On Tuesday, 06/16/2009 at 02:39 EDT, Rob van der Heij <[email protected]> wrote:
> There's nothing in the S/390 I/O architecture that supports the > concept of R/O disks (unlike tapes). Sure it is. Command Reject + Write Inhibited. Older drives had a physical "R/O" switch on them. It could also show up on more recent drives as Equipment Check + Write Inhibited, indicating that the host has set a logical R/O condition in the drive. Alan Altmark z/VM Development IBM Endicott ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
