{"id":492,"date":"2010-10-22T11:43:24","date_gmt":"2010-10-22T02:43:24","guid":{"rendered":"http:\/\/blog.systemworks.co.jp\/?p=492"},"modified":"2010-10-22T21:59:49","modified_gmt":"2010-10-22T12:59:49","slug":"infiniband%e3%81%ab%e3%82%88%e3%82%8biscsi%e3%81%ae%e6%9b%b8%e8%be%bc%e3%81%bf%e9%80%9f%e5%ba%a6-%e7%b6%9a%e7%b7%a8","status":"publish","type":"post","link":"https:\/\/blog.systemworks.co.jp\/?p=492","title":{"rendered":"Infiniband\u306b\u3088\u308biSCSI\u306e\u66f8\u8fbc\u307f\u901f\u5ea6 (iSER\u8ee2\u9001)"},"content":{"rendered":"

\"Infiniband<\/a>\u25a0\u30c6\u30b9\u30c8\u74b0\u5883
\nNFS\u30b5\u30fc\u30d0\u304a\u3088\u3073NFS\u30af\u30e9\u30a4\u30a2\u30f3\u30c8
\nMB: Supermicro X8DTi
\nChipset: INTEL 5520
\nCPU: Xeon E5520 x1
\nMEM: 24GB (8GB DDR3-1333 Reg x 3)<\/p>\n

\u30a4\u30f3\u30bf\u30fc\u30b3\u30cd\u30af\u30c8
\nInfiniband DDR (20GBase): Mellanox MHGS18-XTC
\n(IPoIB\u306b\u3066HCA\u30dd\u30fc\u30c8\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a)<\/p>\n

OS: CentOS 5.4 x86_64
\n\u30db\u30b9\u30c8\u30b9\u30bf\u30c3\u30af: OFED 1.5.2<\/p>\n

\u25a0\u74b0\u5883\u8a2d\u5b9a
\niSCSI Target
\nkernel\u30d1\u30e9\u30e1\u30fc\u30bf ramdisk_size=20971520 \u3067\u8d77\u52d5\u3057\u300120GB\u306eramdisk\u3092Target\u3068\u3059\u308b\u3002<\/p>\n

iSCSI Initiator
\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)
\niSCSI Target\u30c7\u30d0\u30a4\u30b9\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092ext3\u306b\u3057\/mnt\u306b\u30de\u30a6\u30f3\u30c8\u3059\u308b\u3002<\/p>\n

\u25a0\u30c6\u30b9\u30c8\u65b9\u6cd5
\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

#!\/bin\/sh
\nLOOP=50
\nDIR=\/mnt<\/p>\n

COUNT=0
\nwhile [ $COUNT -lt $LOOP ]
\ndo
\ndd if=\/dev\/zero of=$DIR\/$COUNT bs=32768 count=6400
\nlet COUNT=COUNT+1
\ndone<\/p>\n

\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

\u25a0\u4e8b\u524d\u30c6\u30b9\u30c8
\niSCSI Target\u30ed\u30fc\u30ab\u30eb\u3067ramdisk\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092ext3\u306b\u3057\u3066\u66f8\u8fbc\u307f\u901f\u5ea6\u3092\u8a08\u6e2c\u3057\u3066\u304a\u304f\u3002
\n\u8a08\u6e2c\u65b9\u6cd5\u306f\u540c\u3058\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3046\u3002
\n[TABLE=3]<\/p>\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

\u25a0\u7d50\u679c
\n[TABLE=9]<\/p>\n

\u25a0\u8a55\u4fa1
\n\u901f\u3044\u3067\u3059\u3002\u3059\u3054\u3044\u3067\u3059\u306d\u3002
\n \u524d\u56de\u306e\u8a08\u6e2c\u7d50\u679c<\/a>\u3067\u306f\u3001OS\u6a19\u6e96\u306e\u30db\u30b9\u30c8\u30b9\u30bf\u30c3\u30af\u3092\u5229\u7528\u3057\u307e\u3057\u305f\u3002
\n\u4eca\u56de\u306fOFED\u672c\u5bb6\u306e\u30db\u30b9\u30c8\u30b9\u30bf\u30c3\u30af\u3092\u5229\u7528\u3057\u3066\u8a08\u6e2c\u3092\u3057\u307e\u3057\u305f\u3002\u7406\u7531\u306f\u6700\u65b0\u306e\u30db\u30b9\u30c8\u30b9\u30bf\u30c3\u30af\u306b\u542b\u307e\u308c\u308b\u3001iSER\uff08iSCSI Extensions for RDMA\uff09\u306e\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u3067\u306e\u8a08\u6e2c\u3067\u3059\u3002
\n\u74b0\u5883\u69cb\u7bc9\u306e\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u3001iSER\u304c\u52d5\u4f5c\u3059\u308b\u74b0\u5883\u306fOS\u3084\u30ab\u30fc\u30cd\u30eb\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5236\u9650\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002(OFED\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167)
\n\u4eca\u56de\u306fDDR\u306b\u3066\u8a08\u6e2c\u3092\u3057\u307e\u3057\u305f\u304c\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u74b0\u5883\u304c\u540c\u3058\u3067HCA\u3092SDR\u3067\u306e\u8a08\u6e2c\u3082\u6b21\u56de\u884c\u3044\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\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 E5520 x1 MEM: 24GB (8GB DDR3-1333 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-492","post","type-post","status-publish","format-standard","hentry","category-7"],"_links":{"self":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/492","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=492"}],"version-history":[{"count":8,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/492\/revisions"}],"predecessor-version":[{"id":496,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/492\/revisions\/496"}],"wp:attachment":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}