When querying a local fixed block device (OPENDVCS(YES) is specified), DEVN must specify a CKD access volume located in the same subsystem cluster as the FB device identified by QRYDVC in this command.
When querying a remote fixed block device (both OPENDVCS(YES) and REMOTE(YES) are specified), DEVN must specify a CKD access volume located in the same subsystem cluster as the PPRC primary device that is paired with the PPRC secondary acting as the FlashCopy® source.
When querying a remote CKD device (REMOTE(YES) is specified), DEVN must specify the PPRC primary device that is paired with the PPRC secondary acting as the FlashCopy source.
ssss must be a 4-digit hexadecimal address of a configured device with a UCB on the System z® system issuing the command.