{"id":460,"date":"2015-09-07T04:43:54","date_gmt":"2015-09-07T04:43:54","guid":{"rendered":"http:\/\/haisins.epac.to\/wordpress\/?p=460"},"modified":"2015-09-07T04:43:54","modified_gmt":"2015-09-07T04:43:54","slug":"oracle-rac-%ed%99%98%ea%b2%bd-interconnect-%ec%97%90-gigabit-switch-%ec%82%ac%ec%9a%a9%ea%b6%8c%ea%b3%a0","status":"publish","type":"post","link":"http:\/\/haisins.synology.me\/wordpress\/?p=460","title":{"rendered":"ORACLE RAC \ud658\uacbd interconnect \uc5d0 gigabit switch \uc0ac\uc6a9\uad8c\uace0"},"content":{"rendered":"<p style=\"text-align: justify\">\uace0\uac00\uc6a9\uc131\uc744 \uc704\ud55c Gigabit Switch \uad8c\uc7a5\n<\/p>\n<p>\n&nbsp;<\/p>\n<ul>\n<li>\n<div style=\"text-align: justify\"><strong>\ud074\ub7ec\uc2a4\ud130\ub9c1 \uae30\ubc18\uc73c\ub85c Oracle RAC \ub97c \uad6c\ucd95\ud560 \ub54c, \uc2dc\uc2a4\ud15c\uac04\uc758 \ub370\uc774\ud130 \ud1b5\uc2e0\uc744 \uc704\ud574 High speed interconnector \ub97c  Crossover Cable \ubc29\uc2dd\uc73c\ub85c  \uad6c\ucd95\uc6b4\uc601\ud558\uba74 \ubd88\uc548\uc815\ud558\uae30 \ub54c\ubb38\uc5d0 \uc774\ub7ec\ud55c \uad6c\uc131 \ubc29\uc2dd\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ub418\ub294 \uc7a5\uc560\uc5d0 \ub300\ud574  \ubb38\uc81c \ucd94\uc801 \ubc0f \ud574\uacb0\uc744  \uc704\ud55c \uace0\uac1d\uc9c0\uc6d0(SR\ucc98\ub9ac)\uc744 \ubc1b\uc744 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong>\n\t\t\t<\/div>\n<\/li>\n<li>\n<div style=\"text-align: justify\"><strong>Switch \uac00 \uc694\uad6c\ub418\ub294 \uc774\uc720:<\/strong>\n\t\t\t<\/div>\n<p style=\"text-align: justify; margin-left: 8pt\">1) Cross-Cabling \uc740 2 \ub178\ub4dc \uc774\uc0c1 \ud655\uc7a5 \uc2dc \uc81c\ud55c\uc744 \ubc1b\uc74c\n<\/p>\n<p style=\"text-align: justify; margin-left: 8pt\">2) Cross-Cabling \uc73c\ub85c \uad6c\uc131\uc2dc NIC(network interface card) \uac00 \ubd88\uc548\uc815\ud574\uc9c0\uba74 \ub178\ub4dc\uac04\uc758 \ud1b5\uc2e0\uc774 \ub2e8\uc808\ub418\uc5b4 \ubd88\uaddc\uce59\ud558\uac8c <u><span style=\"color: rgb(255, 0, 0);\">DB instance \uc7a5\uc560\uac00 \ubc1c\uc0dd\ub418\uac70\ub098  \ub370\uc774\ud130 \ub204\uc218(Loss)\uac00 \ubc1c\uc0dd<\/span><\/u>\ub418\ub294 \ud604\uc0c1\uc774 \ubcf4\uace0 \ub418\uc5b4 \uc788\uc74c&nbsp;<\/p>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify\">\n&nbsp;<\/p>\n<ul>\n<li>\n<div style=\"text-align: justify\"><strong>\uc2e4 \uc0ac\ub840\ub85c Cross-Cabling \ubc29\uc2dd\uc73c\ub85c \uad6c\ucd95 \uc6b4\uc601\ud558\ub2e4\uac00  \uc0c1\uae30 2)\ubc88 \ud604\uc0c1\uc73c\ub85c \uc778\ud574 XXX\uacf5\uc0ac, EXX\uace0\uac1d \ub4f1\uc774 Switch \uc7a5\ube44\ub85c  \uc7ac \uad6c\ucd95\uc744 \ud558\uc600\uace0, \ud604\uc7ac \uae4c\uc9c0 \ub3d9\uc77c\ud55c \ud604\uc0c1\uc740 \ubc1c\uc0dd\ub418\uc9c0 \uc54a\uc73c\uba70 \uc548\uc815\uc801\uc73c\ub85c \uc11c\ube44\uc2a4\ub97c \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>\n\t\t\t<\/div>\n<\/li>\n<\/ul>\n<p>\n&nbsp;<\/p>\n<p style=\"text-align: justify\"><span style=\"color:#0070c0\"><strong>\uadfc\uac70\ubb38\uc11c1. Oracle\u00ae Database Oracle Cluster ware and Oracle Real Application Clusters Administration and Deployment Guide10<em>g<\/em> Release 2 (10.2) \uba54\ub274\uc5bc\uc5d0\ub3c4&nbsp; \ub2e4\uc74c\uacfc \uac19\uc774 unsupport \ud55c\ub2e4\uace0 \uc124\uba85\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. <\/strong><br \/>\n\t\t<\/span><\/p>\n<p><strong><br \/>\n\t\t<\/strong>1&nbsp; Introduction to Oracle Clusterware and Oracle Real Application Clusters<br \/>&nbsp;&nbsp; &#8211;&nbsp; The Oracle Clusterware