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{"id":103,"date":"2011-03-02T20:53:58","date_gmt":"2011-03-02T20:53:58","guid":{"rendered":"http:\/\/192.168.1.20\/wordpress\/freebsd\/2011\/03\/02\/gmirror\/"},"modified":"2015-01-25T01:52:41","modified_gmt":"2015-01-25T01:52:41","slug":"gmirror","status":"publish","type":"post","link":"http:\/\/uls.self.jp\/wordpress\/freebsd\/?p=103","title":{"rendered":"\u30b9\u30e9\u30a4\u30b9\u5358\u4f4d\u3067\u306egmirror"},"content":{"rendered":"<p>\u4ee5\u524d\u306b250GB\u306eHDD2\u53f0\u3092\u7528\u3044\u3066gmirror\u306e\u69cb\u6210\u3092\u3068\u308d\u3046\u3068\u3057\u305f\u6642\u3001\u6700\u521d\u306bFreeBSD\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305fHDD\u3088\u308a\u3001\u30df\u30e9\u30fc\u306e\u69cb\u6210\u3092\u7d44\u3082\u3046\u3068\u3059\u308b2\u53f0\u76ee\u306eHDD\u306e\u65b9\u304c\u3001\u6570\u30bb\u30af\u30bf\u30fc\u5c0f\u3055\u304f\u3001\u30df\u30e9\u30fc\u306b\u7d44\u307f\u8fbc\u3082\u3046\u3068\u3057\u305f\u3068\u304d\u306b\u62d2\u7d76\u3055\u308c\u305f\u3002\u305d\u3053\u3067\u3001\u518d\u5ea6\u5bb9\u91cf\u306e\u5c0f\u3055\u3044\u65b9\u306eHDD\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u76f4\u3059\u7fbd\u76ee\u306b\u9665\u3063\u3066\u3057\u307e\u3063\u305f\u3002<br \/>\n\u3057\u304b\u3057\u3001\u4eca\u65e5FreeBSD\u306eML\u3067\u3001\u8a73\u3057\u3044\u4eba\u304b\u3089\u30b9\u30e9\u30a4\u30b9\u5358\u4f4d\u3067\u3082gmirror\u304c\u69cb\u6210\u3067\u304d\u308b\u3053\u3068\u3092\u6559\u3048\u3066\u3082\u3089\u3044\u3001VMware\u3092\u7528\u3044\u3066\u5b9f\u9a13\u3057\u305f\u306e\u3067\u3001\u4ee5\u4e0b\u306b\u305d\u306e\u65b9\u6cd5\u3092\u8a18\u8ff0\u3057\u3066\u304a\u304f\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n<blockquote><p>\u8981\u70b9\u306f\u3001HDD2\u53f0\u3067\u30df\u30e9\u30fc\u3092\u7d44\u3080\u3068\u304d\u3001\u6700\u521d\u306bFreeBSD\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308bHDD\u306efdisk\u306b\u3088\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u30922\u53f0\u76ee\u306eHDD\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\u5168\u4f53\u5bb9\u91cf\u3088\u308a\u3001\u5c11\u3057\u5c0f\u3055\u304f\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u809d\u8981\u3067\u3042\u308b\u3002<br \/>\n\u306a\u304a\u3001HDD\u306e\u5bb9\u91cf\u3092\u6b63\u78ba\u306b\u3064\u304b\u3080\u306b\u306f\u3001diskinfo\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p><\/blockquote>\n<pre># diskinfo -v ad4\u3000\u30fb\u30fb\u30fb\u30fbad4\u3092\u8abf\u3079\u308b\u5834\u5408<\/pre>\n<h4>1. \u6e96\u5099\u3068FreeBSD\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<br \/><\/h4>\n<blockquote><p>VMware\u3067ad0(20GB)\u3068ad2(15GB)\u306e2\u3064\u306e\u4eee\u60f3HDD\u3092\u78ba\u4fdd\u3057(ad0 > ad2\u306b\u6ce8\u610f)\u3001fdisk\u3067ad0\u306b12GB\u306e\u9818\u57df(\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3)\u3092\u78ba\u4fdd\u3057\u3066FreeBSD 8.1\u306eCD\u3092 \u7528\u3044\u3066ad0\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3063\u305f\u3002<\/p><\/blockquote>\n<h4>2. Livefs CD\u3092\u7528\u3044\u3066gmirror\u3092\u8a2d\u5b9a<\/h4>\n<blockquote><p>(#Fixit\u306e\u30d6\u30ed\u30f3\u30d7\u30c8\u3092\u51fa\u3059\u307e\u3067\u306f\u3001<a href=\"http:\/\/uls.self.jp\/wordpress\/freebsd\/2009\/02\/25\/freebsdraid1mirror\/\">FreeBSD\u3067RAID1(mirror)\u306e\u8a2d\u5b9a<\/a>\u3092\u53c2\u7167)<br \/>\n\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3002gm0s1\u3001ad0s1\u3068\u30b9\u30e9\u30a4\u30b9\u3067\u6307\u5b9a\u3059\u308b\u306e\u304c\u3001\u30dc\u30ea\u30e5\u30fc\u30e0\u5168\u4f53\u306e\u30df\u30e9\u30fc\u3068\u7570\u306a\u308b\u3002\u3000<br \/>\n\u306a\u304a\u3001Livefs CD\u3092\u7528\u3044\u306a\u3044\u65b9\u6cd5\u3067\u3082\u8a66\u307f\u305f\u304c\u3046\u307e\u304fgmirror\u3092\u69cb\u6210\u3067\u304d\u306a\u304b\u3063\u305f\u3002<\/p><\/blockquote>\n<pre>Fixit# chroot \/dist\nFixit# kldload geom_mirror\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u2190 gmirror\u306eload\nFixit# exit\nFixit# gmirror label -b round-robin <font color=#ff0000>gm0s1 ad0s1<\/font>\u3000\u2190 round-robin\u3067\u30b9\u30e9\u30a4\u30b9\u30ec\u30d9\u30eb\u3067mirror\u3092\u69cb\u6210<\/pre>\n<p>Status\u3092\u8868\u793a\u3057\u3066\u307f\u308b\u3068\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3001\u30b9\u30e9\u30a4\u30b9\u30ec\u30d9\u30eb\u3067mirror\u6a5f\u80fd\u304c\u51fa\u6765\u3066\u3044\u308b\u3002<\/p>\n<pre>Fixit# gmirror status\n\u3000Name         Status   Components\n  mirror\/gm0s1  COMPLETE    ad0s1<\/pre>\n<h4>3. \/etc\/rc.conf\u3001\/etc\/fstab\u3001\/boot\/loader.conf\u306e\u4fee\u6b63<\/h4>\n<blockquote><p>(1) \/etc\/rc.conf\u306bswapoff=&#8221;YES&#8221;\u306e1\u884c\u3092\u8ffd\u52a0<br \/>\n(2) \/etc\/fstab\u3092vi\u3067\u958b\u304d\u3001ad0 \u2192 mirror\/gm0\u306b\u5909\u66f4<br \/>\n\u3000\u3000\u4f8b\uff09\/dev\/ad0s1a \u2192 \/dev\/mirror\/gm0s1a<br \/>\n\u3000\u3000\u3000\u3000\/dev\/ad0s1d \u2192 \/dev\/mirror\/gmos1d<br \/>\n \u3000vi \u3067fstab\u3092\u958b\u3044\u3066<br \/>\n\u3000:%s\/ad0\/mirror\\\/gmo\/ \u3068\u3057\u3066\u4e00\u62ec\u3057\u3066\u5909\u66f4\u3057\u3066\u4fdd\u5b58\u3059\u308b\u306e\u304c\u4fbf\u5229\u3067\u3042\u308b\u3002<br \/>\n(3) \/boot\/loaderconf\u306bgeom_mirror_load=&#8221;YES&#8221; \u306e1\u884c\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001shutdown\u3057\u3066\u3001HDD\u304b\u3089\u666e\u901a\u306b\u8d77\u52d5\u3002<\/p><\/blockquote>\n<h4>4. \u8d77\u52d5<\/h4>\n<p>\u8d77\u52d5\u3057\u305f\u3089sysinstall\u3067 configure \u2192 fdisk\u3067ad2\u3092\u9078\u3073\u3001\u30dc\u30ea\u30e5\u30fc\u30e0\u5168\u4f53(\u5c11\u306a\u304f\u3068\u3082ad0s1\u3067\u78ba\u4fdd\u3057\u305f\u3088\u308a\u5927\u304d\u304f)\u3092freebsd\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3068\u3057\u3066\u78ba\u4fdd\u3059\u308b\u3002\u4eca\u56de\u306e\u5b9f\u9a13\u3067\u306fad2\u306b\u306f\u30dc\u30ea\u30e5\u30fc\u30e0\u5168\u4f53\u306e15GB\u3092\u5272\u308a\u4ed8\u3051\u305f\u3002\u78ba\u4fdd\u3057\u305f\u3089\u3001&#8221;w&#8221;\u30ad\u30fc\u3092\u62bc\u3057\u3066\u30b9\u30e9\u30a4\u30b9\u60c5\u5831\u3092\u66f8\u304d\u8fbc\u3080\u3002<\/p>\n<h4>5. ad2s1\u306e\u8ffd\u52a0<\/h4>\n<pre># gmirror insert gm0s1 ad2s1<\/pre>\n<blockquote><p>\u3053\u308c\u3067\u3001\u540c\u671f\u5316\u304c\u59cb\u307e\u308b\u3001status\u3092\u898b\u308b\u3068\u3001<\/p><\/blockquote>\n<pre># gmirror status\n\u3000\u3000\u3000Name\u3000\u3000\u3000\u3000\u3000Status\u3000\u3000Components\n\u3000\u3000mirror\/gm0s1\u3000\u3000DEGRADED\u3000\u3000\u3000 ad0s1\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000 ad2s1(2%)<\/pre>\n<blockquote><p>\u3057\u3070\u3089\u304f\u3057\u3066\u3001gmirror\u306e\u540c\u671f\u304c\u5b8c\u4e86\u3059\u308b\u3002<br \/>\nswapinfo\u30b3\u30de\u30f3\u30c9\u3067swap\u9818\u57df\u3092\u898b\u308b\u3068\u3001\u3053\u308c\u3082\u7121\u4e8b\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b\u3002<\/p><\/blockquote>\n<pre># swapinfo\nDevice                          1K-blocks               Used            Avail Capacity\n\/dev\/mirror\/gm0s1b       490304                    0              490304     0%<\/pre>\n<p>\u5b8c\u4e86\u306e\u5f8c\u3001ad0\u3092\u53d6\u308a\u9664\u3044\u3066ad2\u3060\u3051\u3067\u3082\u7121\u4e8b\u8d77\u52d5\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u524d\u306b250GB\u306eHDD2\u53f0\u3092\u7528\u3044\u3066gmirror\u306e\u69cb\u6210\u3092\u3068\u308d\u3046\u3068\u3057\u305f\u6642\u3001\u6700\u521d\u306bFreeBSD\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305fHDD\u3088\u308a\u3001\u30df\u30e9\u30fc\u306e\u69cb\u6210\u3092\u7d44\u3082\u3046\u3068\u3059\u308b2\u53f0\u76ee\u306eHDD\u306e\u65b9\u304c\u3001\u6570\u30bb\u30af\u30bf\u30fc\u5c0f\u3055\u304f\u3001\u30df\u30e9\u30fc\u306b\u7d44\u307f\u8fbc\u3082\u3046\u3068\u3057\u305f\u3068\u304d\u306b &hellip; 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