just thought I'd mention it in case it comes up again, or if someone searches for that error message. PS. The man page might make a mention of what "recovery" is if there's some way other than dd(1) to do it.
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