{"id":1298,"date":"2017-08-14T18:14:41","date_gmt":"2017-08-14T10:14:41","guid":{"rendered":"http:\/\/www.yaoge123.com\/blog\/?p=1298"},"modified":"2020-03-15T11:00:15","modified_gmt":"2020-03-15T03:00:15","slug":"gpfs-%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.yaoge123.com\/blog\/archives\/1298","title":{"rendered":"GPFS \u4f18\u5316"},"content":{"rendered":"
    \n
  1. \u6240\u6709\u8282\u70b9\u9700\u548c\u540c\u4e00\u4e2a\u65f6\u949f\u6e90\u4e25\u683c\u540c\u6b65\u65f6\u949f<\/li>\n
  2. \u4e00\u4e9b\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u5728defaultHelperNodes\u4e0a\u9762\u8fd0\u884c\uff0c\u9ed8\u8ba4\u662f\u6240\u6709\u8282\u70b9\uff0c\u8bbe\u7f6e\u4e3aNSD\u8282\u70b9\u53ef\u80fd\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd<\/li>\n
  3. maxMBpS\u662f\u6bcf\u4e2a\u8282\u70b9\u7684GPFS\u7684\u541e\u5410\u91cf\uff0c\u53ef\u8bbe\u7f6e\u4e3a\u8282\u70b9IO\u541e\u5410\u91cf\u7684\u4e24\u500d\uff0c\u7279\u522b\u662fIO\u8282\u70b9\n
      \n
    1. \u9ed8\u8ba4\u662f2048\uff1b\u5355\u8defFDR\u8bbe\u7f6e1200\uff0c\u5355\u8defQDR\u8bbe\u7f6e8000\uff0c\u53cc\u8def\u4e07\u5146\u8bbe\u7f6e5000<\/li>\n<\/ol>\n<\/li>\n
    2. GPFS\u7684NSD\u8282\u70b9\u5982\u4e3a\u4e13\u7528IO\u8282\u70b9\uff0cNSD\u8282\u70b9\u6ca1\u6709\u6570\u636e\u8bbf\u95ee\u5219\u4e0d\u4f1a\u7f13\u5b58\u4efb\u4f55\u6570\u636e\uff0c\u4f46\u662f\u7f13\u5b58\u53ef\u4ee5\u4e3aNSD\u5de5\u4f5c\u7ebf\u7a0b\u6240\u7528\uff0c\u6545\u53ef\u8fdb\u884c\u5982\u4e0b\u4f18\u5316\uff1a\n
        \n
      1. \u589e\u52a0pagepool\u7684\u5927\u5c0f<\/li>\n
      2. \u5c06nsdBufSpace\u8bbe\u7f6e\u4e3a\u6700\u5927\u503c\uff0870%\uff09<\/li>\n<\/ol>\n<\/li>\n
      3. \u78c1\u76d8\u7cfb\u7edf\u4f18\u5316\n
          \n
        1. RAID segment size \u00d7 \u6570\u636e\u76d8\u4e2a\u6570 = stripe size\uff0cGPFS block size\u5e94\u6574\u500d\u6570\u4e8estripe size<\/li>\n
        2. GPFS block size\u5e94\u6574\u500d\u6570\u4e8eHBA\u5361\u6700\u5927IO\u5c3a\u5bf8<\/li>\n
        3. \u6700\u597d\u500d\u6570\u90fd\u662f1<\/li>\n
        4. \/sys\/block\/*\/queue\/max_sectors_kb<\/li>\n<\/ol>\n<\/li>\n
        5.  \u5b58\u50a8\u7684\u7f13\u5b58\u7b56\u7565\n
            \n
          1. \u987a\u5e8fIO\u8d1f\u8f7d\uff1a\u542f\u7528\u8bfb\u7f13\u5b58\uff0c\u7981\u7528\u4efb\u4f55\u5f62\u5f0f\u7684\u9884\u8bfb<\/li>\n
          2. \u968f\u673aIO\u8d1f\u8f7d\u548cMetadata\uff1a\u542f\u7528\u8bfb\u5199\u7f13\u5b58<\/li>\n<\/ol>\n<\/li>\n
          3.  \u5bf9\u4e8e\u4f7f\u7528\u5927\u91cf\u6587\u4ef6\u7684GPFS\u8282\u70b9\uff0c\u7279\u522b\u662f\u767b\u5f55\u8282\u70b9\u3001NFS\/SMB\u8f93\u51fa\u8282\u70b9\u3001\u767b\u5f55\u8282\u70b9\uff0c\u53ef\u8fdb\u884c\u5982\u4e0b\u4f18\u5316\uff1a\n
              \n
