就算你有多个数据源，除非有跨多个数据库的事务，否则也不需要JTA。
Even when you have more than one datasource, you don't need JTA unless you have transactions spanning more than one datasource.
两个磁盘用于消息传递数据库的事务日志，同样，这两个磁盘应该采用上述带状设置。
Two disks for the transaction log of the messaging database, again, these two should be striped as explained above.
还原数据库的事务日志时可能会看到一条警告，指示全文索引处于不一致状态。
When restoring the transaction log of a database, you might see a warning indicating that the full-text index is not in a consistent state.
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