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