Architecture and Oracle Clusterware Processing<br \/>      Oracle recommends that you configure a redundant interconnect to prevent the  interconnect  from being a single point of failure. Oracle also recommends that you use User Datagram Protocol (UDP) on a Gigabit Ethernet for your cluster interconnect<span style=\"color:red\">. <strong>Crossover cables are not supported for use with the Oracle Cluster ware or RAC databases<br \/>\n<\/strong><\/span><\/p>\n<p>\n&nbsp;<\/p>\n<p style=\"text-align: justify\"><span style=\"color:#0070c0\"><strong>\uadfc\uac70\ubb38\uc11c2. Oracle Metalink &#8211; Note 220970.1 <\/strong><br \/>\n\t\t<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color:#0070c0\"><strong>RAC Frequently Asked Questions \uc73c\ub85c Crossover Cable\uc740 \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294\ub2e4\uace0 \uba85\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n<\/strong><\/span><\/p>\n<p style=\"text-align: justify\">\n&nbsp;<\/p>\n<p style=\"text-align: justify\"><strong>Q&gt; Is crossover cable supported as an interconnect with 9iRAC\/10gRAC on any platform ?<\/strong>\n\t<\/p>\n<p style=\"text-align: justify\"><strong>A&gt; NO. CROSS OVER CABLES ARE NOT SUPPORTED. <\/strong>\n\t<\/p>\n<p style=\"text-align: justify\">The requirement is to use a switch:\n<\/p>\n<p style=\"text-align: justify\">  Detailed Reasons:\n<\/p>\n<p style=\"text-align: justify\">    1) cross-cabling limits the expansion of RAC to two nodes\n<\/p>\n<p style=\"text-align: justify\">    2) cross-cabling is unstable:\n<\/p>\n<p style=\"text-align: justify\">       a) Some NIC cards do not work properly with it.\n<\/p>\n<p style=\"text-align: justify\">       b) Instability.  We have seen different problems\n<\/p>\n<p style=\"text-align: justify\">         e.g.ORA-29740 at configurations using crossover cable, and other errors.\n<\/p>\n<p style=\"text-align: justify\">  Due to the benefits and stability provided by a switch,\n<\/p>\n<p style=\"text-align: justify\">  and their afforability, this is the only supported configuration.\n<\/p>\n<p>\n&nbsp;<\/p>\n<p>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uace0\uac00\uc6a9\uc131\uc744 \uc704\ud55c Gigabit Switch \uad8c\uc7a5 &nbsp; \ud074\ub7ec\uc2a4\ud130\ub9c1 \uae30\ubc18\uc73c\ub85c Oracle RAC \ub97c \uad6c\ucd95\ud560 \ub54c, \uc2dc\uc2a4\ud15c\uac04\uc758 \ub370\uc774\ud130 \ud1b5\uc2e0\uc744 \uc704\ud574 High speed interconnector \ub97c Crossover Cable \ubc29\uc2dd\uc73c\ub85c \uad6c\ucd95\uc6b4\uc601\ud558\uba74 \ubd88\uc548\uc815\ud558\uae30 \ub54c\ubb38\uc5d0 \uc774\ub7ec\ud55c \uad6c\uc131 \ubc29\uc2dd\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ub418\ub294 \uc7a5\uc560\uc5d0 \ub300\ud574 \ubb38\uc81c \ucd94\uc801 \ubc0f \ud574\uacb0\uc744 \uc704\ud55c \uace0\uac1d\uc9c0\uc6d0(SR\ucc98\ub9ac)\uc744 \ubc1b\uc744 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. Switch \uac00 \uc694\uad6c\ub418\ub294 \uc774\uc720: 1) Cross-Cabling \uc740 2 \ub178\ub4dc \uc774\uc0c1 \ud655\uc7a5 \uc2dc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"categories":[14],"tags":[220,221,222,223],"jetpack_featured_media_url":"","amp_enabled":true,"_links":{"self":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/460"}],"collection":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=460"}],"version-history":[{"count":0,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/460\/revisions"}],"wp:attachment":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=460"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}