I am just going to have to delete the functional device definition from IXFP
and then re-define the same unit with a new vol=ser name. Does a delete from IXFP totally delete a device from the system or is there other work involved?
The IXFP delete will make the device non-existant from the hardware prospective but it will still be in your I/O configuration unless you update your IOCDS and do an ACTIVATE to delete it. If you are going to re-define the same device with IXFP there is no need to do the ACTIVATE. However, if you redefine the device with different charateristics, such as a different number of cylinders, then at least you will need to do a

  DS  QD,uuuu,VALIDATE

to refresh the control blocks for the device. I think that will work. If you are changing the device type (3380 to 3390) then you WILL need to update your IOCDS and ACTIVATE.
--
Bruce A. Black
Senior Software Developer for FDR
Innovation Data Processing 973-890-7300
personal: [EMAIL PROTECTED]
sales info: [EMAIL PROTECTED]
tech support: [EMAIL PROTECTED]
web: www.innovationdp.fdr.com

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