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Old 05-13-2008, 04:42 PM
"Richard W.M. Jones"
 
Default virt-df 2.1.0 - a 'df' tool for virtual guests

I'm pleased to announce the most recent release of virt-df (2.1.0).

Virt-df is 'df' for virtual guests. Run the program on the host / dom0
to display disk space used and available on all partitions on all
guests. You don't need to run any sort of program/agent within the
guest.

Home page: http://et.redhat.com/~rjones/virt-df/
Source/binaries: http://et.redhat.com/~rjones/virt-df/files/
Developer repository:
http://hg.et.redhat.com/virt/applications/virt-df--devel

This version supports most common filesystems and partitioning
schemes, including:
- Linux ext2/3
- DOS FAT32
- Windows NTFS
- Linux LVM2 (volume groups and logical volumes)
- Primary and extended disk partitions
- Linux swap
- Linux suspend partition

You can run it in your host / dom0 to display guest filesystems:

# virt-df -c qemu:///system -h
Filesystem Size Used Available Type
rhel51x32kvm:hda1 96.8 MiB 14.6 MiB 82.2 MiB Linux ext2/3
rhel51x32kvm:VolGroup00/LogVol00 6.4 GiB 3.6 GiB 2.8 GiB Linux ext2/3
rhel51x32kvm:VolGroup00/LogVol01 992.0 MiB Linux swap

You can also run it on general disk images, or disk devices:

# virt-df -t /dev/sda
Filesystem 1K-blocks Used Available Type
/dev/sda:hda1 25599996 11309448 14290552 Windows NTFS
/dev/sda:hda2 992016 93772 898244 Linux ext2/3
/dev/sda:F9VG/F9Root 23316072 7818164 15497908 Linux ext2/3
/dev/sda:F9VG/F9Swap 1015808 Linux swap
/dev/sda:RHEL51VG/RHEL51Root 22382184 7796640 14585544 Linux ext2/3
/dev/sda:RHEL51VG/RHEL51Swap 2031616 Linux swap
/dev/sda:VolGroup/FAT32Test 916736 4 914676 DOS/Windows

You can write the output to a CSV file (use --csv option) in order to
import the data easily into spreadsheets and databases.

Included also is an experimental command line tool called 'diskzip'
which intelligently compresses disk images by leaving out the bits
which aren't actually used in the filesystems / partitions / volume
groups contained within.

Rich.

--
Richard Jones, Emerging Technologies, Red Hat http://et.redhat.com/~rjones
virt-p2v converts physical machines to virtual machines. Boot with a
live CD or over the network (PXE) and turn machines into Xen guests.
http://et.redhat.com/~rjones/virt-p2v

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