Date: Thu, 3 Nov 2011 15:26:53 -0700 From: Kevin Oberman <kob6558@gmail.com> To: Sascha Klauder <sascha@trimind.de> Cc: antik@bsd.ee, current@freebsd.org, freebsd-geom@freebsd.org, Garrett Cooper <yanegomi@gmail.com>, Martin Wilke <miwi@freebsd.org>, "Andrey V. Elsukov" <ae@freebsd.org> Subject: Re: gmirror failed with error 19. Message-ID: <CAN6yY1t55gxm2=zyug-KOaPUMWF4MjVm2bAriRO-%2BpqcUkwUGA@mail.gmail.com> In-Reply-To: <20111103115054.GA2155@trimind.de> References: <8453E2A2-3219-4FAA-98CE-2F9D66EA1C39@FreeBSD.org> <CAGH67wRL5rNskmEA2Xk=9JwQw4Wm3UbqYx55EG%2BQaZBZZ0xzsA@mail.gmail.com> <20111028094828.GA1781@trimind.de> <4EAF9E67.4040605@FreeBSD.org> <20111103115054.GA2155@trimind.de>
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On Thu, Nov 3, 2011 at 4:50 AM, Sascha Klauder <sascha@trimind.de> wrote: > On Tue, 2011-11-01 11:23 +0400, Andrey V. Elsukov wrote: >> On 28.10.2011 13:48, Sascha Klauder wrote: >> > =A0GEOM_MIRROR: Device mirror/gm0 launched (2/2). >> > =A0GEOM_PART: partition 1 has end offset beyond last LBA: 490350671 > = 490350670 >> > =A0GEOM_PART: integrity check failed (mirror/gm0, MBR) >> This is the main problem. Your MBR' slice is bigger than actual space >> you have. The only way to fix this - recreate slice. > > =A0I've partioned and labeled the disk with sysinstall(8) from > 8.2-RELEASE media. =A0Does 9.0 use different disk geometry cal- > culation than 8.2 or is usage of gmirror the culprit? =A0Both > 8.2 and 9.0 kernels report the disk having 490350672 sectors. > >> You can break your mirror, recreate the slice (NOTE: you must preserve >> one sector for the gmirror's meta-data), then copy your data to the >> newly created slice, then reboot from the new slice and recreate mirror. > > =A0I think I'd rather reinstall 9.0 from scratch, getting rid > of MBR/disklabel as well. While using gpart and the 9.0 installer has some real benefits, it also has a few problems. I ave a disk that I partitioned with bsdinstall from the 9.0 distribution media and it worked fine for a STAT disk, but I am unable to boot te same disk when connected to a USB adapter. It shows up in the boot list, but when I select it, the screen blanks for a few seconds (<5) and the list re-appears. No errors, but my T520 BIOS clearly is not happy with it. I have no idea how common htis issue might be, but the T520 does have a UEFI BIOS. As noted, GEOM wants the final sector on the disk for its metadata, but GPT mandates that hte ast sector of the disk be used for a backup of the boot sector. The leads to the potential ofr all kinds if ugliness to develop, especially when BIOS, which knows nothing about GEOM, is accessing the disk. --=20 R. Kevin Oberman, Network Engineer E-mail: kob6558@gmail.com
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