{"id":417,"date":"2010-04-20T17:37:34","date_gmt":"2010-04-20T08:37:34","guid":{"rendered":"http:\/\/blog.systemworks.co.jp\/?p=417"},"modified":"2010-10-15T13:19:56","modified_gmt":"2010-10-15T04:19:56","slug":"nfs%e3%81%ae%e6%9b%b8%e8%be%bc%e3%81%bf%e9%80%9f%e5%ba%a6-infiniband-sdrddr","status":"publish","type":"post","link":"https:\/\/blog.systemworks.co.jp\/?p=417","title":{"rendered":"NFS\u306e\u66f8\u8fbc\u307f\u901f\u5ea6 (Infiniband SDR\/DDR)"},"content":{"rendered":"<p>\u25a0\u30c6\u30b9\u30c8\u74b0\u5883<br \/>\nNFS\u30b5\u30fc\u30d0\u304a\u3088\u3073NFS\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<br \/>\nMB: Supermicro X8DTi<br \/>\nChipset: INTEL 5520<br \/>\nCPU: Xeon L5530 x2<br \/>\nMEM: 24GB (4GB DDR3-1333 Reg x 6)<\/p>\n<p>\u30a4\u30f3\u30bf\u30fc\u30b3\u30cd\u30af\u30c8<br \/>\nInfiniband SDR (10GBase): Mellanox MHES18-XTC<br \/>\nInfiniband DDR (20GBase): Mellanox MHGS18-XTC<br \/>\n(IPoIB\u306b\u3066HCA\u30dd\u30fc\u30c8\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a)<\/p>\n<p>OS: CentOS 5.3 x86_64<br \/>\n\u30db\u30b9\u30c8\u30b9\u30bf\u30c3\u30af: Mellanox OFED 1.4<\/p>\n<p>\u25a0\u74b0\u5883\u8a2d\u5b9a<br \/>\nNFS\u30b5\u30fc\u30d0<br \/>\nkernel\u30d1\u30e9\u30e1\u30fc\u30bf ramdisk_size=20971520 \u3067\u8d77\u52d5\u3057\u300120GB\u306eramdisk\u306bext3\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3057\u3066 \/mnt \u306b\u30de\u30a6\u30f3\u30c8\u3059\u308b\u3002<br \/>\n\/etc\/exports \u8a2d\u5b9a\u306f\u4ee5\u4e0b\u3068\u3059\u308b\u3002<br \/>\n\/mnt\u00a0\u00a0 *(rw,sync,no_root_squash)<\/p>\n<p>NFS\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<br \/>\nkernel\u30d1\u30e9\u30e1\u30fc\u30bf mem=1024m \u3067\u8d77\u52d5\u3057\u3001OS\u4e0a\u306e\u30e1\u30e2\u30ea\u5bb9\u91cf\u30921GB\u3068\u3059\u308b\u3002\u3000(\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306epagecache\u52b9\u679c\u3092\u5c11\u306a\u304f\u3059\u308b\u305f\u3081)<\/p>\n<p>\u25a0\u30c6\u30b9\u30c8\u65b9\u6cd5<br \/>\n200MB\u30d5\u30a1\u30a4\u30eb\u3092\u9023\u7d9a50\u56de\u66f8\u51fa\u3057\u3092\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7528\u610f\u3059\u308b\u3002<\/p>\n<p>#!\/bin\/sh<br \/>\nLOOP=50<br \/>\nDIR=\/mnt<\/p>\n<p>COUNT=0<br \/>\nwhile [ $COUNT -lt $LOOP ]<br \/>\ndo<br \/>\ndd if=\/dev\/zero of=$DIR\/$COUNT bs=32768 count=6400<br \/>\nlet COUNT=COUNT+1<br \/>\ndone<\/p>\n<p>\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092time\u30b3\u30de\u30f3\u30c9\u306e\u5f15\u6570\u3068\u3057\u3066\u5b9f\u884c\u3057real\u5024\u304b\u3089\u901f\u5ea6\u3092\u7b97\u51fa\u3059\u308b\u3002<\/p>\n<p>\u25a0\u4e8b\u524d\u30c6\u30b9\u30c8<br \/>\nNFS\u30b5\u30fc\u30d0\u4e0a\u3067ramdisk\u306e\u66f8\u8fbc\u307f\u901f\u5ea6\u3092\u8a08\u6e2c\u3059\u308b\u3002<br \/>\n\u8a08\u6e2c\u65b9\u6cd5\u306f\u540c\u3058\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3046\u3002<br \/>\n[TABLE=3]<br \/>\n\u30c7\u30a3\u30b9\u30af\u5074\u306e\u5f8b\u901f\u304c\u3053\u306e\u5024\u307e\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u524d\u63d0\u3068\u3059\u308b\u3002<\/p>\n<p>\u25a0\u7d50\u679c<br \/>\n[TABLE=5]<br \/>\nIPoIB\u3067\u306eMTU\u306f65520\u304cDefault\u5024<\/p>\n<p>\u25a0\u8a55\u4fa1<br \/>\n\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6027\u80fd\u6e2c\u5b9a\u30c4\u30fc\u30eb iperf \u3067\u306f\u3001SDR\u30677.86Gbps\u7a0b\u5ea6 DDR\u30679.54Gbps\u7a0b\u5ea6\u3068\u306a\u3063\u3066\u3044\u308b\u3002<br \/>\n\u3044\u305a\u308c\u3082\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u306eNFS\u66f8\u8fbc\u307f\u304c270MB\/s\u7a0b\u5ea6\u3068\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001CentOS 5.3\u6a19\u6e96\u8a2d\u5b9a\u3067\u306e\u5f8b\u901f\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<br \/>\n\u4eca\u56de\u306fCentOS 5.3\u306e\u6a19\u6e96\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u6bd4\u8f03\u3057\u3066\u3044\u308b\u304c\u3001\u3055\u3089\u306b\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u901f\u5ea6\u5411\u4e0a\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0\u30c6\u30b9\u30c8\u74b0\u5883 NFS\u30b5\u30fc\u30d0\u304a\u3088\u3073NFS\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 MB: Supermicro X8DTi Chipset: INTEL 5520 CPU: Xeon L5530 x2 MEM: 24GB (4GB DDR3-1333 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,7],"tags":[],"class_list":["post-417","post","type-post","status-publish","format-standard","hentry","category-pc","category-7"],"_links":{"self":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/417","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=417"}],"version-history":[{"count":7,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/417\/revisions"}],"predecessor-version":[{"id":425,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/417\/revisions\/425"}],"wp:attachment":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}