On Wed, 5 Dec 2018 07:39:22 -0600, Russell Witt <res09...@verizon.net> wrote:
>So very true. And the concept of an "air-gap" backup has become a real issue >and shows one of the problems with replication. And nothing is better for an >"air-gap" backup than tape, including Virtual Tape. > >The other point is that while dasd-management products (HSM, FDR/ABR, CA-Disk) >are one of the biggest users, and together with backup-solutions like DFDSS >and FDR account for the majority of tape usage there are other uses as well. I >have seen some production sites where DB2 backups from the DB2 utility use as >much tape (measured in Mb of data) as either one. > The "SafeGuarded Copy" feature of the IBM DS8000 disk subsystem creates backups that are not accessible by the host and protects them from corruption that can occur in the production environment. Safeguarded Copy can create multiple backups on a regular basis, such as hourly or daily. Roger ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
