What are you backing up to? tape? disk? purpose-built storage like a Data Domain?
Mike Best regards, Mike <http://rbbuswiki.bbg.roche.com/wiki/ryderm_page:start>, x7942 RMD IT Client Services <http://na.intranet.roche.com/sites/RMD/content/Departments/IT/Pages/default.aspx> On Tue, Dec 6, 2016 at 3:02 AM, Andreas Landhäußer <aland...@gmx.de> wrote: > > Hello TSM B/A experts out there, > > for a new project there is a Backup/DR requirement for a 3 Generation > Backup also called Grandfather-Father-Son (GFS). > > We cannot rewrite the requirements, they are set! > > I have discussed with several colleagues, they suggested a daily > incremental, 4 or 5x weekly full, and maybe 12x monthly full Backups copies. > > In summary 19 copies of data (~500GB) taken, 12 with a retention time of > one year, four or five with retention time of one month, the inactive daily > incremental copies have a retention time of 30 days. Active copies NEVER > expire. > > 19 copies of about 0.5 TB, which will probably never be used, is a huge > overhead, even when we a reducing the monthly backups to two or three > copies, there are still many never used copies. > > In our case, we are going to pay for the storage, since we are using TSM > VE and Linux VMs as guests, since we do not see a possibility for charging > the different owners of the VMs. > > Does anyone know a better and less expensive solution for fulfilling this > requirement with IBM Spectrum Scale Protect > > Ciao > > Andreas > > -- > Andreas Landhäußer +49 151 12133027 (mobile) > aland...@gmx.de
