There is a simulator: ftp://ftp.df.lth.se/pub/bitsavers.org/1401/simh_v2.9-10/I1401-supnik/i1401_d oc.txt
Gerrit -----Original Message----- From: PDML [mailto:[email protected]] On Behalf Of John Sent: Monday, August 12, 2013 10:09 AM To: Pentax-Discuss Mail List Subject: Re: How often do you back up your hard drive? I wonder where I can find a used IBM1402? On 8/12/2013 1:18 AM, David Mann wrote: > On Aug 12, 2013, at 7:46 AM, steve harley <[email protected]> wrote: > >> a few years ago i contracted at a large corpse where another department (on which my department relied for file services) managed to obliterate a RAID array ("RAID is safe, right?") and in the process discovered their (untested) backups were also faulty . heads rolled; the situation i had been brought in to clean up (i am a software janitor) was even more tenuous, but from the start i had advocated protective measures, so i was made to seem very wise > > I know a guy who used to work at Telecom. He once told me about a telephone exchange that crapped itself and lost its data, so they went to restore from backup. > > The trouble is, they'd had a software update a couple of years previously that had a bug which caused it to write corrupt data to the backup. So they had to re-enter everything from paper records. > >> quite recently i took a retainer for improving a website and said one of the first things i needed to do was confirm the site was properly backed up; i soon got word from the previous contractor that he didn't think the backups were working; the clients, while failing to give me any way to check the backups, and thus making it impossible to set up a staging server, nonetheless insisted i rush a major reconfiguration of the site; when the clients clearly didn't understood nor accept the liability of this approach, i told them it wasn't going to work and said goodbye > > Very wise move. You have a good CYA plan :) > > Cheers, > Dave > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
