On Apr 26, 2012, at 2:15 PM, Nux! wrote: > On 26.04.2012 19:12, aurfalien wrote: >> On Apr 26, 2012, at 1:54 PM, Nux! wrote: >> >>> On 26.04.2012 18:23, aurfalien wrote: >>>> Hi, >>>> >>>> While there are a few howtos floating around, what is the standard >>>> way to snapshot guests? >>>> >>>> I went through and converted from raw to pre allocated meta data >>>> qcow2 images for this purpose. >>>> >>>> Some howtos suggest to do an xml snapshot file as so; >>>> >>>> <domainsnapshot> >>>> <name>UbuntuServer_10.10-16032011</name> >>>> <description>Snapshot of OS install and updates</description> >>>> </domainsnapshot> >>>> >>>> And then to run as so; >>>> >>>> virsh snapshot-create UbuntuServer_10.10 UbuntuServer_10.10-ss.xml >>>> >>>> Seems a bit over kill. >>>> >>>> I was thinking more along the lines of this; >>>> >>>> qemu-img snapshot -c $date $filename >>>> >>>> qemu-img convert -f qcow2 -O qcow2 -s $date $filename >>>> $filename-$date >>>> >>>> Or something like this.Anyways, hoping to see how you all are doing >>>> this for best practice sort of thing. >>> >>> Hi, >>> >>> I just use LVM snapshots; it's the fastest, most reliable way I >>> could >>> come with. >> >> Hi, >> >> I don't have LVMs. >> >> But if I did, would it be possible to only snapshot a directory or >> will it snapshot the entire file system? > > Assuming you use LVM on the host to provide the virtual machine with a > (virtual) HDD, then snapshotting that will obviously be (virtual) > disk-wise. I used a simple non LVM partitioning scheme. Can I do directory based snapshots in LVM or is it the entire FS? I can re implement or redo my host to use LVM. - aurf