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'Big Bang': Great for creating the universe, but not as an approach to IT migration, TSB told

Roland6 Silver badge

>They had two data centers in an “active/active” configuration, which neither Sabadel (the Spanish parent bank) nor IBM UK had done before.

Don't know about Sabadel. but IBM UK had certainly done active/active DC's in the UK banking sector, suspect those with experience have either retired or weren't involved in TSB.

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