X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=df%2Fvirt-df.pod;h=e9f416c567ec3b8868a1cf3e75dff2b0e52a0a99;hp=5d06f9b0212391b183fea1096b3a9995a60b6997;hb=607aa95de927b5b8e4b212655c71bf21acbba372;hpb=18374b5b7d3154e0b8b8a07e3590f6eee762b58e diff --git a/df/virt-df.pod b/df/virt-df.pod index 5d06f9b..e9f416c 100755 --- a/df/virt-df.pod +++ b/df/virt-df.pod @@ -22,26 +22,39 @@ Old style: C is a command line tool to display free space on virtual machine filesystems. Unlike other tools, it doesn't just display the -amount of space allocated to a virtual machine, but can look inside -the virtual machine to see how much space is really being used. +size of disk allocated to a virtual machine, but can look inside disk +images to see how much space is really being used. -It is like the L command, but for virtual machines, except that -it also works for Windows virtual machines. +If used without any I<-a> or I<-d> arguments, C checks with +libvirt to get a list of all active and inactive guests, and performs +a C-type operation on each one in turn, printing out the results. -If used without any arguments, C checks with libvirt to get a -list of all active and inactive guests, and performs a C-type -operation on each one in turn, printing out the results. +If any I<-a> or I<-d> arguments are specified, C performs a +C-type operation on either the single named libvirt domain, or on +the disk image(s) listed on the command line (which must all belong to +a single VM). In this mode (with arguments), C will I. If you want to run on multiple guests, then +you have to invoke C multiple times. -If used with any argument(s), C performs a C-type -operation on either the single named libvirt domain, or on the disk -image(s) listed on the command line (which must all belong to a single -VM). In this mode (with arguments), C will I. If you want to run on multiple guests, then you have -to invoke C multiple times. +Use the I<--csv> option to get a format which can be easily parsed by +other programs. Other options are similar to the standard L +command. -Use the C<--csv> option to get a format which can be easily parsed by -other programs. Other options are mostly similar to standard C -options. See below for the complete list. +=head1 EXAMPLES + +Show disk usage for a single libvirt guest called C. Make the +output human-readable: + + # virt-df -d F14x64 -h + Filesystem Size Used Available Use% + F14x64:/dev/sda1 484M 66M 393M 14% + F14x64:/dev/vg_f13x64/lv_root 7.4G 3.4G 4.0G 46% + +Show disk usage for a disk image file called C: + + $ virt-df -a test1.img + Filesystem 1K-blocks Used Available Use% + test1.img:/dev/sda1 99099 1551 92432 2% =head1 OPTIONS @@ -76,7 +89,8 @@ not used at all. =item B<--domain> guest -Add all the disks from the named libvirt guest. +Add all the disks from the named libvirt guest. Domain UUIDs can be +used instead of names. =item B<--format=raw|qcow2|..> @@ -100,8 +114,7 @@ auto-detection for C. If you have untrusted raw-format guest disk images, you should use this option to specify the disk format. This avoids a possible -security problem with malicious guests (CVE-2010-3851). See also -L. +security problem with malicious guests (CVE-2010-3851). =item B<-h> @@ -200,10 +213,10 @@ manual page L for details. =head1 SEE ALSO +L, L, L, L, -L, L. =head1 AUTHOR @@ -212,7 +225,7 @@ Richard W.M. Jones L =head1 COPYRIGHT -Copyright (C) 2009-2010 Red Hat Inc. +Copyright (C) 2009-2011 Red Hat Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by