1 .\"	$OpenBSD$
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3 .\" Copyright (c) 2025 Tobias Heider <tobhe@openbsd.org>
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5 .\" Permission to use, copy, modify, and distribute this software for any
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17 .Dd $Mdocdate: November 21 2025 $
18 .Dt DISKINFO 1
19 .Os
20 .Sh NAME
21 .Nm diskinfo
22 .Nd display disk information
23 .Sh SYNOPSIS
24 .Nm diskinfo
25 .Op Fl h
26 .Nm diskinfo
27 .Op Fl h
28 .Ar disk
29 .Sh DESCRIPTION
30 The
31 .Nm
32 utility displays information about all available or the specified
33 .Ar disk
34 device.
35 The
36 .Ar disk
37 operand can be a
38 .Dq short form
39 name or
40 .Xr disklabel 8
41 UID.
42 If no operands are specified,
43 information for all available disks is displayed.
44 By default, size values are displayed as 512-byte block counts.
45 .Pp
46 The options are as follows:
47 .Bl -tag -width Ds
48 .It Fl h
49 "Human-readable" output.
50 Use unit suffixes: Byte, Kilobyte, Megabyte,
51 Gigabyte, Terabyte, Petabyte, Exabyte in order to reduce the number of
52 digits to four or less.
53 .Sh EXAMPLES
54 Output information for all available disks:
55 .Pp
56 .Bd -literal
57 # diskinfo
58 DISK                    TOTAL      FSTYPE      MOUNT
59 sd0:e0da951523552d12 [QEMU QEMU HARDDISK]
60 |-- sd0a	    976240591	     RAID  
61 |-- sd0c	    976773168	   unused  
62 `-- sd0i	       532480	    MSDOS  
63 
64 sd1:61992282be82044b [QEMU QEMU CRYPTO]  
65 |-- sd1a	      2097152	   4.2BSD      /
66 |-- sd1b	     67461472	     swap  
67 |-- sd1c	    976240063	   unused  
68 `-- sd1i	       532480	    MSDOS  
69 .ed
70 .Sh SEE ALSO
71 .Xr disklabel 5 ,
72 .Xr mount 8 ,
73 .Xr getmntinfo 3 ,
74 .Xr sd 4 ,
75 .Xr fstab 5 ,