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In reply to the discussion: Colonial Pipeline said to have no plan pay hackers ransom [View all]jmowreader
(50,552 posts)I LOVE big iron! Especially big iron running proprietary OS like VM. Not super happy that the new IBM Z/Systems are running Linux.
Among my millions of jobs in Berlin was being sysop on a Navy mainframe running Aegis Tactical Executive Program. We did our backups very simply: once every three days we dropped all the users off the system and did a complete copy of each disc pack to another disc pack. There were two disc packs in the system and we had three working drives, so the drill was to copy the system pack to another system pack, the text pack to another text pack, mount the new copies (so we knew they worked) and put the old ones on a shelf.
If this backup scheme would have been operative at Colonial Pipeline, they could have had the whole system back in operation in an hour - the length of time it would have taken to shut down, pull the old hard drives, install ones from Staples where the infected ones were, and restored from backups. IT these days makes me cringe...people are not backing up and eventually theyre gonna get fucked.