Date: Sat, 26 Jan 2013 19:55:30 +0000 (UTC) From: Walter Hurry <walterhurry@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: Mount Logical (ext2fs) Partitions? Message-ID: <ke1cbh$upb$1@ger.gmane.org> References: <kdv4ud$noq$1@ger.gmane.org> <87fw1o5y6o.fsf@oak.localnet> <ke0gj9$v7t$1@ger.gmane.org> <87bocb6eo9.fsf@oak.localnet>
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On Sat, 26 Jan 2013 09:24:06 -0800, Carl Johnson wrote: > Walter Hurry <walterhurry@gmail.com> writes: > >> On Fri, 25 Jan 2013 21:07:59 -0800, Carl Johnson wrote: >> >>> There is a package called 'linuxfdisk' that is just a FreeBSD >>> implementation of the linux fdisk and will show you what the FreeBSD >>> partitions/slices are. You can also use gpart in the base system to >>> get the same information. The command 'gpart list ada0' will show the >>> primary partitions, and the command 'gpart list ada0s4' should show >>> the logical partitions inside of the extended partition. You can also >>> use 'file -s' and possibly do read-only mounts to see exactly what >>> they contain. The names will probably map out like linux, but the >>> 'sda*' will be changed to 'ada0s*'. >> >> Thanks for the pointers. Here is the relevant part of the output from >> 'gpart list ada0s4': >> >> 4. Name: ada0s8 >> Mediasize: 41943040000 (39G) >> Sectorsize: 512 Stripesize: 0 Stripeoffset: 162529280 Mode: r0w0e0 >> rawtype: 131 length: 41943040000 offset: 46143188992 type: >> linux-data index: 1430498 end: 172043415 start: 90121368 >> >> So I put into my /etc/fstab: >> >> /dev/ada0s8 /u01 ext2fs ro,noauto 0 0 >> >> But when I issue 'sudo mount /u01' I get: >> >> mount: /dev/ada0s8: Invalid argument >> >> >> What am I doing wrong? > > I don't see anything wrong there. I use labels when possible, but that > doesn't really change anything. Have you tried using 'file -s > /dev/ada0s8' to see what the kernel thinks it is? Sorry, I didn't take advantage of that earlier piece of advice. Here it is: $ file -s /dev/ada0s8 /dev/ada0s8: no read permission $ ls -l /dev/ada0s8 crw-r----- 1 root operator 0, 102 26 Jan 18:09 / dev/ada0s8 $ sudo file -s /dev/ada0s8 /dev/ada0s8: Linux rev 1.0 ext4 filesystem data,UUID=d93b0074-04ca-4e5d-bee9-dfd85bce0b14, volume name "u01" (extents) (large files) (huge files) $ So it's my stupid mistake. I could have sworn it was ext2, but it was ext4. Sorry for all the noise! However, I'm glad you have helped, and that I have learned a little bit about Linux partitions as FreeeBSD slices. It was empty, so I just reformatted it as ext2, and hey presto; all is right with the world. Thanks again.
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