12.5. REDUNDANCY

REDUNDANCY ÆÐ³Î¿¡¼­´Â ¹é¾÷ LVS ¶ó¿ìÅÍ ³ëµå¿Í ´Ù¾çÇÑ heartbeat ¸ð´ÏÅ͸µ ¿É¼ÇÀ» ¼³Á¤ÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.

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ÀÌ È­¸éÀ» óÀ½À¸·Î ¿­¾î º¸¼Ì´Ù¸é, "ºñȰ¼º" Backup »óÅ·Π³ªÅ¸³ª¸ç ENABLE ¹öưÀÌ È­¸é¿¡ º¸ÀÏ °ÍÀÔ´Ï´Ù. ¹é¾÷ LVS ¶ó¿ìÅ͸¦ ¼³Á¤ÇϽ÷Á¸é, È­¸éÀÌ ±×¸² 12-4°ú ÀÏÄ¡Çϵµ·Ï ENABLE ¹öưÀ» Ŭ¸¯ÇϽñ⠹ٶø´Ï´Ù.

±×¸² 12-4. REDUNDANCY ÆÐ³Î

Redundant server public IP

¹é¾÷ LVS ¶ó¿ìÅÍ ³ëµå¿¡ »ç¿ëµÉ °ø°ø ½ÇÁ¦ IP ÁÖ¼Ò¸¦ ÀÔ·ÂÇØ ÁֽʽÿÀ.

Redundant server private IP

ÀÌ ÅØ½ºÆ® Ç׸ñ¿¡´Â ¹é¾÷ ³ëµåÀÇ »ç¼³ ½ÇÁ¦ IP ÁÖ¼Ò¸¦ ÀÔ·ÂÇÏ½Ã¸é µË´Ï´Ù.

Redundant server private IP Ç׸ñÀÌ º¸ÀÌÁö ¾Ê´Â´Ù¸é, GLOBAL SETTINGS ÆÐ³Î·Î µÇµ¹¾Æ °¡¼Å¼­ Primary server private IP ÁÖ¼Ò¸¦ ÀÔ·ÂÇϽŠÈÄ ACCEPT ¹öưÀ» Ŭ¸¯ÇØ ÁֽʽÿÀ.

ÆÐ³ÎÀÇ ±× ¿Ü ³ª¸ÓÁö Ç׸ñÀº heartbeat ä³Î ¼³Á¤¿¡ »ç¿ëµË´Ï´Ù. ¹é¾÷ ³ëµå´Â ÀÏÂ÷ ³ëµå°¡ °íÀ峯 °æ¿ì¿¡ ´ëºñÇÏ¿© heartbeat ä³ÎÀ» »ç¿ëÇÏ¿© ÀÏÂ÷ ³ëµåÀÇ »óŸ¦ ¸ð´ÏÅÍ ÇÕ´Ï´Ù.

Heartbeat Interval (seconds)

ÀÌ Ç׸ñ¿¡¼­´Â hearbeat Áֱ⠗ ¹é¾÷ ³ëµå°¡ ÀÏÂ÷ LVS ³ëµåÀÇ ÀÛµ¿ »óŸ¦ È®ÀÎÇÒ ½Ã°£ Áֱ⸦ ÃÊ ´ÜÀ§·Î ¼³Á¤ÇÕ´Ï´Ù.

Assume dead after (seconds)

¸¸ÀÏ ÀÏÂ÷ LVS ³ëµå°¡ ÀÌ Ç׸ñ¿¡¼­ ¼³Á¤µÈ ÃÊ ÁֱⰡ Áö³­ ÈÄ¿¡µµ ÀÀ´äÇÏÁö ¾Ê´Â´Ù¸é, ¹é¾÷ LVS ¶ó¿ìÅÍ ³ëµå°¡ ÆäÀÏ¿À¹ö ÀÛ¾÷À» ½ÃÀÛÇÕ´Ï´Ù.

Heartbeat runs on port

ÀÏÂ÷ LVS ³ëµå¿Í heartbeat Åë½ÅÀ» ÁÖ°í ¹ÞÀ» Æ÷Æ®¸¦ ¼³Á¤ÇÕ´Ï´Ù. ÀÌ Ç׸ñÀ» ºó Ä­À¸·Î ³²°ÜµÎ½Ã¸é ±âº» °ªÀÎ Æ÷Æ® 539·Î ¼³Á¤µË´Ï´Ù.

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ÀÌ ÆÐ³Î¿¡ º¯°æµÈ »çÇ×ÀÌ ÀÖ´Ù¸é »õ ÆÐ³ÎÀ» ¼±ÅÃÇϼŵµ º¯°æ »çÇ×À» ÀÒÁö ¾Êµµ·Ï ¹Ýµå½Ã ACCEPT ¹öưÀ» Ŭ¸¯ÇÏ¿© º¯°æ »çÇ×À» ÀúÀåÇϽñ⠹ٶø´Ï´Ù.