The outage last week JPMorgan Chase's online banking site is an example of how pushing to maintain absolute data integrity could end up creating big problems for companies, a veteran database analyst cautioned yesterday.
The financial services firm suffered through intermittent problems on the site for three days earlier this month. At one point, Chase customers could not carry out any online banking transactions for a period of more than 24 hours.
The bank initially blamed the disruption on a 'technical issue,' but later said the problems were tied to a third-party database product used to authenticate customer log-ins.
Curt Monash, an analyst at Monash Research, said a source with knowledge of the incident told him that the outage was traced to an Oracle database used by Chase to store user profiles and authentication data. Monash said the source, who he wouldn't identify, said that four files in the Oracle database were corrupted and that the error had been replicated in the mirror copy of the database that Chase maintained for backup and recovery purposes.
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