Specifying file control attributes for the CSD
You specify file control attributes for the CSD using the CSDxxxxx system initialization parameters, with a few exceptions.
These exceptions are as follows:
- CSDBKUP
- You specify backup-while-open support for the CSD using the VSAM BWO parameter in the ICF catalog.
- CSDBUFND
- Ignored.
- CSDBUFNI
- Ignored.
- CSDFRLOG
- You specify the forward recovery log stream for the CSD using the VSAM LOGSTREAMID parameter in the ICF catalog.
- CSDINTEG
- You specify read integrity for RDO transactions (CEDx) using this system initialization parameter.
- CSDLSRNO
- Ignored.
- CSDRECOV
- You specify the recovery attributes for the CSD using the VSAM LOG parameter in the ICF catalog. If LOG is “undefined”, any attempt to open the CSD in RLS mode will fail.
- CSDSTRNO
- For RLS, the number of strings defaults to 1024.