3.\u53d8\u66f4\u7ba1\u7406\u5ba1\u67e5\uff1a<\/strong><\/p>\n

\n
• \n
  \n
  • \u8fd1\u671f\u8f6f\u4ef6\u66f4\u65b0<\/li>\n
  • \u786c\u4ef6\u4fee\u6539<\/li>\n
  • \u914d\u7f6e\u66f4\u6539<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

    4.\u65e5\u5fd7\u5206\u6790\uff1a<\/strong><\/p>\n

    \n
    • \n
      \n
      • \u7cfb\u7edf\u4e8b\u4ef6\u65e5\u5fd7<\/li>\n
      • \u786c\u4ef6\u4e8b\u4ef6\u65e5\u5fd7<\/li>\n
      • \u5e94\u7528\u7a0b\u5e8f\u65e5\u5fd7<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

        \r\n# \u5168\u9762\u7684IPMI\u8bca\u65ad\u547d\u4ee4\r\nipmitool sel list | grep \"System Boot\"\r\nipmitool sensor list | grep \"Power\"\r\nipmitool chassis status\r\nipmitool sdr list\r\nipmitool mc info\r\n<\/code><\/pre>\n
        \u786c\u4ef6\u76f8\u5173\u9ed1\u5c4f\u89e3\u51b3\u65b9\u6848<\/strong><\/h2>\n
        \u786c\u4ef6\u95ee\u9898\u7ea6\u5360\u670d\u52a1\u5668\u9ed1\u5c4f\u4e8b\u4ef6\u768460%\u3002\u4e86\u89e3\u5e38\u89c1\u6545\u969c\u70b9\u53ca\u5176\u75c7\u72b6\u81f3\u5173\u91cd\u8981\uff1a<\/p>\n
        \u5185\u5b58\u6a21\u5757\u6545\u969c\uff0825%\u7684\u6848\u4f8b\uff09<\/h3>\n
        \n
        ECC\u5185\u5b58\u9519\u8bef<\/li>\n
        \u5185\u5b58\u65f6\u5e8f\u4e0d\u5339\u914d<\/li>\n
        \u7269\u7406\u6a21\u5757\u9000\u5316<\/li>\n
        \u5185\u5b58\u914d\u7f6e\u4e0d\u517c\u5bb9<\/li>\n<\/ul>\n
        GPU\u76f8\u5173\u95ee\u9898\uff0815%\u7684\u6848\u4f8b\uff09<\/h3>\n
        \n
        \u9a71\u52a8\u7a0b\u5e8f\u517c\u5bb9\u6027\u95ee\u9898<\/li>\n
        \u786c\u4ef6\u52a0\u901f\u5931\u8d25<\/li>\n
        \u6e29\u5ea6\u9650\u5236<\/li>\n
        CUDA\u5904\u7406\u9519\u8bef<\/li>\n<\/ul>\n
        \u7535\u6e90\u5206\u914d\u95ee\u9898\uff0812%\u7684\u6848\u4f8b\uff09<\/h3>\n
        \n
        \u7535\u538b\u6ce2\u52a8<\/li>\n
        \u7535\u6e90\u8f68\u9053\u6545\u969c<\/li>\n
        \u7535\u6e90\u4f9b\u5e94\u5668\u9000\u5316<\/li>\n
        \u63a5\u5730\u56de\u8def\u95ee\u9898<\/li>\n<\/ul>\n
        RAID\u63a7\u5236\u5668\u6545\u969c\uff088%\u7684\u6848\u4f8b\uff09<\/h3>\n
        \n
        \u7f13\u5b58\u7535\u6c60\u6545\u969c<\/li>\n
        \u63a7\u5236\u5668\u56fa\u4ef6\u95ee\u9898<\/li>\n
        \u9a71\u52a8\u5668\u63a5\u53e3\u95ee\u9898<\/li>\n
        \u914d\u7f6e\u635f\u574f<\/li>\n<\/ul>\n
