{"id":5782,"date":"2013-11-09T22:45:46","date_gmt":"2013-11-09T13:45:46","guid":{"rendered":"http:\/\/www.climb.co.jp\/blog_vmware\/?p=5782"},"modified":"2013-11-09T22:46:57","modified_gmt":"2013-11-09T13:46:57","slug":"vmfs-vs-rdm%e3%81%a9%e3%81%a1%e3%82%89%e3%81%ae%e3%82%af%e3%83%a9%e3%82%b9%e3%82%bf%e3%83%bb%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%83%bb%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%81%8c%e6%9c%80","status":"publish","type":"post","link":"https:\/\/www.climb.co.jp\/blog_vmware\/vmware-5782","title":{"rendered":"VMFS vs. RDM:\u3069\u3061\u3089\u306e\u30af\u30e9\u30b9\u30bf\u30fb\u30d5\u30a1\u30a4\u30eb\u30fb\u30b7\u30b9\u30c6\u30e0\u304c\u6700\u9069\u5316\u304b\uff1f\u3010VMware\u3011"},"content":{"rendered":"

\u3069\u306e\u3088\u3046\u306bVirtual Machine File System\u306f\u7a3c\u50cd\u3059\u308b\u306e\u304b\uff1f<\/strong>
\nVMFS\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306fVMkernel\u304c\u30c7\u30a3\u30b9\u30af\u3092\u4f7f\u7528\u3059\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u624b\u6cd5\u3067\u3059\u3002\u30c7\u30a3\u30b9\u30af\u306fVMkernel\u3067\u30d1\u30c6\u30a3\u30b7\u30e7\u30f3\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3055\u308c\u307e\u3059\u3002VMkernel\u306e\u307f\u304c\u30ea\u30fc\u30c9\u3067\u304d\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3068\u547c\u3070\u308c\u307e\u3059\u3002VMFS\u306e\u5229\u70b9\u306fSAN(storage-area network)\u74b0\u5883\u3067\u30b7\u30f3\u30b0\u30eb\u30fb\u30c7\u30a3\u30b9\u30af, LUN(logical unit number)\u3068\u3057\u3066\u8907\u6570\u306eVM\uff08\u4eee\u60f3\u30de\u30b7\u30f3\uff09\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

1\u3064\u306eLUN\u3067\u3044\u304f\u3064\u304b\u307e\u3067\u306eVM\u3092\u30a2\u30b5\u30a4\u30f3\u3067\u304d\u308b\u304b\u306e\u8b70\u8ad6\u306f\u5225\u306b\u3057\u30661\u3064\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3067\u5e73\u5747\u306f12VM\u3067\u3059\u3002\u57fa\u672c\u7684\u306b\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306f\u8907\u6570\u306eVM\u3092\u4fdd\u6301\u3057\u3001\u5404VM\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u3059\u3079\u3066\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u306fVM\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30fb\u30b3\u30f3\u30d5\u30a3\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u30ea\u30b9\u30c8\u3059\u308bVMX\u30d5\u30a1\u30a4\u30eb\u3001VM\u306e\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306eVMDK\u30d5\u30a1\u30a4\u30eb\u3001VM\u3092\u69cb\u6210\u3059\u308b\u7a2e\u3005\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n

\u3069\u306e\u3088\u3046\u306bRaw Device Mapping\u306f\u7a3c\u50cd\u3059\u308b\u304b\uff1a<\/strong>
\nRDM\u3067\u3001VMkernel\u306fLUN\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306bVM\u30b2\u30b9\u30c8OS\u304cLUN\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u307e\u3059\u3002\u5404RDM\u306f\u30b7\u30f3\u30b0\u30ebVM\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u3067\u3001\u901a\u5e38\u306f1\u3064\u306eVM\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002RDM\u306fVM\u7528\u306bVMDK\u306e\u306e\u4ee3\u308f\u308a\u3092\u3057\u307e\u3059\u3002\u3053\u308c\u306fVM\u306e\u30c7\u30a3\u30b9\u30af\u30fb\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3053\u308c\u306fVM\u3092\u69cb\u6210\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u304c\u4fdd\u5b58\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306b\u4fdd\u5b58\u304c\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u306fRDM\u304b\u3089\u5206\u96e2\u3055\u308c\u307e\u3059\u3002<\/p>\n

