I don't think you can put the drive offline while it has a drive mounted and in-use.
-- Joshua S. Bassi IBM Certified - AIX 4/5L, SAN, Shark Tivoli Certified Consultant - ADSM/TSM eServer Systems Expert -pSeries HACMP AIX, HACMP, Storage, TSM Consultant Cell (831) 595-3962 [EMAIL PROTECTED] -----Original Message----- From: ADSM: Dist Stor Manager [mailto:ADSM-L@;VM.MARIST.EDU] On Behalf Of David E Ehresman Sent: Thursday, October 24, 2002 11:54 AM To: [EMAIL PROTECTED] Subject: Varying tape drives offline Anyone know what happens when you have processes/sessions running and using tape drives and vary the drives offline with the command: update drive LIB DRIVE online=no Do the tapes get dismounted? Processes/sessions terminate? Data corrupted? 3590 drives in a 3494 library running TSM 5.1.1.6 on AIX 5.1 if it makes any difference. David Ehresman