4) ãƒã‚§ãƒƒã‚¯ã—ã¦ã„るマスターã®ã‚¹ãƒ†ãƒ¼ã‚¿ã‚¹ãŒSDOWN, FAILOVER_IN_PROGRESSã ã£ãŸã‚‰ã€ä»–ã®sentinelã«is-master-down-by-addrを投ã’ã¦å•ã„åˆã‚ã›ã‚‹ã€‚ã“ã‚Œã€ã€Œã“ã®sentinelã¯è‡ªåˆ†ã®ãƒžã‚¹ã‚¿ãƒ¼ãŒãƒ€ã‚¦ãƒ³ã—ã¦ã„ã‚‹ã¨èªè˜ã—ã¦ã„ã‚‹ã‹ã©ã†ã‹(=MASTERDOWN)ã€ã‚’判定ã—ã¦æ ¼ç´ã—ã¦ã‚‹ã‚ˆã†ã«è¦‹ãˆã‚‹(sentinel.c: sentinelAskMasterStateToOtherSentinels) 5) ã“ã“ã§SDOWNã—ã¦ã„ã‚‹ã‹ã©ã†ã‹ã®åˆ¤å®šé–¢æ•°ã‚’呼ã¶(sentinel.c: sentinelCheckSubjectivelyDown) 6) last_avail_timeã¨ç¾åœ¨æ™‚刻ã®å·®ãŒdown_after_millisecondsを超ãˆã¦ã„ãŸã‚‰SDOWN判定。 7) 自分ãŒSDOWNã¨ã—ã¦ã„ã‚‹å ´åˆã€ä»–ã®sentinelãŒSDOWNã¨åˆ¤å®šã—ã¦ã„ã‚‹
{{#tags}}- {{label}}
{{/tags}}