Hitachi TAGMASTORE MK-90RD011-25 - Manual (Page 218)

200 Chapter 4 Performing CCI Operations
Table 4.16 State Transition Table for HA Control Script
Volume Attributes and Pair Status Results Executing pairvolchk and horctakeover from DC1(DC2) State
No.
DC1(DC2) DC2(DC1) pairvolchk -s
(local volume)
pairvolchk -s -c
(remote volume) Pair
Status Horctakeover
result
1 SMPL SMPL SMPL EX_VOLCRE
2 COPY
3 PAIR/PFUL
4 PSUS
4-1 PFUS
5 PSUE
6
P-VOL
PDUB
PVOL_XXX XXX Nop
8 S-VOL EX_EVOLCE EX_EVOLCE
9
SMPL
or
SVOL-
PSUS
(SSWS)
Unknown
SMPL
or
SVOL-PSUS
EX_ENORMT or
EX_CMDIOE (EX_ENORMT)
(EX_CMDIOE)
10 SMPL SMPL XXX EX_VOLCRE
11
P-VOL
P-VOL EX_EVOLCE EX_EVOLCE
data or
status &
PSUE or
PDUB
PVOL-PSUE Æ12
or PVOL-SMPL Æ8 12
Other
S-VOL SVOL_YYY XXX
Nop
data or
status &
PSUE or
PDUB
PVOL-PSUE Æ13
or PVOL-SMPL Æ9 13
Other
Unknown
PVOL_XXX
EX_ENORMT or
EX_CMDIOE XXX
Nop
14 SMPL EX_EVOLCE EX_EVOLCE
15 COPY SVOL_E* Æ 4,5
SVOL_E*
16 PAIR/
PFUL
Swap Æ12
PSUS SVOL_E Æ 4 17
PFUS
SVOL_YYY
SVOL Æ 4-1
18
S-VOL
P-VOL
PSUE data
PVOL_XXX XXX
SVOL Ж 5,6