        \r\n# \u589e\u5f3a\u578b\u8bca\u65ad\u547d\u4ee4\r\n# \u5185\u5b58\u8bca\u65ad\r\nmemtest86 --console\r\ndmidecode -t memory\r\nedac-util --status\r\n\r\n# GPU\u8bca\u65ad\r\nnvidia-smi -q\r\nlspci -vv | grep -A 10 VGA\r\nglxinfo | grep render\r\n\r\n# RAID\u8bca\u65ad\r\nmegacli -LDInfo -Lall -aALL\r\nmegacli -PDList -aALL\r\nmegacli -AdpAllInfo -aALL\r\n<\/code><\/pre>\n
        \u57fa\u4e8e\u8f6f\u4ef6\u7684\u6545\u969c\u6392\u9664\u7a0b\u5e8f<\/strong><\/h2>\n
        \u8f6f\u4ef6\u76f8\u5173\u7684\u9ed1\u5c4f\u9700\u8981\u7cfb\u7edf\u5316\u7684\u3001\u9010\u5c42\u8c03\u67e5\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u6309\u7cfb\u7edf\u5c42\u6b21\u7ec4\u7ec7\u7684\u5168\u9762\u6545\u969c\u6392\u9664\u5de5\u4f5c\u6d41\u7a0b\uff1a<\/p>\n
        1. \u5185\u6838\u7ea7\u8bca\u65ad<\/h3>\n
        \n
        \u5f15\u5bfc\u53c2\u6570\u5206\u6790\uff1a<\/strong>\n
        \n
        \u5185\u6838\u5d29\u6e83\u6a21\u5f0f<\/li>\n
        \u6a21\u5757\u52a0\u8f7d\u5931\u8d25<\/li>\n
        \u521d\u59cb\u5316\u8fdb\u7a0b\u9519\u8bef<\/li>\n<\/ul>\n<\/li>\n
        \u9a71\u52a8\u7a0b\u5e8f\u72b6\u6001\u9a8c\u8bc1\uff1a<\/strong>\n
        \n
        \u663e\u793a\u9a71\u52a8\u72b6\u6001<\/li>\n
        \u786c\u4ef6\u62bd\u8c61\u5c42<\/li>\n
        \u5185\u6838\u6a21\u5757\u4f9d\u8d56\u5173\u7cfb<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
        \r\n# \u5168\u9762\u7684\u5185\u6838\u8bca\u65ad\r\n# \u5185\u6838\u65e5\u5fd7\u5206\u6790\r\njournalctl -k --since \"1 hour ago\"\r\ndmesg | grep -i -E \"error|fail|critical\"\r\ncat \/proc\/kmsg\r\n\r\n# \u6a21\u5757\u72b6\u6001\u9a8c\u8bc1\r\nlsmod | grep -E \"drm|nvidia|amdgpu\"\r\nmodinfo -p nvidia\r\nsystool -m drm -v\r\n<\/code><\/pre>\n
        2. \u7cfb\u7edf\u670d\u52a1\u5206\u6790<\/h3>\n
        \n
        Systemd\u670d\u52a1\u72b6\u6001\uff1a<\/strong>\n
        \n
        \u663e\u793a\u7ba1\u7406\u5668\u72b6\u6001<\/li>\n
        \u56fe\u5f62\u6808\u670d\u52a1<\/li>\n
        \u7f51\u7edc\u670d\u52a1\u4f9d\u8d56<\/li>\n<\/ul>\n<\/li>\n
        \u8fdb\u7a0b\u5c42\u6b21\u7ed3\u6784\uff1a<\/strong>\n
        \n
        \u7236\u5b50\u5173\u7cfb<\/li>\n
        \u50f5\u5c38\u8fdb\u7a0b<\/li>\n
        \u8d44\u6e90\u9501\u5b9a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
        \r\n# \u670d\u52a1\u8bca\u65ad\u547d\u4ee4\r\nsystemctl list-units --failed\r\nsystemctl status display-manager\r\njournalctl -u display-manager --since \"10 minutes ago\"\r\n\r\n# \u8fdb\u7a0b\u5206\u6790\r\nps auxf | grep -E \"X|wayland|gdm|lightdm\"\r\npstree -p $(pgrep X)\r\nlsof | grep -E \"X|wayland\"\r\n<\/code><\/pre>\n
