Zustände beim BC
| BC Pair Status / Zugriff | P-Vol im RW Modus |
S-VOL im RW Modus |
Zustand |
| SMPL | Ja | Ja | (simplex) not currently paired |
| COPY(PD) | Ja | Nein | (pending) initial copy in progress |
| PAIR | Ja | Nein | initial copy complete, asynchronous updates are in progress |
| COPY(SP) | Ja | Nein | (sp-pend ) updates issued prior to a split command are in progress |
| PSUS | Ja | Ja | (split) accepting write IOs for P-Vol and S-Vol; maintaining difference data on track maps |
| PSUS(SP) | Ja | Ja | (quick split) accepting write IOs for P-Vol and S-Vol; differential map is being copied, pairs in this state cannot be deleted |
| COPY(RS) | Ja | Nein | (resync) P-Vol and S-Vol are in process of being resynchronized; updates are in progress |
| COPY(RS-R) | Nein | Nein | (reverse resync) P-Vol and S-Vol are in process of reverse resync; updates are in progress |
| PSUE | Ja | Nein | (reverse resync) P-Vol and S-Vol are in process of reverse resync; updates are in progress |