CBR0021I UCB not found for CTC `dev`. Initialization terminated.

Explanation
 An error occurred during the CTC initialization
phase of OAM initialization. The optical configuration database contained
an entry for an optical disk drive or an optical disk library which
indicated that the device was at channel-to-channel adapter address dev.
OAM did not find an MVS™ Unit
Control Block (UCB) for the specified device number.

System action
 OAM initialization stops.

Operator response
 Notify the system programmer.

System programmer response
 Verify that:  all device numbers specified as the CTC device number in the drive
table in the optical configuration database are indeed devices that
have been defined to the MVS operating
system.
all device numbers specified as the CTC device number in the library
table in the optical configuration database are indeed devices that
have been defined to the MVS operating
system.

Source
 Object Access Method (OAM)

Routing Code
 2

Descriptor Code
 4

CBR0021I UCB not found for CTC dev. Initialization terminated.

Explanation

System action

Operator response

System programmer response

Source

Routing Code

Descriptor Code

CBR0021I UCB not found for CTC `dev`. Initialization terminated.