Date: Thu, 19 Sep 2013 08:12:34 -0700 From: Andy Moran <amoran@yahoo.com> To: Volodymyr Kostyrko <c.kworr@gmail.com> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: Rescuing a GPT ZFS boot setup Message-ID: <297B5E1D-40E0-4745-80D3-26EF38A931EC@yahoo.com> In-Reply-To: <523B02F6.4070708@gmail.com> References: <1379572619.72405.YahooMailNeo@web121302.mail.ne1.yahoo.com> <523AACF8.8080404@gmail.com> <1379598213.765.YahooMailNeo@web121304.mail.ne1.yahoo.com> <523B02F6.4070708@gmail.com>
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On Sep 19, 2013, at 6:58 AM, Volodymyr Kostyrko <c.kworr@gmail.com> = wrote: > 19.09.2013 16:43, Andrew Moran wrote: >> Alas, that did not work. But it does look to be BIOS related. >>=20 >> I think this new system has a UEFI bios. >>=20 >> I just read from https://wiki.freebsd.org/UEFI: >> * Partitions not seen. When using GPT, FreeBSD will create a = protective MBR. This MBR has one partition entry covering the whole = disk. FreeBSD marks this partition active. This causes at least some = UEFI implementations to ignore the GPT. To fix this the partition needs = to be marked inactive. >> * Filesystem not seen. FreeBSD's FAT32 code appears to sometimes = create filesystems that the UEFI code can't properly read. If the = filesystem is small enough, use FAT16 or FAT12 instead. >>=20 >> I think this may be my issue. But 9.1 LiveCD does boot and I can see = the data once booted, so there must be a way to fix the boot loader on = the drive to work. >=20 > Good catch. The fix landed in stable not so long ago = (http://svnweb.freebsd.org/base?view=3Drevision&revision=3D255017) so = you wouldn't find it in 9.2 either. Can you try this: >=20 > gpart unset -a active ada0 It says 'active' is an invalid attribute. This matches what gpart = mangpage says under ATTRIBUTES .. it doesn't list 'active' as an = attribute for the GPT partition scheme (but it does for other schemes). = I did try to unset 'bootme' but that did not help either. =20 Do I need the newer version of gpart to be able to unset or set it? --Andy=
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