NEC Storage ReplicationControl SQL Option User Manual page 87

Chapter 6 Operations of NEC Storage ReplicationControl SQL Option
Procedure 1 Create the transaction log backup (Business Server)
Create a transaction log backup if an error occurs on Microsoft SQL Server 2000's data disk.
T-SQL : BACKUP LOG snap TO DISK = 'g:\sql\backups\trbl.dat' WITH NO_TRUNCATE
Procedure 2. Detach the database (Business Server)
Detach the database where the error occurred.
T-SQL : EXEC sp_detach_db snap
Procedure 3. Execute metafile disk's file system flush (Business Server)
Flush the file system of the metafile disk and then write the still-unwritten data in the file system
buffer to the disk.
iSMrc_flush -drv f:
Procedure 4. Unmount the metafile disk (Business Server)
Unmount the metafile disk and cancel the associations between the volume and the file system. When
using a service to monitor the disk state, stop the service before unmounting.
iSMrc_umount -drv f:
Procedure 5. Execute restoration (Business Server)
Restore the latest backup file from the RV to the MV.
When executing a snapshot restoration by specifying the RV protection, the separation is automatically
performed after synchronization has been completed as the result of the restoration. Therefore, it is
not necessary to execute the separation operation.
iSMrc_restore -file snaplist0.txt -mode protect
Restoration execution
Metafile
MV
*1: Save latest backup data to metafile 1.
RV
Figure 6-22 Performing Restoration
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Metafile 3
Metafile 2
*1
Metafile 1