after install libguestfs_xfs, all results are:

[using guestfish]

guestfish -N fs:xfs -m /dev/sda1 statvfs /

bsize: 4096

frsize: 4096

blocks: 24713

bfree: 23391

bavail: 23391

files: 51136

ffree: 51133

favail: 51133

fsid: 2049

flag: 4096

namemax: 255

[using virt-rescure]

virt-rescue -a test1.img

><rescue> mount /dev/sda1 /sysroot

><rescue> stat -f /sysroot

File: "/sysroot"

ID: 80100000000 Namelen: 255 Type: xfs

Block size: 4096 Fundamental block size: 4096

Blocks: Total: 24713 Free: 23391 Available: 23391

Inodes: Total: 51136 Free: 51133

the free numbers are the same. but the "virt-df" output is not changed.

Thanks,

Chen


在 2018-01-07 20:22:28，"Richard W.M. Jones" <rjones@redhat.com> 写道：
>On Sun, Jan 07, 2018 at 08:11:58PM +0800, 陈帆 wrote:
>> Sorry for the late reply. when I used your method to execute command:
>>  $guestfish -N fs:xfs -m /dev/sda1 statvfs /
>> libguestfs: error: mkfs: xfs: /dev/sda1: mkfs.xfs: No such file or directory
>> guestfish: error creating prepared disk image 'fs:xfs' on 'test1.img': failed to create filesystem (xfs): mkfs: xfs: /dev/sda1: mkfs.xfs: No such file or directory
>
>You need to install ‘libguestfs-xfs’.
>
>Rich.
>
>-- 
>Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
>Read my programming and virtualization blog: http://rwmj.wordpress.com
>virt-p2v converts physical machines to virtual machines.  Boot with a
>live CD or over the network (PXE) and turn machines into KVM guests.
>http://libguestfs.org/virt-v2v