>Would like to know if any of your shop running the 3390-27 .
Yes, we use it. Mod-27 is a fabrication - there is no actually device type called 3390-27. The same is true for Mod-54. Most software will report the device as a Mod-9. There shouldn't be performance problems as it's using SCSI drives on the backend. Check your DR shop to insure they can or will provide DASD configured in this size. Bob Shannon Rocket Software ---------------------------------------------------------------------- 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