I want to use the new block level incremental imaging capabilities of Server 2008 for my primary backup. Specifically, I'm backing up Hyper-V R2 and guests from the host. Thus my backups mostly consist of large VHD files from the guest systems.
What I like about imaging is that I can keep a long history of backups without using a lot of disk space. File replication techniques using SIS are less ideal because the bulk of my backups are large VHD files.
So anyway, I've got backups using imaging working fine. What I want to do now is have multiple copies of my backups; one to direct attached storage, one to an iSCSI target, and one to removable media.
It is my understanding that windows imaging backups are not "copyable". I believe this means that I can't copy backup history, and if I copy the backup files from the destination device to another device, I may not be able to restore (easily) from the copy.
Is there a way to mirror or replicate these backups so that I can have two or more copies of the backup image, with history, that I can easily restore?