Gentoo Archives: gentoo-server

From: Brian Kroth <bpkroth@×××××.com>
To: Tim Schumacher <tim@××××××××××××.org>
Cc: gentoo-server@l.g.o
Subject: Re: [gentoo-server] Checking a block device
Date: Fri, 06 Aug 2010 15:04:56
Message-Id: 20100806143308.GY605@gmail.com
In Reply to: Re: [gentoo-server] Checking a block device by Tim Schumacher
1 Tim Schumacher <tim@××××××××××××.org> 2010-08-04 12:19:
2 > At Wed, 04 Aug 2010 08:11:40 +0100,
3 > Tom Grace wrote:
4 > > On 08/04/2010 01:13 AM, GNUbie wrote:
5 > > > How can I check if a block device (partition) has one or any of the
6 > > > following characteristics:
7 > > >
8 > > > [1] raw
9 > > >
10 > > > [2] has content
11 > > >
12 > > > [3] formatted
13 > > >
14 > > > but without actually mounting it?
15 > >
16 > > testdisk (http://www.cgsecurity.org/wiki/TestDisk) will tell you that.
17 >
18 > This works also as root:
19 >
20 > file -s /dev/sda1
21 >
22 > greetings
23 >
24 > Tim
25
26 Having just cranked out something where I needed similar info [1] I
27 found that the file command doesn't understand all blockdev/filesystem
28 types. The blkid command is a little bit better at that.
29
30 Brian
31
32 [1] http://cae.wisc.edu/~bpkroth/src/san-snapshots/

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