https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.2.0/com.ibm.zos.v2r2.adru000/bwoims.htm Includes backup while open.
http://www.redbooks.ibm.com/abstracts/redp4452.html?Open On Wed, Dec 13, 2017 at 4:10 PM, Edward Gould <[email protected]> wrote: > Hi all: > > This question I am posing caught me off guard and was wondering what the MF > world does about Data Base backups. > The largest DB I had e been exposed to was around 60 3350 volumes and that > was 20+ years ago. > The backup of the entire DB took about 3 hours and that was by a special back > program written by the vendor. > > The webinar that I watched was of course a PC Data base. > > One of the questions was: > Have a file system so large or dense that you haven't completed a full backup > in several months, if ever > —————————————————— > Have any of you had this much data to back up you couldn’t do it … for > several months??!!!! > > I talked with a friend whose company has a large (credit history of all the > people in the US (plus a few over seas)) and according to him they back the > data up in several ways, but the current back up is to replicate the data and > then back it up off the replicated data and he said 3-4 hours. When I told > him of the comment that was made in the webinar, he said: “If I couldn’t back > up the data in 4 hours tops, he would be fired.” > > I though this might be an interesting question for the people on here. > How long does it take to backup your largest DB ? > What are the various methodologies do you use for backup of your largest DB? > Finally would you still have your job, if any portion of your DB went for say > over 1 day without a proper backup? > The 1 day is a variable and I plucked it out of nowhere and was wondering > what is your magic number? > > Ed > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
