On Wed, 24 May 2023 18:17:14 +0800, David Crayford <dcrayf...@gmail.com> wrote:
>It is undeniable that systems built with sufficient redundancy can achieve >99.999% We've come a long way. I've recently looked into the history of SHARE and the IBM 704. "In its day, the 704 was an exceptionally reliable machine. Being a vacuum-tube machine, however, the IBM 704 had very poor reliability by today's standards. On average, the machine failed around every 8 hours." https://en.wikipedia.org/wiki/IBM_704 -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
