Hi Russell We don't limit the size of the VTL volume so size doesn't enter into it.
Regards Ken Kenneth A. Bloom CEO Avenir Technologies Inc /d/b/a Visara International 203-984-2235 bl...@visara.com www.visara.com > On May 18, 2018, at 2:03 PM, Russell Witt <res09...@verizon.net> wrote: > > Tony, > > > Another item to throw into the mix is what size of virtual-volumes you define > them as. With 3490's, you can define the virtual-volumes in Gigabytes of > capacity. If you stack lots of very small files, you run into a problem with > the Block-ID not being large enough. With them defined as 3590's, the > block-id issue is non-existent because the Block-ID is a 4-byte field on the > 3590's. So, if you like to define your virtual-volumes as large volumes; it > might actually be better to define them as 3590's. > > > Russell Witt > res09...@verizon.net > > > > > -----Original Message----- > From: Tony Thigpen <t...@vse2pdf.com> > To: IBM-MAIN <IBM-MAIN@LISTSERV.UA.EDU> > Sent: Fri, May 18, 2018 12:52 pm > Subject: VTL as 3490 vs 3590 > > For a little fun on Friday afternoon. > > We will be replacing our current VTL. > > The new VTL can be configured to look like 3490s or 3590s. Our current > VTL is defined to z/OS as 3490s. > > Some of the staff are saying: "All VTLs should be defined as 3490s > because that is what everybody does." > > Others are saying: "Let's make them 3590s because then they match the > few remaining physical 3590s and if we have an issue with the VTL we can > just swap the fiber and continue running on real 3590s until the problem > is fixed." > > It was suggested I ask here to see what others are doing. > > Thoughts? > > -- > Tony Thigpen > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
