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1. ¸ÅÊö

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2. ¸ß¿ÉÓ÷½°¸

2.1. Ö÷´Ó»òÖ÷Ö÷°ëͬ²½¸´ÖÆ

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2.2.1. ˫ͨµÀ¸´ÖÆ

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2.2.2. binlogÎļþ·þÎñÆ÷

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2.3. ¸ß¿ÉÓüܹ¹ÓÅ»¯

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2.3.1. MHA+¶à½Úµã¼¯Èº

MHA Manager»á¶¨Ê±Ì½²â¼¯ÈºÖеÄmaster½Úµã£¬µ±master³öÏÖ¹ÊÕÏʱ£¬Ëü¿ÉÒÔ×Ô¶¯½«×îÐÂÊý¾ÝµÄslaveÌáÉýΪеÄmaster£¬È»ºó½«ËùÓÐÆäËûµÄslaveÖØÐÂÖ¸ÏòеÄmaster£¬Õû¸ö¹ÊÕÏ×ªÒÆ¹ý³Ì¶ÔÓ¦ÓóÌÐòÍêȫ͸Ã÷¡£

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2.3.2. zookeeper+proxy

ZookeeperʹÓ÷ֲ¼Ê½Ëã·¨±£Ö¤¼¯ÈºÊý¾ÝµÄÒ»ÖÂÐÔ£¬Ê¹ÓÃzookeeper¿ÉÒÔÓÐЧµÄ±£Ö¤proxyµÄ¸ß¿ÉÓÃÐÔ£¬¿ÉÒԽϺõıÜÃâÍøÂç·ÖÇøÏÖÏóµÄ²úÉú¡£

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2.4. ¹²Ïí´æ´¢

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2.4.1. SAN¹²Ïí´¢´æ

SANµÄ¸ÅÄîÊÇÔÊÐí´æ´¢É豸ºÍ´¦ÀíÆ÷(·þÎñÆ÷)Ö®¼ä½¨Á¢Ö±½ÓµÄ¸ßËÙÍøÂç(ÓëLANÏà±È)Á¬½Ó£¬Í¨¹ýÕâÖÖÁ¬½ÓʵÏÖÊý¾ÝµÄ¼¯ÖÐʽ´æ´¢¡£³£Óüܹ¹ÈçÏ£º

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2.4.2. DRBD´ÅÅ̸´ÖÆ

DRBDÊÇÒ»ÖÖ»ùÓÚÈí¼þ¡¢»ùÓÚÍøÂçµÄ¿é¸´ÖÆ´æ´¢½â¾ö·½°¸£¬Ö÷ÒªÓÃÓÚ¶Ô·þÎñÆ÷Ö®¼äµÄ´ÅÅÌ¡¢·ÖÇø¡¢Âß¼­¾íµÈ½øÐÐÊý¾Ý¾µÏñ£¬µ±Óû§½«Êý¾ÝдÈë±¾µØ´ÅÅÌʱ£¬»¹»á½«Êý¾Ý·¢Ë͵½ÍøÂçÖÐÁíһ̨Ö÷»úµÄ´ÅÅÌÉÏ£¬ÕâÑùµÄ±¾µØÖ÷»ú(Ö÷½Úµã)ÓëÔ¶³ÌÖ÷»ú(±¸½Úµã)µÄÊý¾Ý¾Í¿ÉÒÔ±£Ö¤ÊµÊ±Í¬²½¡£³£Óüܹ¹ÈçÏ£º

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2.5. ·Ö²¼Ê½Ð­Òé

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2.5.1. MySQL cluster

MySQL clusterÊǹٷ½¼¯ÈºµÄ²¿Êð·½°¸£¬Í¨¹ýʹÓÃNDB´æ´¢ÒýÇæÊµÊ±±¸·ÝÈßÓàÊý¾Ý£¬ÊµÏÖÊý¾Ý¿âµÄ¸ß¿ÉÓÃÐÔºÍÊý¾ÝÒ»ÖÂÐÔ¡£

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2.5.2. Galera

»ùÓÚGaleraµÄMySQL¸ß¿ÉÓü¯Èº£¬ ÊǶàÖ÷Êý¾Ýͬ²½µÄMySQL¼¯Èº½â¾ö·½°¸£¬Ê¹Óüòµ¥£¬Ã»Óе¥µã¹ÊÕÏ£¬¿ÉÓÃÐԸߡ£³£¼û¼Ü¹¹ÈçÏ£º

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2.5.3. POAXS

Paxos Ëã·¨½â¾öµÄÎÊÌâÊÇÒ»¸ö·Ö²¼Ê½ÏµÍ³ÈçºÎ¾Íij¸öÖµ(¾öÒé)´ï³ÉÒ»Ö¡£Õâ¸öËã·¨±»ÈÏΪÊÇͬÀàËã·¨ÖÐ×îÓÐЧµÄ¡£PaxosÓëMySQLÏà½áºÏ¿ÉÒÔʵÏÖÔÚ·Ö²¼Ê½µÄMySQLÊý¾ÝµÄǿһÖÂÐÔ¡£³£¼û¼Ü¹¹ÈçÏ£º

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