RDM\u306f\u6642\u3005VMFS\u4e0a\u306eVMDK\u30d5\u30a1\u30a4\u30eb\u3088\u308a\u30d5\u30a1\u30a4\u30eb\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u30aa\u30fc\u30d0\u30d8\u30c3\u30c9\u304c\u5c11\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3088\u308a\u826f\u3044\u30d1\u30d5\u30a9\u30fc\u30ca\u30f3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u30c7\u30a3\u30d7\u30ed\u30a4\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u7279\u5b9a\u306e\u4f7f\u7528\u3067\u306fRDM\u306fVMFS\u3088\u308a\u5c11\u3057\u9045\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057VM\u304c\u6700\u9ad8\u306e\u30c7\u30a3\u30b9\u30af\u30fb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5fc5\u8981\u3067\u3042\u308c\u3070\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3092VMDK\u30d5\u30a1\u30a4\u30eb\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n

\u3069\u306e\u3088\u3046\u306bVMFS\u304b RDM\u304b\u3092\u9078\u629e\u3059\u308b\u304b\u3002<\/strong>
\nvSphere\u3067RDM\u304c\u5fc5\u8981\u306a\u30b1\u30fc\u30b9\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n

1.Microsoft Failover Cluster Services(MSCS).<\/strong> MSCS\u306f\u9055\u3063\u305fESXi\u30db\u30b9\u30c8\u4e0a\u3067VM\u304b\u3089\u306e\u30af\u30e9\u30b9\u30bf\u3067\u69cb\u7bc9\u3055\u308c\u305f\u5171\u6709\u30c7\u30a3\u30b9\u30af\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u5171\u6709\u30c7\u30a3\u30b9\u30af\u306fVMDK\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u306a\u308c\u307e\u305b\u3093\u3002\u3082\u3057\u30b9\u30c8\u30ec\u30fc\u30b8\u304cFC(Fibre Channel)\u3067\u3042\u308c\u3070RDM\u304c\u5fc5\u8981\u3067\u3059\u3002\u69cb\u6210\u304c\u975e\u5e38\u306b\u8907\u96d1\u306a\u306e\u3067MSCS\u306b\u95a2\u3057\u3066\u306fVMware\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305fvSphere HA\u304c\u7d14\u5206\u3067\u306a\u3044\u6642\u306b\u3001\u672c\u5f53\u306bMSCS\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3092\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

2.\u30b9\u30c8\u30ec\u30fc\u30b8\u30fb\u30a8\u30ea\u30a2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30afQoS(Quality of Service)<\/strong>\uff1aESXi\u30b5\u30fc\u30d0\u3067\u306f\u306a\u304f\u30011\u3064\u306eVM\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306bQoS\u3092\u9069\u5fdc\u3055\u305b\u308b\u305f\u3081\u306eSAN\u30d5\u30a1\u30d6\u30ea\u30c3\u30af\u7528\u306b\u306fVM\u306fNPIV(N_Port Identity Virtualization)\u3068\u547c\u3076\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u30e6\u30cb\u30fc\u30af\u306aFibre Channel ID \u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002NPIV\u306fVM\u30c7\u30a3\u30b9\u30af\u304cRDM\u306e\u6642\u306e\u307f\u9069\u5fdc\u3055\u308c\u307e\u3059\u3002<\/p>\n

3.VM\u304b\u3089FC\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u7ba1\u7406<\/strong>\uff1a\u30b9\u30c8\u30ec\u30fc\u30b8\u30fb\u30a2\u30ec\u30fc\u306e\u3044\u304f\u3064\u304b\u306fFC\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u306eLUN\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002VM\u5185\u306e\u30b3\u30f3\u30d5\u30a3\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30fb\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u7a3c\u50cd\u3055\u305b\u308b\u306b\u3001\u305d\u308c\u3089\u306e\u7ba1\u7406LUN\u306fRDM\u3068\u3057\u3066VM\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\uff08\u3053\u308c\u306f\u4e00\u822c\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30cf\u30a4\u30a8\u30f3\u30c9\u306eEMC\u30b9\u30c8\u30ec\u30fc\u30b8\u3067\u3042\u308a\u307e\u3057\u305f\u3002\uff09<\/p>\n