        \u589e\u5f3a\u578b\u8fdc\u7a0b\u63a7\u5236\u53f0\u8bbf\u95ee\u6280\u672f<\/strong><\/h2>\n
        \u73b0\u4ee3\u670d\u52a1\u5668\u73af\u5883\u63d0\u4f9b\u591a\u5c42\u8fdc\u7a0b\u8bbf\u95ee\u529f\u80fd\u3002\u6709\u6548\u7406\u89e3\u548c\u5229\u7528\u8fd9\u4e9b\u9009\u9879\u5bf9\u4e8e\u6062\u590d\u64cd\u4f5c\u81f3\u5173\u91cd\u8981\uff1a<\/p>\n
        1. \u5e26\u5916\u7ba1\u7406<\/h3>\n
        \n
        IPMI\u63a7\u5236\u53f0\u8bbf\u95ee\uff1a<\/strong>\n
        \n
        \u4e32\u884c\u901a\u8fc7\u5c40\u57df\u7f51(SOL)<\/li>\n
        \u865a\u62dfKVM<\/li>\n
        \u865a\u62df\u5a92\u4f53\u6302\u8f7d<\/li>\n<\/ul>\n<\/li>\n
        iDRAC\/iLO\u64cd\u4f5c\uff1a<\/strong>\n
        \n
        \u7d27\u6025\u7ba1\u7406\u8bbf\u95ee<\/li>\n
        \u786c\u4ef6\u7ea7\u63a7\u5236<\/li>\n
        \u7535\u6e90\u5faa\u73af\u529f\u80fd<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
        \r\n# \u9ad8\u7ea7\u8fdc\u7a0b\u8bbf\u95ee\u547d\u4ee4\r\n# IPMI SOL\u4f1a\u8bdd\r\nipmitool -I lanplus -H ${BMC_IP} -U ${USERNAME} -P ${PASSWORD} sol activate\r\n\r\n# iDRAC\u76f4\u63a5\u8fde\u63a5\r\nracadm -r ${IDRAC_IP} -u ${USERNAME} -p ${PASSWORD} serveraction hardreset\r\n\r\n# \u7d27\u6025\u63a7\u5236\u53f0\u8bbf\u95ee\r\nssh -o KexAlgorithms=+diffie-hellman-group1-sha1 admin@${SERVER_IP}\r\n<\/code><\/pre>\n
        \u9ad8\u7ea7\u7f51\u7edc\u914d\u7f6e\u6062\u590d<\/strong><\/h2>\n
        \u7f51\u7edc\u76f8\u5173\u7684\u9ed1\u5c4f\u901a\u5e38\u9700\u8981\u591a\u5c42\u8bca\u65ad\u65b9\u6cd5\uff1a<\/p>\n
        1. \u7f51\u7edc\u6808\u9a8c\u8bc1<\/h3>\n
        \n
        \u7269\u7406\u5c42\uff1a<\/strong>\n
        \n
        \u94fe\u8def\u72b6\u6001\u9a8c\u8bc1<\/li>\n
        \u7ebf\u7f06\u5b8c\u6574\u6027\u6d4b\u8bd5<\/li>\n
        \u7aef\u53e3\u914d\u7f6e\u5206\u6790<\/li>\n<\/ul>\n<\/li>\n
        \u6570\u636e\u94fe\u8def\u5c42\uff1a<\/strong>\n
        \n
        MAC\u5730\u5740\u51b2\u7a81<\/li>\n
        VLAN\u914d\u7f6e<\/li>\n
        \u751f\u6210\u6811\u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n
        \u7f51\u7edc\u5c42\uff1a<\/strong>\n
        \n
        IP\u914d\u7f6e\u9a8c\u8bc1<\/li>\n
        \u8def\u7531\u8868\u9a8c\u8bc1<\/li>\n
        \u9632\u706b\u5899\u89c4\u5219\u5206\u6790<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
