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Restoring After a Media Failure on the Secondary Database Server

High-Availability Data Replication:Table 45 summarizes the various scenarios for restoring data if the secondary database server suffers media failure. The following issues are relevant:

Table 45. Scenarios for Media Failure on the Secondary Database Server
HDR
Server
Critical Media Chunks Mirrored Effect of Failure
Secondary Yes No Secondary database server fails. Primary database server receives errors. HDR is turned off. Follow the procedure in Restarting After Critical Data Is Damaged.
Secondary Yes Yes Secondary database server remains online in read-only mode. Follow the procedures in Recovering a Mirror Chunk.
Secondary No No Secondary database server remains online in read-only mode. Primary database server receives errors. HDR is turned off. Follow the procedure in Restarting After Critical Data Is Damaged.
Secondary No Yes Secondary database server remains online in read-only mode. Follow the procedures in Recovering a Mirror Chunk.
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