FCIOWAIT

If you have a task waiting on resource type FCIOWAIT, it means that the task is waiting within VSAM for I/O to take place. VSAM uses MVS RESERVE volume locking, and it is likely that another job has at present got the lock on the volume. See if there are any messages on the MVS console to explain the error.

A wait on resource type FCIOWAIT occurs when the exclusive control conflict is deferred internally by VSAM and not returned as an error condition to CICS. An example of this is when a request against an LSR file is made for exclusive control of a control interval (for example, by WRITE or READ UPDATE) and either this task or another task already holds shared control of this control interval (for example, by STARTBR).

Exclusive control waits are discussed further in FCXCWAIT.

Waiting on this resource can occur only for files accessed in non-RLS mode.