550: Unable to create data set dsname for command command.

Explanation

The server attempted to allocate to a new data set to store data. The dynamic allocation was unsuccessful. command is STOR, STOU, or APPE.

System action

The command is rejected. FTP continues.

User response

None.

System programmer response

Examine the trace and look for trace messages with the tag seq_create_file. These trace messages provide the reason codes for the dynamic allocation error.