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Although tapes are not the best method of doing backups in this day and age, most companies still do it. It has been part of most companies disaster recovery manual for many years. A lot of companies have been going away from it or using as a 2nd level of protection. If you look into things like SonicWALL Continuous Data Protection and Barracuda Networks Backup Server. This is what most people are looking into now. They do local disk to disk back-up, including data deduplication then it encyrpts the data and sends it over the network to there cloud data centers for off-site digital backup. It makes it extremely easy to restore data. Once they get these things working on VMDK files, it will sky rocket. Even though these are hot items right now as it is. They will also take these out of appliances soon and make it so you can purchase them as a virtrual machine file to use your own local storage.
With that said. As someone who helps build network infrastructures for medium to enterprise level businesses, I would be suprised if Google would have to ever use them. I do not know what happened with all the email accounts got deleted. But they have to have system replications and snapshots where they can just go back an hour or two and load the old email accounts. If not, shame on them. This is simple shit.
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