        \r\n# \u5168\u9762\u7684\u7f51\u7edc\u8bca\u65ad\r\n# \u63a5\u53e3\u8bca\u65ad\r\nip -s link show\r\nethtool -S eth0\r\ntcpdump -i eth0 -n not port 22\r\n\r\n# \u8def\u7531\u548c\u8fde\u63a5\u6027\r\nip route get 8.8.8.8\r\nmtr -n 8.8.8.8\r\narp -an\r\n<\/code><\/pre>\n
        \u4f01\u4e1a\u7ea7\u76d1\u63a7\u5b9e\u65bd<\/strong><\/h2>\n
        \u5b9e\u65bd\u5f3a\u5927\u7684\u76d1\u63a7\u6846\u67b6\u4ee5\u9884\u9632\u548c\u5feb\u901f\u68c0\u6d4b\u9ed1\u5c4f\u4e8b\u4ef6\uff1a<\/p>\n
        \r\n#!\/bin\/bash\r\n# \u589e\u5f3a\u578b\u76d1\u63a7\u811a\u672c\uff0c\u5305\u542b\u591a\u4e2a\u68c0\u67e5\u70b9\r\n\r\n# \u914d\u7f6e\r\nMONITOR_LOG=\"\/var\/log\/server_monitor.log\"\r\nALERT_THRESHOLD=3\r\nCHECK_INTERVAL=60\r\n\r\n# \u76d1\u63a7\u51fd\u6570\r\ncheck_display_service() {\r\n    systemctl is-active display-manager >\/dev\/null 2>&1\r\n    return $?\r\n}\r\n\r\ncheck_gpu_status() {\r\n    if command -v nvidia-smi >\/dev\/null 2>&1; then\r\n        nvidia-smi >\/dev\/null 2>&1\r\n        return $?\r\n    fi\r\n    return 0\r\n}\r\n\r\ncheck_memory_status() {\r\n    local free_mem=$(free | awk '\/Mem:\/ {print $4}')\r\n    if [ $free_mem -lt 102400 ]; then\r\n        return 1\r\n    fi\r\n    return 0\r\n}\r\n\r\nlog_status() {\r\n    echo \"$(date '+%Y-%m-%d %H:%M:%S') - $1\" >> $MONITOR_LOG\r\n}\r\n\r\n# \u4e3b\u76d1\u63a7\u5faa\u73af\r\nwhile true; do\r\n    failures=0\r\n    \r\n    if ! check_display_service; then\r\n        log_status \"\u663e\u793a\u670d\u52a1\u68c0\u67e5\u5931\u8d25\"\r\n        ((failures++))\r\n    fi\r\n    \r\n    if ! check_gpu_status; then\r\n        log_status \"GPU\u72b6\u6001\u68c0\u67e5\u5931\u8d25\"\r\n        ((failures++))\r\n    fi\r\n    \r\n    if ! check_memory_status; then\r\n        log_status \"\u5185\u5b58\u72b6\u6001\u68c0\u67e5\u5931\u8d25\"\r\n        ((failures++))\r\n    fi\r\n    \r\n    if [ $failures -ge $ALERT_THRESHOLD ]; then\r\n        \/usr\/local\/bin\/alert-admin.sh \"\u591a\u9879\u7cfb\u7edf\u68c0\u67e5\u5931\u8d25\"\r\n    fi\r\n    \r\n    sleep $CHECK_INTERVAL\r\ndone\r\n<\/code><\/pre>\n
        \u9ad8\u7ea7\u6062\u590d\u548c\u6545\u969c\u8f6c\u79fb\u534f\u8bae<\/strong><\/h2>\n
        \u4e3a\u5173\u952e\u4efb\u52a1\u7cfb\u7edf\u5b9e\u65bd\u8fd9\u4e9b\u4f01\u4e1a\u7ea7\u6062\u590d\u7a0b\u5e8f\uff1a<\/p>\n
