Libguestfs - Jul 2013 - Re: [libvirt-users] Resize errors with virt-resize/vgchange

On 07/21/2013 07:01 PM, Alex wrote:
> Hi,
> 
> I have an fc18 system and trying to resize an LVM partition with an
> ext4 filesystem and receiving the following message from virt-resize:
virt-resize is part of libguestfs, which is layered on top of libvirt.
As such, I'm redirecting this mail to the libguestfs mailing list.
> 
> # virt-resize -d --expand /dev/sda1 --LV-expand /dev/mapper/prop-home
> prop-1.img prop-expand.img
> command line: virt-resize -d --expand /dev/sda1 --LV-expand
> /dev/mapper/prop-home prop-1.img prop-expand.img
> Examining prop-1.img ...
> libguestfs: trace: add_drive "prop-1.img"
"readonly:true"
> libguestfs: trace: add_drive = 0
> libguestfs: trace: add_drive "prop-expand.img"
"readonly:false"
> libguestfs: trace: add_drive = 0
> libguestfs: trace: launch
> libguestfs: trace: get_tmpdir
> libguestfs: trace: get_tmpdir = "/tmp"
> libguestfs: trace: get_cachedir
> libguestfs: trace: get_cachedir = "/var/tmp"
> libguestfs: trace: disk_format
"/var/lib/libvirt/images/prop-expand.img"
> libguestfs: trace: disk_format = "raw"
> libguestfs: trace: get_cachedir
> libguestfs: trace: get_cachedir = "/var/tmp"
> [...] 100% --:--
> libguestfs: trace: launch = 0
> libguestfs: trace: lvm_set_filter "/dev/sda"
> libguestfs: trace: lvm_set_filter = -1 (error)
> Fatal error: exception Guestfs.Error("lvm_set_filter: vgchange:
> Couldn't find device with uuid zouQ8X-qxqJ-mp6p-pzg3-mi2i-K9YM-A763Kc.
>   Refusing activation of partial LV home. Use --partial to override.
>   Refusing activation of partial LV swap. Use --partial to override.
>   R
> libguestfs: trace: close
> libguestfs: trace: internal_autosync
> libguestfs: trace: internal_autosync = 0
> 
> I don't understand this error message. I also see that vgchange
> doesn't even have a 'partial' option, so I'm not sure how
to
> troubleshoot it. Here is the filesystem layout for this system:
> 
> # df -h
> Filesystem                Size  Used Avail Use% Mounted on
> devtmpfs                  7.9G     0  7.9G   0% /dev
> tmpfs                     7.9G     0  7.9G   0% /dev/shm
> tmpfs                     7.9G  3.9M  7.9G   1% /run
> tmpfs                     7.9G     0  7.9G   0% /sys/fs/cgroup
> /dev/mapper/prop-root   15G  7.4G  6.3G  55% /
> tmpfs                     7.9G     0  7.9G   0% /tmp
> /dev/mapper/prop-boot  477M   95M  358M  21% /boot
> /dev/mapper/prop-home  222G  212G  9.9G  96% /home
> 
> The image is the 222G /home partition only. The other partitions are
> on another image.
> 
> Any ideas how to troubleshoot this would be greatly appreciated.
> Thanks,
> Alex
> 
> _______________________________________________
> libvirt-users mailing list
> libvirt-users@redhat.com
> https://www.redhat.com/mailman/listinfo/libvirt-users
> 
> 
-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

Hi,
>> > # virt-resize -d --expand /dev/sda1 --LV-expand
/dev/mapper/prop-home
>> > prop-1.img prop-expand.img
>> > command line: virt-resize -d --expand /dev/sda1 --LV-expand
>> > /dev/mapper/prop-home prop-1.img prop-expand.img
>> > Examining prop-1.img ...
>> > libguestfs: trace: add_drive "prop-1.img"
"readonly:true"
>> > libguestfs: trace: add_drive = 0
>> > libguestfs: trace: add_drive "prop-expand.img"
"readonly:false"
>> > libguestfs: trace: add_drive = 0
>> > libguestfs: trace: launch
>> > libguestfs: trace: get_tmpdir
>> > libguestfs: trace: get_tmpdir = "/tmp"
>> > libguestfs: trace: get_cachedir
>> > libguestfs: trace: get_cachedir = "/var/tmp"
>> > libguestfs: trace: disk_format
"/var/lib/libvirt/images/prop-expand.img"
>> > libguestfs: trace: disk_format = "raw"
>> > libguestfs: trace: get_cachedir
>> > libguestfs: trace: get_cachedir = "/var/tmp"
>> > [...] 100% --:--
>> > libguestfs: trace: launch = 0
>> > libguestfs: trace: lvm_set_filter "/dev/sda"
>> > libguestfs: trace: lvm_set_filter = -1 (error)
>> > Fatal error: exception Guestfs.Error("lvm_set_filter:
vgchange:
>> > Couldn't find device with uuid
zouQ8X-qxqJ-mp6p-pzg3-mi2i-K9YM-A763Kc.
>> >   Refusing activation of partial LV home. Use --partial to
override.
>> >   Refusing activation of partial LV swap. Use --partial to
override.
>> >   R
>> > libguestfs: trace: close
>> > libguestfs: trace: internal_autosync
>> > libguestfs: trace: internal_autosync = 0
>> >
>> > I don't understand this error message. I also see that
vgchange
>> > doesn't even have a 'partial' option, so I'm not
sure how to
>> > troubleshoot it. Here is the filesystem layout for this system:
>
> Which version of libguestfs, and where did you install it from?
It was installed via yum on fedora18:

# rpm -qva|grep guest
libguestfs-tools-c-1.20.9-1.fc18.x86_64
libguestfs-tools-1.20.9-1.fc18.x86_64
libguestfs-1.20.9-1.fc18.x86_64

Thanks so much,
Alex