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Re: [Libguestfs] libguestfs fails on FreeBSD9.3, MINIX3 qcow2 images



Hello Richard,

On 09/18/2014 02:47 PM, Richard W.M. Jones wrote:
Note that you can do useful things with libguestfs without necessarily
needing inspection to work.  Libguestfs will open any disk image, but
without inspection you won't be able to detect OSes in the disk image
nor map devices to mountpoints, unless you do it yourself.

Two more related issues:

-1-
With minix, "virt-df" returns negative values:

=====
$ virt-df -a ./minixR330.qcow2
Filesystem                           1K-blocks       Used  Available  Use%
minixR330.qcow2:/dev/sda5              2075188      11892    2063296    1%
minixR330.qcow2:/dev/sda6              1215924     -94776    1310700   -7%
minixR330.qcow2:/dev/sda7              1895536     312296    1583240   17%
=====


-2-
With the FreeBSD, "guestfish" can't mount the "ufs" filesystem:
=====
$ guestfish -a ./freebsd93.qcow2
<fs> run
<fs> list-filesystems
/dev/sda1: unknown
/dev/sda2: ufs
/dev/sda3: unknown
<fs> mount-ro /dev/sda2 /
libguestfs: error: mount_ro: /dev/sda2 on / (options: 'ro'): mount: wrong fs type, bad option, bad superblock on /dev/sda2,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so
=====

The "dmesg" (from without guestfish) shows this:
=====
[   17.052574] You didn't specify the type of your ufs filesystem
[   17.052574]
[   17.052574] mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...
[   17.052574]
[   17.052574] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
[   17.068725] ufs_read_super: bad magic number
=====


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