On 3 Sep 2010 15:52:25 -0700, in bit.listserv.ibm-main you wrote: >On 9/3/2010 5:36 PM, Gerhard Adam wrote: >>> The way I read the articles, there was mirroring and the failure of >>> primary was made disastrous by the failure of the mirroring device. If >>> this is the case, what are the probabilities of the same thing on IBM >>> devices regardless of the operating system? >> >> That's probably true. After all, who would ever think to have more than one >> backup. > >Mirroring doesn't equal backup. > >Mirroring will happily duplicate bad data written by a misbehaving >program (or by misbehaving hardware for that matter).
And a backup program will blithely copy bad data to the backup mechanism. Clark Morris ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
