I've got the VM backup, but I need more velocity when I restore the machine..
I have 3 ESXi in separate city, obviusly without HA, and a bacula
server in every place..
2010/1/21 Josh Fisher <jfisher AT pvct DOT com>:
> I think there are two schools of thought.
>
> 1. Run FD on the host and backup a snapshot of the running VM's storage.
> 2. Run FD in the VM and backup as any other machine.
>
> The advantages of 1 are simpler backup and faster, simpler restore in a
> disaster recovery situation. The disadvantages of 1 are that it uses
> more backup storage and there isn't any way to restore individual files
> to the VM.
>
> The advantages of 2 are smaller overall backup storage requirements and
> the possibility to restore individual files to a running VM. The
> disadvantage is a more complex disaster recovery procedure.
>
> My current strategy with Linux KVM VMs is to run FD in the VMs. On the
> host machine, I keep an image that is essentially a bootable rescue disk
> that contains bacula-fd and a minimal install of the same OS the VMs
> run. The rescue disk image gets backed up with the host machine. The
> rescue image is only needed for disaster recovery. Restoring individual
> files to the running VM is exactly the same as restoring to a real
> machine. For disaster recovery, I dd the rescue image to the VM's boot
> storage, then boot the VM and do a full restore in like manner to
> restoring a real machine. I believe this method is more flexible for
> general use, and the more complex disaster recovery is not overly
> troublesome.
>
> However, it depends on your needs. If fast disaster recovery is more
> important than the ability to restore individual files, or because there
> are a lot of VMs, then method 1 might be more appropriate. In my case,
> the VMs run on a two-node HA cluster, and so the death of one node
> machine would not affect the VMs at all, thus the ability to restore
> individual files on the VM is more important. YMMV.
>
>
> Carlo Filippetto wrote:
>> Hi all,
>> I would like to backup my virtual machine VMDK on ESXi 3.5
>> There's a way to do it with the machine on and I have a consistent bck?
>> What kind of change I have to do?
>>
>> Otherwise.. I can make a hot clone of my VM and backup it?
>>
>> Thank's
>>
>> CIAO
>> Carlo
>>
>>
>
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