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228 Chapter 4 Performing CCI Operations
1.
horctakeover
Communication with the primary
site is disabled. Accordingly, SVOL-takeover is
executed SVOL-SSUS-takeover. The secondary
volume is R/W-enabled.
2.
-x mount
The file system is mounted for R/W using the CCI
subcommand.
3.
chkdsk
Conformability of the file system is checked.
4.
Server software activation
The server DB software is activated, and the
database is rolled back and rolled forward.
5.
Application activation
The user program is activated.
Takeover
Command
1.
horctakeover
2. -x mount
3. chkdsk
4. Server software activation
5. Application activation
User’s Script
User’s Environment
Activation from
HA software
Manual activation
Execution
Log
S-VOL
SMPL or SVOL_SSUS
End of pairing.
R/W is enabled.
HORC
Manager
Figure 4.26 Application/Example of TrueCopy Takeover (Windows-based System)