For a sanity check, I would list every file on every tape in tape catalog. Multiply block size by block count for file size. Sum all file sizes for total amount of data.
On Tue, Oct 7, 2025 at 10:12 PM Peter < [email protected]> wrote: > Hello > > We are planning of migrating our non IBM VTS solution to IBM TS7780. > > So for sizing TS7780 VTS cache, Our IBM representative was asking our > current VTS size. > > But the current VTS data is saving after compression and de-duplicated. > > Not sure how it will help IBM to size this solution from another > VTS(non-ibm) which has different algorithm of saving data internally? > > Normally to size IBM VTS, what kind of mainframe data will be required? So > that it can help the IBM to propose a sizing ? > > Any pointers on the above would be appreciated > > Peter > > ---------------------------------------------------------------------- > 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