            1. \u63d0\u9ad8maxFilesToCache\u7684\u503c\uff0c\u8fd9\u662f\u7f13\u5b58\u6587\u4ef6metadata\u7684\u6570\u91cf\uff0c\u6700\u597d\u80fd\u63d0\u9ad8\u5230\u5e76\u53d1\u6253\u5f00\u6587\u4ef6\u6570\u52a0\u4e0a\u6700\u8fd1\u4f7f\u7528\u7684\u6587\u4ef6\u6570<\/li>\n
            2. \u5728Linux\u4e0a\u9762maxStatCache\u662f\u65e0\u6548\u7684\uff0c\u6240\u4ee5\u9700\u8981\u8bbe\u5b9amaxStatCache\u4e3a\u4e00\u4e2a\u8f83\u5c0f\u7684\u503c\uff0c\u5982512<\/li>\n
            3. \u6309\u7167maxFilesToCache \u00d7 3 KB + maxStatCache \u00d7 400 bytes\u4f30\u7b97\u5185\u5b58\u6d88\u8017\uff0c\u589e\u52a0\u7684\u5185\u5b58\u4e0d\u5728pagepool\u4e2d<\/li>\n
            4. \u589e\u52a0pagepool\u7684\u5927\u5c0f\uff0c\u4fee\u6539pagepoolMaxPhysMemPct\u53ef\u63d0\u9ad8pagepool\u7684\u4e0a\u9650<\/li>\n<\/ol>\n<\/li>\n
            5. \u7f51\u7edc\u4f18\u5316\n
                \n
              1. net.core.rmem_max = 8388608
                \nnet.core.wmem_max = 8388608
                \nnet.ipv4.tcp_rmem = 4096 262144 8388608
                \nnet.ipv4.tcp_wmem = 4096 262144 8388608<\/li>\n
              2. GPFS\u7684socketMaxListenConnections\u548c\u7cfb\u7edf\u7684net.core.somaxconn\u8bbe\u7f6e\u4e3a\u96c6\u7fa4\u8282\u70b9\u6570\u91cf<\/li>\n<\/ol>\n<\/li>\n
              3. sharedMemLimit\u548cmaxBufferDescs\u7b49\u770bmmfsadm dump fs | head -8\u8f93\u51fa\u7ed3\u679c\u51b3\u5b9a\u662f\u5426\u9700\u8981\u589e\u52a0<\/li>\n
              4. \u6587\u4ef6\u7cfb\u7edf\u7684-n\u53c2\u6570\u5339\u914d\u96c6\u7fa4\u8282\u70b9\u6570<\/li>\n
              5. \u540e\u7aef\u7531\u5927\u91cf\u78c1\u76d8\u6216\u56fa\u6001\u76d8\u7ec4\u6210NSD\u8bbe\u7f6eignorePrefetchLUNCount=yes<\/li>\n
              6. \u7528mmlsconfig\u548cmmdiag –config\u53ef\u4ee5\u67e5\u770b\u914d\u7f6e<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

                \u6240\u6709\u8282\u70b9\u9700\u548c\u540c\u4e00\u4e2a\u65f6\u949f\u6e90\u4e25\u683c\u540c\u6b65\u65f6\u949f \u4e00\u4e9b\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u5728defaultHelperNodes\u4e0a\u9762\u8fd0\u884c\uff0c\u9ed8\u8ba4\u662f\u6240 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[198],"tags":[193],"class_list":["post-1298","post","type-post","status-publish","format-standard","hentry","category-hpc","tag-gpfs"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paOwEq-kW","_links":{"self":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/comments?post=1298"}],"version-history":[{"count":18,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1298\/revisions"}],"predecessor-version":[{"id":2726,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1298\/revisions\/2726"}],"wp:attachment":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/media?parent=1298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/categories?post=1298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/tags?post=1298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}