| PRIMECLUSTER Global Disk Services Configuration and Administration Guide 4.2 (Linux) |
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Contents
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| Chapter 6 Backing Up and Restoring | > 6.6 Backing Up and Restoring through an External Server | > 6.6.4 Backing Up and Restoring by the Disk Unit's Copy Function |
If data in a standard device used for the service is damaged while it is in sync with a BCV, data in the BCV is also damaged. In this case data can be restored from tape back to the standard device.
Data can be restored while the services are stopped and the application volume is not in use.
In this configuration, access cannot be gained from backup server Node3 to disk emcpowerb. Therefore, after data held in emcpowera is restored from tape while emcpowerb is detached temporarily, synchronization copying from emcpowera to emcpowerb must be performed by reattaching emcpowerb. When access can be gained from Node3 to both emcpowera and emcpowerb, it is not required that emcpowerb be detached temporarily since data can be restored from tape back to both emcpowera and emcpowerb.
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Contents
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