Doug, > The ZBC standard "piggy-backs" on many, but not all, of the facilities > in SBC. Add those ZBC mode pages (plus mode parameter block > descriptors (e.g. "WP")) and VPD pages in common with SBC. Add ZBC > specific VPD page. Also OK. Would benefit from a Reviewed-by: from Damien. -- Martin K. Petersen Oracle Linux Engineering