{"id":6346,"date":"2016-05-17T20:11:43","date_gmt":"2016-05-18T05:11:43","guid":{"rendered":"http:\/\/w3devlabs2.cafe24.com\/wp\/?p=6346"},"modified":"2016-05-17T20:11:43","modified_gmt":"2016-05-18T05:11:43","slug":"%ec%a0%95%eb%b3%b4%ed%86%b5%ec%8b%a0%ec%9a%a9%ec%96%b4-%ea%b3%a0-%ea%b0%80%ec%9a%a9%ec%84%b1","status":"publish","type":"post","link":"http:\/\/w3devlabs.net\/wp\/?p=6346","title":{"rendered":"[\uc815\ubcf4\ud1b5\uc2e0\uc6a9\uc5b4] \uace0 \uac00\uc6a9\uc131"},"content":{"rendered":"

HA (high availability) – \uace0 \uac00\uc6a9\uc131<\/h1>\n<\/p>\n

\uc815\ubcf4\uae30\uc220\uc5d0\uc11c, HA\ub780 \ubc14\ub78c\uc9c1\ud55c \uc815\ub3c4\ub85c \uae34 \uc2dc\uac04\ub3d9\uc548 \uc9c0\uc18d\uc801\uc73c\ub85c \uc6b4\uc601\uc774 \uac00\ub2a5\ud55c \uc2dc\uc2a4\ud15c\uc774\ub098 \ucef4\ud3ec\ub10c\ud2b8\ub97c \uac00\ub9ac\ud0a8\ub2e4. \uac00\uc6a9\uc131\uc774\ub780 \ud754\ud788 “100% \uac00\uc6a9” \ub4f1\uacfc \uac19\uc774 \uc0c1\ub300\uc801\uc73c\ub85c \uce21\uc815\ub418\uac70\ub098 \ub610\ub294 “\uc808\ub300 \uace0\uc7a5\ub098\uc9c0 \uc54a\uc74c” \ub4f1\uacfc \uac19\uc774 \ud45c\ud604\ub420 \uc218 \uc788\ub2e4. \ub110\ub9ac \uc4f0\uc774\uace0 \uc788\uc9c0\ub9cc \ub2ec\uc131\ud558\uae30 \uacb0\ucf54 \uc27d\uc9c0 \uc54a\uc740 \uc2dc\uc2a4\ud15c \ubc0f \uc81c\ud488\uc5d0 \ub300\ud55c \uac00\uc6a9\uc131 \ud45c\uc900\uc5d0 \ud754\ud788 “\ud30c\uc774\ube0c \ub098\uc778” (five 9) \uc774\ub77c\uace0 \ubd80\ub974\ub294 99.999%\uc758 \uac00\uc6a9\uc131\uc744 \ub4e4 \uc218 \uc788\ub2e4. \ud558\ub098\uc758 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uc774\ub098 \ub124\ud2b8\uc6cd\uc740 \uc804\uccb4\uc758 \uc6b4\uc601\uc744 \uc704\ud574 \ubaa8\ub450\uac00 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc0c1\ud0dc\ub85c \uc788\uc5b4\uc57c\ub9cc \ud558\ub294 \uac00\ub2a5\ud55c \uc218\ub9ce\uc740 \ubd80\ud488\uc73c\ub85c \uad6c\uc131\ub418\uc5c8\uae30 \ub54c\ubb38\uc5d0, \uace0 \uac00\uc6a9\uc131\uc5d0 \ub300\ud55c \ub9ce\uc740 \uacc4\ud68d\ub4e4\uc774 \ubc31\uc5c5\uc774\ub098 \uc7a5\uc560\uadf9\ubcf5 \ucc98\ub9ac \ubc0f \ub370\uc774\ud130 \uc800\uc7a5 \ubc0f \uc561\uc138\uc2a4 \ub4f1\uc5d0 \uc9d1\uc911\ub418\uc5b4 \uc788\ub2e4. \uc800\uc7a5\uc7a5\uce58\uc758 \uacbd\uc6b0\uc5d0\ub294 RAID\uac00 \uadf8\uc911 \ud558\ub098\uc758 \uc811\uadfc \ubc29\ubc95\uc774\uba70, \ubcf4\ub2e4 \ucd5c\uadfc\uc5d0\ub294 SAN\uacfc \uac19\uc740 \ubc29\ubc95\uc744 \uc774\uc6a9\ud55c\ub2e4. \uc77c\ubd80 \uac00\uc6a9\uc131 \uc804\ubb38\uac00\ub4e4\uc740, \ub9cc\uc57d \uc5b4\ub5a4 \uc2dc\uc2a4\ud15c\uc5d0 \uace0 \uac00\uc6a9\uc131\uc774 \uc694\uad6c\ub41c\ub2e4\uba74 \uadf8 \uc2dc\uc2a4\ud15c\uc758 \ubaa8\ub4e0 \ubd80\ud488\ub4e4\uc774 \uc798 \uc124\uacc4\ub418\uace0 \uc2e4\uc81c\ub85c \uc0ac\uc6a9\ub418\uae30 \uc804\uc5d0 \uc644\uc804\ud558\uac8c \uc2dc\ud5d8\ub418\uc5b4\uc57c \ud55c\ub2e4\uace0 \uac15\uc870\ud55c\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc644\uc804\ud788 \uc2dc\ud5d8\ub418\uc9c0 \uc54a\uc740 \uc0c8\ub85c\uc6b4 \uc751\uc6a9\ud504\ub85c\uadf8\ub7a8\uc740 \uc2e4\uc81c \uc0ac\uc6a9 \ud604\uc7a5\uc5d0\uc11c \uc790\uc8fc \ubb38\uc81c\ub97c \uc77c\uc73c\ud0a4\ub294 \uc8fc \uc694\uc778\uc774 \ub420 \uac00\ub2a5\uc131\uc774 \ub9e4\uc6b0 \ub192\ub2e4. \ubca0\ub9ac\ud0c0\uc2a4\uc5d0\uc11c \ub370\uc774\ud130 \uac00\uc6a9\uc131 \ubd80\ubb38\uc758 \uc218\uc11d \uc5d4\uc9c0\ub2c8\uc5b4\ub85c \uadfc\ubb34\ud558\ub294 Evan Marcus\uac00 “What High Availability Really Means in a 7 x 24 x Forever World.”\ub77c\ub294 \uc8fc\uc81c\uc5d0 \uad00\ud574 \uc9c8\uc758 \uc751\ub2f5\ud55c \ub0b4\uc6a9\uc744 \uc815\ub9ac\ud55c \uae00\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

HA (high availability) – \uace0 \uac00\uc6a9\uc131<\/h1>\n<\/p>\n

\uc815\ubcf4\uae30\uc220\uc5d0\uc11c, HA\ub780 \ubc14\ub78c\uc9c1\ud55c \uc815\ub3c4\ub85c \uae34 \uc2dc\uac04\ub3d9\uc548 \uc9c0\uc18d\uc801\uc73c\ub85c \uc6b4\uc601\uc774 \uac00\ub2a5\ud55c \uc2dc\uc2a4\ud15c\uc774\ub098 \ucef4\ud3ec\ub10c\ud2b8\ub97c \uac00\ub9ac\ud0a8\ub2e4. \uac00\uc6a9\uc131\uc774\ub780 \ud754\ud788 “100% \uac00\uc6a9” \ub4f1\uacfc \uac19\uc774 \uc0c1\ub300\uc801\uc73c\ub85c \uce21\uc815\ub418\uac70\ub098 \ub610\ub294 “\uc808\ub300 \uace0\uc7a5\ub098\uc9c0 \uc54a\uc74c” \ub4f1\uacfc \uac19\uc774 \ud45c\ud604\ub420 \uc218 \uc788\ub2e4. \ub110\ub9ac \uc4f0\uc774\uace0 \uc788\uc9c0\ub9cc \ub2ec\uc131\ud558\uae30 \uacb0\ucf54 \uc27d\uc9c0 \uc54a\uc740 \uc2dc\uc2a4\ud15c \ubc0f \uc81c\ud488\uc5d0 \ub300\ud55c \uac00\uc6a9\uc131 \ud45c\uc900\uc5d0 \ud754\ud788 “\ud30c\uc774\ube0c \ub098\uc778” (five 9) \uc774\ub77c\uace0 \ubd80\ub974\ub294 99.999%\uc758 \uac00\uc6a9\uc131\uc744 \ub4e4 \uc218 \uc788\ub2e4. \ud558\ub098\uc758 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uc774\ub098 \ub124\ud2b8\uc6cd\uc740 \uc804\uccb4\uc758 \uc6b4\uc601\uc744 \uc704\ud574 \ubaa8\ub450\uac00 