We are fairly basic. A TS3500 Library with TS1120 E05 drives. It is ficon attached.
Lizette > > Lizette, To get a correct answer you need to provide details of what kind of > encryption you are doing. > Are you using encryption in the tape hardware (for example IBM TS1120 which > are encryption enabled), or are you encrypting using s/w on the host system? > > Outboard encryption in the IBM tape hardware is complete volume and is > almost no different performance than not encrypting. Using s/w - well that is > a different story and would depen d on the s/w you are using. > > Mike Wood RMM Development > > On Tue, 14 Jul 2009 12:33:04 -0400, Lizette Koehler > <[email protected]> wrote: > > >When you run tape Encryption on a stacked tape do you encrypt all files > that are stacked on a tape or just one file on the stacked tape? > > > >For example, I have a batch backup job that places 35 dumped volumes on > one tape. I have looked at the doc and it seems I could place the encryption > on the first file only and the whole tape will be encrypted. > > > >Or does it not take any more time or resources to have encryption happen > for each volume on the stacked tape? > > > >I have been asked to place encrption on each file via Dataclas/ACS routines > on a stacked tape. I am just trying to get a handle of what the performance > trade offs are. > > > >Lizette ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