4.\u5927\u5bb9\u91cfVM\u30c7\u30a3\u30b9\u30af<\/strong>\uff1a\u6700\u5927VMDK\u30d5\u30a1\u30a4\u30eb2TB\u307e\u3067\u4f5c\u6210\u3067\u304d\u307e\u3059\u304c\u3001\u5358\u4e00\u306eRDM\u306f\u6700\u592764TB\u307e\u3067\u3067\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30b5\u30a4\u30ba\u3068\u30ea\u30b9\u30c8\u30a2\u306b\u3069\u306e\u304f\u3089\u3044\u6642\u9593\u304c\u304b\u304b\u308b\u304b\u3092\u8003\u616e\u3059\u308b\u6642\u306b\u5927\u5bb9\u91cf\u30c7\u30a3\u30b9\u30af\u3092\u6301\u3064VM\u304c\u6700\u9069\u3067\u3042\u308b\u3068\u6c7a\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

RDM\u306e\u6700\u5927\u306e\u5236\u9650\u306f1 x LUN\u304c1 x VM\u30c7\u30a3\u30b9\u30af\u306e\u307f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3067\u306fLUN\u306fVMDK\u30d5\u30a1\u30a4\u30eb\u306720 x VM\u30c7\u30a3\u30b9\u30af\u3092\u4fdd\u6301\u53ef\u80fd\u3067\u3059\u3002RDM\u3067\u306fESXi\u30b5\u30fc\u30d0\u304c255LUN\u307e\u3067\u3092\u53d6\u6271\u3044\u53ef\u80fd\u3067\u3001DRS\u3068HA\u30af\u30e9\u30b9\u30bf\u306f\u540c\u3058LUN\u3092\u53c2\u7167\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3059\u3079\u3066RDM\u3092\u4f7f\u7528\u3059\u308c\u3070254 RDM VM\u30c7\u30a3\u30b9\u30af\u7528\u306e\u30b9\u30da\u30fc\u30b9\u3001\u30d7\u30e9\u30b9VM\u30d5\u30a1\u30a4\u30eb\u75281 x \u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306e\u307f\u306b\u306a\u308a\u307e\u3059\u3002VMFS\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3067\u306f255 x LUN\u3067\u6570\u5343\u306eVM\u30c7\u30a3\u30b9\u30af\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

RDM\u3092\u4f7f\u7528\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3044\u304f\u3064\u304b\u306e\u30b1\u30fc\u30b9\u3067\u5fc5\u8981\u3067\u3059\u3002\u3057\u304b\u3057\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306e\u9078\u629e\u306f\u3067\u304d\u308b\u3060\u3051VMFS\u3092\u4f7f\u7528\u3057\u3066\u3001VMDK\u30d5\u30a1\u30a4\u30eb\u306bVM\u30c7\u30a3\u30b9\u30af\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

\u51fa\u5178\uff1aSearchVMware<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3069\u306e\u3088\u3046\u306bVirtual Machine File System\u306f\u7a3c\u50cd\u3059\u308b\u306e\u304b\uff1f … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[3,11],"tags":[16,83],"class_list":["post-5782","post","type-post","status-publish","format-standard","hentry","category-vmware","category-vsphere","tag-rdm","tag-vmfs"],"views":85333,"_links":{"self":[{"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/posts\/5782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/comments?post=5782"}],"version-history":[{"count":4,"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/posts\/5782\/revisions"}],"predecessor-version":[{"id":5786,"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/posts\/5782\/revisions\/5786"}],"wp:attachment":[{"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/media?parent=5782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/categories?post=5782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.climb.co.jp\/blog_vmware\/wp-json\/wp\/v2\/tags?post=5782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}