Amazon VPCã§æµ®å‹•IPアドレス的ãªã“ã¨ãŒã§ããªã„ã‹ã®ãƒ¡ãƒ¢ - （ã²ï¼‰ãƒ¡ãƒ¢ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒãƒ¼ã‚’実ç¾ã™ã‚‹æ‰‹æ³•ã®ã²ã¨ã¤ã«VIP(Virtual IPã€æµ®å‹•IPアドレス)ã¨ã„ã†ã‚‚ã®ãŒã‚ã‚Šã¾ã™ã€‚ Amazon VPCã«ã¦VIPãŒã§ããªã„ã‹ã€ã¡ã‚‡ã£ã¨è€ƒãˆã¦ã¿ãŸã®ã§ãã®ãƒ¡ãƒ¢ã§ã™ã€‚ 環境ã¨ã—ã¦ã¯ã€10.0.0.0/16ã®VPCã®ä¸ã«ã€ 10.0.0.0/17ã®public subnet (AZã¯a) 10.0.128.0/17ã®public subnet (AZã¯b) ã¨ã„ã†ãã‚Œãžã‚Œåˆ¥ã®Availability Zoneã«å±žã™ã‚‹2ã¤ã®subnetを作りã€ã“れらsubnetã‚’ã¾ãŸã„ã§VIPçš„ãªã“ã¨ãŒã§ããªã„ã‹ã€ã¨ã„ã†è€ƒå¯Ÿã§ã™ã€‚ æ€ã„ã¤ã„ãŸæ–¹æ³•ã¨ã—ã¦ã¯ä»¥ä¸‹ã®3ã¤ã§ã™ã€‚ ENIを移動ã™ã‚‹ - NICを移動ã™ã‚‹ secondary private addressを移動ã™ã‚‹ - IP Aliasã™ã‚‹ Routerã®åŠ›ã‚’借りる ã»ã‹ã«ã‚‚ã„ã„方法ãŒã‚ã£ãŸã‚‰æ•™ãˆã¦ãã ã•ã„＞＜ ENIを移動ã™ã‚‹
RightScale OSS - RightScale Technical Support
http://elijahpaul.co.uk/2012/03/resizing-a-rightscale-centos-6-0-ec2-root-ebs-volume/
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