On 26.04.2012 19:21, aurfalien wrote: > 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 > _______________________________________________ > CentOS-virt mailing list > CentOS-virt@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos-virt Aurf, LVM is filesystem level, not directory level. What I'd recommend is to reinstall and use LVM, make a couple of volumes for / and swap and leave the rest for virtual machines. -- Sent from the Delta quadrant using Borg technology! Nux! www.nux.ro _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos-virt
