Backing up virtual machines - opinions/suggestions needed.


 
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Special Forums Windows & DOS: Issues & Discussions Backing up virtual machines - opinions/suggestions needed.
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Old 11-16-2008
Backing up virtual machines - opinions/suggestions needed.

Hi,

I was required to do a backup of a virtual machine that runs on vmware. The guest operating system is windows, and the host is windows too. I have to backup the whole directory of the virtual machine (say in linux it'll be in /var/lib/vmware/virtual machines/) to a linux server.

Initially I had done something like this:
- Schedule the windows on vm to shutdown (I use pstools with force flag) say at 1am.
- A backup script will run on the linux backup server at around 2am that will mount the directory on windows where the vm resides, tar it straight to the linux server and umount it.
- Schedule the vm to start at 5am.

While it works, am having a bad feeling running a force shutdown on the vm every single week for the backup. I can schedule a normal shutdown of course, but I don't think tthis will gurantee that the windows will eventually shutdown? Will it be safe enough if I use vmrun stop soft to shutdown the windows?

So, besides doing snapshot, what would be a better way to backup the virtual machine files (all the vmdk, vmx, etc.etc.)?

Any advice offered is appreciated. Thanks.
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VMMEMCTL(9)							   Open VM Tools						       VMMEMCTL(9)

NAME
vmmemctl - vmware kernel module SYNOPSIS
modprobe vmmemctl DESCRIPTION
This is a kernel module. It isn't backed by a virtual hardware device, so it must be loaded manually. It has no dependencies, nor do any Tools components depend on it, so it can be loaded at any time during the boot process. Once loaded, no further action is needed. OPTIONS
vmmemctl has no options. SEE ALSO
vmware-checkvm(1) vmware-hgfsclient(1) vmware-toolbox(1) vmware-toolbox-cmd(1) vmware-user(1) vmware-xferlogs(1) libguestlib(3) libvmtools(3) vmware-guestd(8) vmware-hgfsmounter(8) vmware-user-suid-wrapper(8) vmblock(9) vmci(9) vmhgfs(9) vmsock(9) vmsync(9) vmxnet(9) vmxnet3(9) HOMEPAGE
More information about vmmemctl and the Open VM Tools can be found at <http://open-vm-tools.sourceforge.net/>. AUTHOR
Open VM Tools were written by VMware, Inc. <http://www.vmware.com/>. This manual page was put together from homepage materials by Daniel Baumann <daniel.baumann@progress-technologies.net>, for the Debian project (but may be used by others). 2010.03.20-243334 2010-04-08 VMMEMCTL(9)