Thanks for the inputs Currently we are metro mirrored.
So I believe I also need to look into their quality of support? Cache and modules? - what exactly I need to be researching on this ? On Wed, 4 Sept 2024, 19:40 Radoslaw Skorupka, < [email protected]> wrote: > W dniu 04.09.2024 o 10:52, Peter pisze: > > Hello, > > > > I Must confess that I am not a Storage expert. In our organization we > are > > working on procuring a new storage box solution. I have been asked to > > study and give an opinion on which solution would be perfect for our > > mainframe environment. > > > > Could someone give me your advise based on your experience. When > selecting > > a new storage solution what are the important points that needs to be > > looked into the vendors proposal ? > > Generally speaking a DASD box is not just a bunch of disks. It is DASD > space + performance + embedded software. > > DASD space - obvious > > performance - a little bit more complex. There is no single number, like > car velocity. Even cache size should be understood, because vendors have > different way of use of it. Two approaches: compare "guts" (cache, disk > modules, etc.) or compare benchmarks. > > embedded software - remote copy, point in time copy, some "obvious" > things like SuperPAV, etc. Unless you have specific requirements all > vendors apply. However their offering differ and it could be important. > And features like Safeguarded copy. > > ...and zHyperlink. All vendors have FICON32 nowadays, and AFAIK all do > have zHyperlink. > > > HTH > > -- > Radoslaw Skorupka > Lodz, Poland > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
