Figure 2.18 Restoring S-Vol For Duplex Operation (Hitachi Truecopy Only) - Hitachi TAGMASTORE MK-90RD011-25 User Manual

Server A
Pair splitting
(Simplex)
Pair generation
(Remote)
Event waiting (PAIR)
Pair splitting
(Simplex)
Pair generation
(No Copy)

Figure 2.18 Restoring S-VOL for Duplex Operation (Hitachi TrueCopy Only)

36 Chapter 2 Overview of CCI Operations
Primary
PSUS
SMPL
Secondary
COPY
SMPL
R/W
Primary
PAIR
R/W
Server B
Secondary
PSUS
DB shutdown
DB completion notification
SMPL
Primary
COPY
SMPL
Secondary
PAIR