NFS\u306f\u3001Linux\u3067\u306f\u6a19\u6e96\u7684\u306a\u5171\u6709\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u4eca\u56de\u304b\u3089\u6570\u56de\u306b\u6e21\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30b3\u30cd\u30af\u30c8\u304cNFS\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3069\u3046\u5f71\u97ff\u304c\u51fa\u308b\u306e\u304b\u691c\u8a3c\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n
\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 L5530 x2
\nMEM: 24GB (4GB DDR3-1333 Reg x 6)<\/p>\n
\u30a4\u30f3\u30bf\u30fc\u30b3\u30cd\u30af\u30c8
\n1000Base: \u30aa\u30f3\u30dc\u30fc\u30c9 (Intel 82576)<\/p>\n
OS: CentOS 5.3 x86_64<\/p>\n
\u25a0\u74b0\u5883\u8a2d\u5b9a
\nNFS\u30b5\u30fc\u30d0
\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
\n\/etc\/exports \u8a2d\u5b9a\u306f\u4ee5\u4e0b\u3068\u3059\u308b\u3002
\n\/mnt\u00a0\u00a0 *(rw,sync,no_root_squash)<\/p>\n
NFS\u30af\u30e9\u30a4\u30a2\u30f3\u30c8
\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
\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
\nNFS\u30b5\u30fc\u30d0\u4e0a\u3067ramdisk\u306e\u66f8\u8fbc\u307f\u901f\u5ea6\u3092\u8a08\u6e2c\u3059\u308b\u3002
\n\u8a08\u6e2c\u65b9\u6cd5\u306f\u540c\u3058\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3046\u3002
\n[TABLE=3]
\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=2]<\/p>\n
\u25a0\u8a55\u4fa1
\n1000Base\u3000Ethernet\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6027\u80fd\u6e2c\u5b9a\u30c4\u30fc\u30eb iperf \u3067\u306f940Mbps\u7a0b\u5ea6\u3068\u306a\u308abyte\u3067\u306f117.5MB\/s\u3068\u306a\u308b\u3002
\n1000Base\u3000Ethernet\u3067\u306f\u3001\u4eca\u56de\u306e\u7d50\u679c\u306f\u59a5\u5f53\u3068\u601d\u308f\u308c\u307e\u3059\u3002
\n\u6b21\u56de\u306f\u3001IPoIB (infiniband)\u3000\u3067\u30c6\u30b9\u30c8\u3092\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
NFS\u306f\u3001Linux\u3067\u306f\u6a19\u6e96\u7684\u306a\u5171\u6709\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u4eca\u56de\u304b\u3089\u6570\u56de\u306b\u6e21\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30b3\u30cd\u30af\u30c8\u304cNFS\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3069\u3046\u5f71\u97ff\u304c\u51fa\u308b\u306e\u304b\u691c\u8a3c\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002 \u25a0\u30c6\u30b9\u30c8\u74b0\u5883 NFS\u30b5\u30fc\u30d0\u304a\u3088\u3073NFS\u30af\u30e9\u30a4\u30a2 […]<\/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-318","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\/318","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=318"}],"version-history":[{"count":39,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/318\/revisions"}],"predecessor-version":[{"id":499,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/318\/revisions\/499"}],"wp:attachment":[{"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.systemworks.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}