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc0c1\ud0dc\ub85c \uc788\uc5b4\uc57c\ub9cc \ud558\ub294 \uac00\ub2a5\ud55c \uc218\ub9ce\uc740 \ubd80\ud488\uc73c\ub85c \uad6c\uc131\ub418\uc5c8\uae30 \ub54c\ubb38\uc5d0, \uace0 \uac00\uc6a9\uc131\uc5d0 \ub300\ud55c \ub9ce\uc740 \uacc4\ud68d\ub4e4\uc774 \ubc31\uc5c5\uc774\ub098 \uc7a5\uc560\uadf9\ubcf5 \ucc98\ub9ac \ubc0f \ub370\uc774\ud130 \uc800\uc7a5 \ubc0f \uc561\uc138\uc2a4 \ub4f1\uc5d0 \uc9d1\uc911\ub418\uc5b4 \uc788\ub2e4. \uc800\uc7a5\uc7a5\uce58\uc758 \uacbd\uc6b0\uc5d0\ub294 RAID\uac00 \uadf8\uc911 \ud558\ub098\uc758 \uc811\uadfc \ubc29\ubc95\uc774\uba70, \ubcf4\ub2e4 \ucd5c\uadfc\uc5d0\ub294 SAN\uacfc \uac19\uc740 \ubc29\ubc95\uc744 \uc774\uc6a9\ud55c\ub2e4. \uc77c\ubd80 \uac00\uc6a9\uc131 \uc804\ubb38\uac00\ub4e4\uc740, \ub9cc\uc57d \uc5b4\ub5a4 \uc2dc\uc2a4\ud15c\uc5d0 \uace0 \uac00\uc6a9\uc131\uc774 \uc694\uad6c\ub41c\ub2e4\uba74 \uadf8 \uc2dc\uc2a4\ud15c\uc758 \ubaa8\ub4e0 \ubd80\ud488\ub4e4\uc774 \uc798 \uc124\uacc4\ub418\uace0 \uc2e4\uc81c\ub85c \uc0ac\uc6a9\ub418\uae30 \uc804\uc5d0 \uc644\uc804\ud558\uac8c \uc2dc\ud5d8\ub418\uc5b4\uc57c \ud55c\ub2e4\uace0 \uac15\uc870\ud55c\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc644\uc804\ud788 \uc2dc\ud5d8\ub418\uc9c0 \uc54a\uc740 \uc0c8\ub85c\uc6b4 \uc751\uc6a9\ud504\ub85c\uadf8\ub7a8\uc740 \uc2e4\uc81c \uc0ac\uc6a9 \ud604\uc7a5\uc5d0\uc11c \uc790\uc8fc \ubb38\uc81c\ub97c \uc77c\uc73c\ud0a4\ub294 \uc8fc \uc694\uc778\uc774 \ub420 \uac00\ub2a5\uc131\uc774 \ub9e4\uc6b0 \ub192\ub2e4. \ubca0\ub9ac\ud0c0\uc2a4\uc5d0\uc11c \ub370\uc774\ud130 \uac00\uc6a9\uc131 \ubd80\ubb38\uc758 \uc218\uc11d \uc5d4\uc9c0\ub2c8\uc5b4\ub85c \uadfc\ubb34\ud558\ub294 Evan Marcus\uac00 “What High Availability Really Means in a 7 x 24 x Forever World.”\ub77c\ub294 \uc8fc\uc81c\uc5d0 \uad00\ud574 \uc9c8\uc758 \uc751\ub2f5\ud55c \ub0b4\uc6a9\uc744 \uc815\ub9ac\ud55c \uae00\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[5922],"tags":[5921],"class_list":["post-6346","post","type-post","status-publish","format-standard","hentry","category-5922","tag-5921","entry"],"_links":{"self":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/6346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6346"}],"version-history":[{"count":0,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/6346\/revisions"}],"wp:attachment":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6346"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}