        \r\n#!\/bin\/bash\r\n# \u7efc\u5408\u6062\u590d\u811a\u672c\r\n\r\n# \u914d\u7f6e\r\nRECOVERY_LOG=\"\/var\/log\/recovery.log\"\r\nBACKUP_CONFIG=\"\/etc\/server-backup\"\r\nMAX_ATTEMPTS=5\r\n\r\n# \u6062\u590d\u51fd\u6570\r\nattempt_safe_mode_boot() {\r\n    grub2-set-default 1\r\n    grub2-mkconfig -o \/boot\/grub2\/grub.cfg\r\n    systemctl reboot\r\n}\r\n\r\nrestore_last_known_good() {\r\n    if [ -d \"$BACKUP_CONFIG\" ]; then\r\n        cp -r $BACKUP_CONFIG\/* \/etc\/\r\n        systemctl daemon-reload\r\n        systemctl restart display-manager\r\n    fi\r\n}\r\n\r\nverify_system_integrity() {\r\n    fsck -f \/dev\/sda1\r\n    xfs_repair -L \/dev\/sda1\r\n    e2fsck -f \/dev\/sda1\r\n}\r\n\r\n# \u4e3b\u6062\u590d\u5e8f\u5217\r\nmain() {\r\n    echo \"\u5f00\u59cb\u6062\u590d\u8fdb\u7a0b\u4e8e $(date)\" >> $RECOVERY_LOG\r\n    \r\n    for ((attempt=1; attempt <= MAX_ATTEMPTS; attempt++)); do echo \"\u6062\u590d\u5c1d\u8bd5 $attempt \/ $MAX_ATTEMPTS\" >> $RECOVERY_LOG\r\n        \r\n        verify_system_integrity\r\n        restore_last_known_good\r\n        \r\n        if systemctl is-system-running; then\r\n            echo \"\u7cfb\u7edf\u6062\u590d\u6210\u529f\" >> $RECOVERY_LOG\r\n            exit 0\r\n        fi\r\n        \r\n        if [ $attempt -eq $MAX_ATTEMPTS ]; then\r\n            attempt_safe_mode_boot\r\n        fi\r\n    done\r\n    \r\n    echo \"\u6062\u590d\u5728 $MAX_ATTEMPTS \u6b21\u5c1d\u8bd5\u540e\u5931\u8d25\" >> $RECOVERY_LOG\r\n    \/usr\/local\/bin\/escalate-critical.sh\r\n}\r\n\r\nmain\r\n<\/code><\/pre>\n
        \u672c\u589e\u5f3a\u6307\u5357\u4e3a\u670d\u52a1\u5668\u9ed1\u5c4f\u95ee\u9898\u63d0\u4f9b\u4e86\u4f01\u4e1a\u7ea7\u89e3\u51b3\u65b9\u6848\u3002\u8bf7\u8bb0\u4f4f\u8981\u6839\u636e\u60a8\u7684\u5177\u4f53\u73af\u5883\u8c03\u6574\u8fd9\u4e9b\u7a0b\u5e8f\uff0c\u5e76\u59a5\u5584\u8bb0\u5f55\u6240\u6709\u6062\u590d\u64cd\u4f5c\u3002\u5728\u53d7\u63a7\u73af\u5883\u4e2d\u5b9a\u671f\u6d4b\u8bd5\u6062\u590d\u7a0b\u5e8f\u5bf9\u4e8e\u786e\u4fdd\u5b83\u4eec\u5728\u5b9e\u9645\u4e8b\u4ef6\u4e2d\u7684\u6709\u6548\u6027\u81f3\u5173\u91cd\u8981\u3002[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
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        Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":22565,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4816],"tags":[6663,6660,6661,6662,2552],"class_list":["post-22569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-sc","tag-hardware-diagnostics-sc","tag-server-black-screen-sc","tag-us-server-troubleshooting-sc","tag-remote-console-access-sc","tag-server-maintenance-sc"],"acf":[],"yoast_head":"\n