{"id":984,"date":"2014-04-30T16:50:58","date_gmt":"2014-04-30T07:50:58","guid":{"rendered":"http:\/\/blog.systemworks.co.jp\/?p=984"},"modified":"2014-05-01T10:26:39","modified_gmt":"2014-05-01T01:26:39","slug":"power-master-nas-m8170%e3%81%b8ssd%e3%82%ad%e3%83%a3%e3%83%83%e3%82%b7%e3%83%a5%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%97%e3%81%a6%e3%81%bf%e3%81%be%e3%81%97%e3%81%9f%e3%80%82","status":"publish","type":"post","link":"https:\/\/blog.systemworks.co.jp\/?p=984","title":{"rendered":"SSD\u30ad\u30e3\u30c3\u30b7\u30e5(flashcache)\u306e\u52b9\u679c\u3092\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30bd\u30d5\u30c8IOzone\u3067\u691c\u8a3c\u3057\u3066\u307f\u307e\u3057\u305f"},"content":{"rendered":"<p>\u30df\u30cb\u30bf\u30ef\u30fc\u578b\u306e\u30b7\u30b9\u30c6\u30e0<a href=\"http:\/\/www.systemworks.co.jp\/pmn_m817x.php\">POWER MASTER NAS M8170<\/a>\u3078\u306f\u6700\u59272\u53f0\u306e2.5\u30a4\u30f3\u30c1HDD\/SSD\u306e\u8ffd\u52a0\u642d\u8f09\u304c\u53ef\u80fd\u3067\u30012.5\u30a4\u30f3\u30c1HDD\/SSD\u3092\u8ffd\u52a0\u3059\u308b\u3068OS\u7528\u30c9\u30e9\u30a4\u30d6\u3001SSD\u30ad\u30e3\u30c3\u30b7\u30e5\u7528\u306a\u3069\u306b\u7528\u9014\u306b\u5408\u308f\u305b\u3066\u8272\u3005\u306a\u4f7f\u3044\u65b9\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n<table style=\"height: 100px;\" border=\"0\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n<colgroup>\n<col width=\"256*\"><\/col>\n<\/colgroup>\n<tbody>\n<tr>\n<td width=\"100%\" valign=\"TOP\"><a href=\"https:\/\/blog.systemworks.co.jp\/wp-content\/uploads\/2014\/12\/T100-front.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1024 aligncentor\" title=\"T100-front\" src=\"https:\/\/blog.systemworks.co.jp\/wp-content\/uploads\/2014\/12\/T100-front.jpg\" alt=\"\" width=\"220\" height=\"247\" \/><\/a><\/td>\n<td><a href=\"https:\/\/blog.systemworks.co.jp\/wp-content\/uploads\/2014\/04\/T100-side2.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncentor\" title=\"T100-side2\" src=\"https:\/\/blog.systemworks.co.jp\/wp-content\/uploads\/2014\/04\/T100-side2.jpg\" alt=\"\" width=\"183\" height=\"271\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>POWER MASTER NAS M8170\u3078SSD\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u8ffd\u52a0\u3057\u305f\u5834\u5408\u306e\u52b9\u679c\u3092\u7c21\u5358\u306b\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>SSD\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u306f\u8272\u3005\u306a\u7a2e\u985e\u304c\u3042\u308a\u3001<a href=\"https:\/\/www.systemworks.co.jp\/ex_ssdcache.php\" target=\"_blank\">\u3053\u3053<\/a>\u3067\u3044\u304f\u3064\u304b\u306e\u4f8b\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u7528\u9014\u3084\u6c42\u3081\u308b\u6027\u80fd\u3001\u4e88\u7b97\u306b\u3088\u308a\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n<ul>\n<li>RAID\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3084S-ATA\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3078SSD\u3092\u53d6\u308a\u4ed8\u3051\u308b\u65b9\u6cd5(LSI CacheCade\u3001HighPoint Rocket Hybrid)<\/li>\n<li>Intel\u88fd\u30c1\u30c3\u30d7\u30bb\u30c3\u30c8\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u65b9\u6cd5(Intel Smart Response Technology)<\/li>\n<li>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u307f\u3067SSD\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u65b9\u6cd5(flashcache)<\/li>\n<\/ul>\n<p>POWER MASTER NAS M8170\u6a19\u6e96\u69cb\u6210\u3067\u306f\u3001NAS\u5c02\u7528OS\u300c<a href=\"http:\/\/www.freenas.org\/\">FreeNAS<\/a>\u300d\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304a\u308a\u3001FreeNAS\u3067\u3082SSD\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5229\u7528\u51fa\u6765\u307e\u3059\u3002<br \/>\n\u7528\u9014\u306b\u5fdc\u3058\u3066OS\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u51fa\u6765\u308b\u306e\u3067\u3001\u4eca\u56de\u3001CentOS6.5\u3078\u5909\u66f4\u3057Flashcache\u3092\u5229\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>Flashcache\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3001\u6628\u5e74\u79cb\u306b\u516c\u958b\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f33\u7cfb\u6700\u65b0\u7248\u3067\u3059\u3002<br \/>\n<a href=\"https:\/\/github.com\/facebook\/flashcache\/\" target=\"_blank\">https:\/\/github.com\/facebook\/flashcache\/<\/a><\/p>\n<p><strong>\u25ce \u691c\u8a3c\u3067\u5229\u7528\u3057\u305f\u74b0\u5883<\/strong><\/p>\n<p>POWER MASTER NAS M8170\u306b\u306f3.5\u30a4\u30f3\u30c1HDD\u30924\u53f0\u642d\u8f09\u51fa\u6765\u308b\u306e\u3067\u3001HDD1\u306b\u306fOS\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001HDD2\uff5eHDD4\u3067\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2RAID5\u69cb\u7bc9(EXT4\u3067\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3001\/mnt\u3078\u30de\u30a6\u30f3\u30c8)\u3057\u307e\u3057\u305f\u3002<br \/>\n2.5\u30a4\u30f3\u30c1HDD\/SSD\u306e\u8ffd\u52a0\u30b9\u30da\u30fc\u30b9\u306b\u306fSSD\u30921\u53f0\u53d6\u308a\u4ed8\u3051\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2RAID5\u30dc\u30ea\u30e5\u30fc\u30e0\u306eSDD\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002(\u30ad\u30e3\u30c3\u30b7\u30e5\u30e2\u30fc\u30c9\u306fwriteback\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30a4\u30ba\u306f40GB\u3067\u69cb\u7bc9\u3057\u307e\u3057\u305f\u3002)<\/p>\n<ul>\n<li>Xeon E3 1230V3<\/li>\n<li>\u30e1\u30e2\u30ea\u30004G<\/li>\n<li>HGST HDS723020BLA642 x1\u500b (OS\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb)<\/li>\n<li>Intel 520 x1\u500b(\u30ad\u30e3\u30c3\u30b7\u30e5\u7528SSD)<\/li>\n<li>HGST HDS723020BLA642 x3\u500b (\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2RAID5)<\/li>\n<\/ul>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n<colgroup>\n<col width=\"256*\"><\/col>\n<\/colgroup>\n<tbody>\n<tr>\n<td width=\"100%\" valign=\"TOP\"># mdadm &#8211;create \/dev\/md0 &#8211;level=5 &#8211;raid-devices=3 \/dev\/sd[cde]<br \/>\n# mkfs.ext4 \/dev\/md0<br \/>\n# flashcache_create -p back -s 40g cachedev \/dev\/sdb \/dev\/md0<br \/>\n# mount \/dev\/mapper\/cachedev \/mnt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>falashcache\u8a2d\u5b9a\u5f8c\u3001\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30bd\u30d5\u30c8<a href=\"http:\/\/www.iozone.org\/\" target=\"_blank\">IOzone<\/a>\u3067Random Read \/ Random Write \u3092\u8a08\u6e2c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n<colgroup>\n<col width=\"256*\"><\/col>\n<\/colgroup>\n<tbody>\n<tr>\n<td width=\"100%\" valign=\"TOP\"># iozone -I -i 0 -i 2  -s 1024 -r 4 -f \/mnt\/test_file1<br \/>\n# iozone -I -i 0 -i 2  -s 16382 -r 4 -f \/mnt\/test_file2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>IOzone\u3067\u306f\u6307\u5b9a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u307e\u3067\u3001\u6307\u5b9a\u30ec\u30b3\u30fc\u30c9\u30b5\u30a4\u30ba\u3067\u7e70\u308a\u8fd4\u3057\u8aad\u307f\u8fbc\u307f\/\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3044\u307e\u3059\u306e\u3067\u3001\u4e0a\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067\u306f\u3001<\/p>\n<ul>\n<li>4K\u30ec\u30b3\u30fc\u30c9\u3092\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba1024k\u306b\u306a\u308b\u307e\u3067\u7e70\u308a\u8fd4\u3059\u3001<\/li>\n<li>4K\u30ec\u30b3\u30fc\u30c9\u3092\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba16382k\u306b\u306a\u308b\u307e\u3067\u7e70\u308a\u8fd4\u3059\u3001<\/li>\n<\/ul>\n<p>\u52d5\u4f5c\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u25ce \u7d50\u679c<\/strong><br \/>\nRandom Write\u3067\u306f\u3001\u201dflashcache\u3042\u308a\u201d\u306e\u5834\u5408\/&#8221;flashcache\u306a\u3057&#8221;\u306e\u5834\u5408\u3068\u3067\u9855\u8457\u306a\u5dee\u304c\u307f\u3089\u308c\u307e\u3057\u305f\u3002<br \/>\nRandom Read\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba1024k\u306e\u5834\u5408\u3067&#8221;flashcache\u3042\u308a&#8221;\u306e\u65b9\u304c\u901f\u3044\u7d50\u679c\u3068\u306a\u308a\u307e\u3057\u305f\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba16382k\u306e\u5834\u5408\u3067\u306f&#8221;flashcache\u306a\u3057&#8221;\u306e\u5834\u5408\u3068\u307b\u307c\u540c\u3058\u7d50\u679c\u3068\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\nflashcache\u3092\u5229\u7528\u3057\u3066\u3044\u3066\u3082\u300116382k\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\/4k\u30ec\u30b3\u30fc\u30c9\u30b5\u30a4\u30ba\u306eRandom Read\u3067\u306f\u3001\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u304b\u3089\u8aad\u307f\u51fa\u3057\u304c\u3055\u308c\u3066\u3044\u305f\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<table style=\"height: 100px;\" border=\"0\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n<colgroup>\n<col width=\"256*\"><\/col>\n<\/colgroup>\n<tbody>\n<tr>\n<td width=\"100%\" valign=\"TOP\"><a href=\"https:\/\/blog.systemworks.co.jp\/wp-content\/uploads\/2014\/04\/file1024record4k_result.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1019\" title=\"file1024record4k_result\" src=\"https:\/\/blog.systemworks.co.jp\/wp-content\/uploads\/2014\/04\/file1024record4k_result.jpg\" alt=\"\" width=\"466\" height=\"270\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"height: 100px;\" border=\"0\" cellspacing=\"0\" cellpadding=\"4\" width=\"100%\">\n<colgroup>\n<col width=\"256*\"><\/col>\n<\/colgroup>\n<tbody>\n<tr>\n<td width=\"100%\" valign=\"TOP\"><a href=\"https:\/\/blog.systemworks.co.jp\/wp-content\/uploads\/2014\/04\/file16mrecord4k_result.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1020\" title=\"file16mrecord4k_result\" src=\"https:\/\/blog.systemworks.co.jp\/wp-content\/uploads\/2014\/04\/file16mrecord4k_result.jpg\" alt=\"\" width=\"466\" height=\"270\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7c21\u5358\u306a\u691c\u8a3c\u3067\u3057\u305f\u304c\u3001flashcache\u3092\u5229\u7528\u3059\u308b\u3068SSD\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306e\u52b9\u679c\u306b\u3088\u308a\u901f\u5ea6\u30a2\u30c3\u30d7\u304c\u307f\u3089\u308c\u307e\u3057\u305f\u3002\u305f\u3060\u3001\u8aad\u307f\u66f8\u304d\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\/\u30ec\u30b3\u30fc\u30c9\u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u306fSSD\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u679c\u304c\u307f\u3089\u308c\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u5229\u7528\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067SSD\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u679c\u304c\u307f\u3089\u308c\u308b\u304b\u691c\u8a3c\u304c\u5fc5\u8981\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30df\u30cb\u30bf\u30ef\u30fc\u578b\u306e\u30b7\u30b9\u30c6\u30e0POWER MASTER NAS M8170\u3078\u306f\u6700\u59272\u53f0\u306e2.5\u30a4\u30f3\u30c1HDD\/SSD\u306e\u8ffd\u52a0\u642d\u8f09\u304c\u53ef\u80fd\u3067\u30012.5\u30a4\u30f3\u30c1HDD\/SSD\u3092\u8ffd\u52a0\u3059\u308b\u3068OS\u7528\u30c9\u30e9\u30a4\u30d6\u3001SSD\u30ad\u30e3\u30c3\u30b7\u30e5\u7528\u306a\u3069\u306b\u7528\u9014\u306b\u5408\u308f\u305b\u3066\u8272 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,10,7],"tags":[],"class_list":["post-984","post","type-post","status-publish","format-standard","hentry","category-8","category-10","category-7"],"_links":{"self":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=984"}],"version-history":[{"count":94,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/984\/revisions"}],"predecessor-version":[{"id":986,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/984\/revisions\/986"}],"wp:attachment":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}