On Thursday, 08/31/2006 at 11:58 EST, Tom Schmidt <[EMAIL PROTECTED]> wrote: > On Thu, 31 Aug 2006 11:27:53 -0400, Alan Altmark wrote: > > >The drives encrypt/decrypt data *in the drive itself [at] tape speed*. The > >performance penalty of host-based encryption is no longer necessary. > > > Hmmm... not quite. From the U.S. announcement materials: > > "Note: With encryption enabled, the access time to data on the tape drive > will increase. Also, the tape drive unload time will increase. This is due > to the time needed to retrieve, read, and write the encryption key."
As Walt notes, my point was that you no longer have the performance penalty of *host* encryption. And while encryption on the drive doesn't take "zero time" (TANSTAAFL, right?), it's nothing like host-based encryption. Alan Altmark z/VM Development IBM Endicott ---------------------------------------------------------------------- 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
