Early in my career, I had the opportunity to tour a corporate disaster recovery (DR) center, right in the heart of center city Philadelphia. The facility, housed within a solidly built World War II-era tank factory, had every kind of system available, from IBM and Honeywell mainframes to rooms of PC servers. Heres the way it worked: in the event of an outage caused by a natural or manmade disaster, clients IT managers would run down to the facility, backup tapes in hand, to reload and restore operations on the backup centers systems. It was a process that was expected to last between 24 and 48 hours — there were even rooms with cots for the admins extended stay.
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