Date: Sun, 27 Nov 2011 10:23:38 +0800 From: Fbsd8 <fbsd8@a1poweruser.com> To: Warren Block <wblock@wonkity.com> Cc: "Julian H. Stacey" <jhs@berklix.com>, questions@freebsd.org, Robert <traveling08@cox.net> Subject: Re: Invalid fdisk partition table found (fwd) Message-ID: <4ED19F2A.2010700@a1poweruser.com> In-Reply-To: <alpine.BSF.2.00.1111261832130.9873@wonkity.com> References: <201111241116.pAOBGH4i098240@fire.js.berklix.net> <20111124113938.2d99eec2@dell64> <alpine.BSF.2.00.1111241326490.69990@wonkity.com> <20111125095457.477e9501@dell64> <alpine.BSF.2.00.1111251325020.81363@wonkity.com> <20111126135557.56f4ea06@dell64> <alpine.BSF.2.00.1111261832130.9873@wonkity.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Warren Block wrote: > On Sat, 26 Nov 2011, Robert wrote: > >> Some difference today. Not sure at what point this happened but one of >> my CF cards now reads: >> >> [robert@dell64] ~> fdisk /dev/da1 >> ******* Working on device /dev/da1 ******* >> parameters extracted from in-core disklabel are: >> cylinders=2057 heads=255 sectors/track=63 (16065 blks/cyl) >> >> Figures below won't work with BIOS for partitions not in cyl 1 >> parameters to be used for BIOS calculations are: >> cylinders=2057 heads=255 sectors/track=63 (16065 blks/cyl) >> >> fdisk: invalid fdisk partition table found >> Media sector size is 512 >> Warning: BIOS sector numbering starts with sector 1 >> Information from DOS bootblock is: >> The data for partition 1 is: >> sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) >> start 63, size 33045642 (16135 Meg), flag 80 (active) >> beg: cyl 0/ head 1/ sector 1; >> end: cyl 8/ head 254/ sector 63 >> The data for partition 2 is: >> <UNUSED> >> The data for partition 3 is: >> <UNUSED> >> The data for partition 4 is: >> <UNUSED> >> >> Now showing 16GB but still not right. >> > ... >> I also did this in single user with the same results. Ideally, I would >> like to change these cards to FAT32 but I cannot get there with fdisk >> and am not sure how to get there with gpart or if I can. > > Creating an MS-DOS layout with gpart(8), where the disk is da0: > > # gpart destroy -F da0 > da0 destroyed > # gpart create -s mbr da0 > da0 created > # gpart add -t "\!11" da0 > da0s1 added > > 11 is 0x0b, the FAT32 partition type. There might be a more mnemonic > string for it, this is the first time I've ever used gpart for FAT32. > The exclamation is for gpart/GPT, and the backslash is to keep the shell > from messing with it. > > # gpart show da0 > => 63 15662997 da0 MBR (7.5G) > 63 15662997 1 fat32 (7.5G) > > # ls /dev/da0* > /dev/da0 /dev/da0s1 > # newfs_msdos -F32 /dev/da0s1 > > fdisk(8) may be easier, just set the partition type to 11. > The correct partition type is 12 not 11.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4ED19F2A.2010700>