• FastDFS的集群部署


    一、结构

    fastdfs_arch

    部署2个tracker server,两个storage server。
    模拟测试时多个tracker可以部署在同一台机器上,但是storage不能部署在同一台机器上。
    如果是云服务器一定要记得开放对应的端口。

    示例:

    服务器地址服务程序对应配置文件端口区别
    192.168.0.104fdfs_trackerdtracker_22122.conf22122
    192.168.0.104fdfs_trackerdtracker_22123.conf22123
    192.168.0.104fdfs_storagestorage_group1_23000.conf
    192.168.0.105fdfs_storagestorage_group1_23000.conf

    注意:storage是要部署在不同的服务器上,改端口是没有用。

    二、服务器配置(192.168.0.104)

    (1)把现有的tracker、storage全部停止。

    # 查询tracker的PID
    ps -ef | grep tracker
    # kill进程
    kill -9 11027
    
    # 查询storage的PID
    ps -ef | grep storage
    # kill进程
    kill -9 17975
    
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    (2)建立配置文件和存储目录。

    cd /etc/fdfs 
    cp tracker.conf.sample tracker_22122.conf 
    cp tracker.conf.sample tracker_22123.conf 
    mkdir /home/fastdfs/tracker_22122 # 同一个服务器创建多个tracker存储路径 
    mkdir /home/fastdfs/tracker_22123 
    cp storage.conf.sample storage_group1_23000.conf 
    mkdir /home/fastdfs/storage_group1_23000
    
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    (3)然后要修改对应的配置文件,详细见如下。

    修改tracker_22122.conf配置文件

    在这里,tracker_22122.conf 只修改一下 Tracker 存储日志和数据的路径。主要修改port、base_path路径。

    # 启用配置文件(默认为 false,表示启用配置文件) 
    disabled=false 
    # Tracker 服务端口(默认为 22122) 
    port=22122 
    # 存储日志和数据的根目录 
    base_path=/home/fastdfs/tracker_22122
    
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    启动tracker_22122:

    sudo /usr/bin/fdfs_trackerd /etc/fdfs/tracker_22122.conf
    
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    修改tracker_22123.conf配置文件

    在这里,tracker_22123.conf只修改一下 Tracker 存储日志和数据的路径。主要修改port、base_path路径。

    # 启用配置文件(默认为 false,表示启用配置文件) 
    disabled=false 
    # Tracker 服务端口(默认为 22122) 
    port=22123
    # 存储日志和数据的根目录 
    base_path=/home/fastdfs/tracker_22123
    
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    启动tracker_22123:

    sudo /usr/bin/fdfs_trackerd /etc/fdfs/tracker_22123.conf
    
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    此时查看启动的tracker:

     ps -ef | grep tracker
    
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    信息显示:

    root       2424      1  0 13:10 ?        00:00:00 /usr/bin/fdfs_trackerd /etc/fdfs/tracker_22122.conf
    root       2455      1  0 13:12 ?        00:00:00 /usr/bin/fdfs_trackerd /etc/fdfs/tracker_22123.conf
    
    
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    修改storage_group1_23000.conf配置文件

    在这里,storage_group1_23000.conf 只是修改一下 storage 存储日志和数据的路径。主要修改:port、base_path、store_path0、tracker_server。

    # 启用配置文件(默认为 false,表示启用配置文件) 
    disabled=false 
    # Storage 服务端口(默认为 23000) 
    port=23000 
    # 数据和日志文件存储根目录 
    base_path=/home/fastdfs/storage_group1_23000 
    # 存储路径,访问时路径为 M00 
    # store_path1 则为 M01,以此递增到 M99(如果配置了多个存储目录的话,这里只指定 1 个) 
    store_path0=/home/fastdfs/storage_group1_23000 
    # Tracker 服务器 IP 地址和端口,单机搭建时也不要写 127.0.0.1 
    # tracker_server 可以多次出现,如果有多个,则配置多个 
    tracker_server=192.168.0.104:22122 
    tracker_server=192.168.0.104:22123
    
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    启动storage_group1_23000:

    sudo /usr/bin/fdfs_storaged /etc/fdfs/storage_group1_23000.conf
    
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    三、服务器配置(192.168.0.105)

    (1)把现有的tracker、storage全部停止。

    # 查询tracker的PID
    ps -ef | grep tracker
    # kill进程
    kill -9 17380
    
    # 查询storage的PID
    ps -ef | grep storage
    # kill进程
    kill -9 15937
    
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    (2)建立配置文件和存储目录。

    cd /etc/fdfs 
    sudo cp storage.conf.sample storage_group1_23000.conf 
    sudo mkdir /home/fastdfs/storage_group1_23000
    
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    (3)然后要修改对应的配置文件。在这里,storage_group1_23000.conf 只是修改一下 storage 存储日志和数据的路径,主要修改:port、base_path、store_path0、tracker_server。

    # 启用配置文件(默认为 false,表示启用配置文件) 
    disabled=false 
    # Storage 服务端口(默认为 23000) 
    port=23000 
    # 数据和日志文件存储根目录 
    base_path=/home/fastdfs/storage_group1_23000
     # 存储路径,访问时路径为 M00 
     # store_path1 则为 M01,以此递增到 M99(如果配置了多个存储目录的话,这里只指定 1 个) 
     store_path0=/home/fastdfs/storage_group1_23000 
     # Tracker 服务器 IP 地址和端口,单机搭建时也不要写 127.0.0.1 
     # tracker_server 可以多次出现,如果有多个,则配置多个 
    tracker_server=192.168.0.104:22122 
    tracker_server=192.168.0.104:22123
    
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    (4)启动storage_group1_23000。

    /usr/bin/fdfs_storaged /etc/fdfs/storage_group1_23000.conf
    
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    四、测试

    配置client.conf

    (1)创建client目录:

    mkdir /home/fastdfs/client
    
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    (2)修改client.conf。

    # 修改client的base path路径 
    base_path = /home/fastdfs/client 
    # 配置tracker server地址 
    tracker_server=192.168.0.104:22122 
    tracker_server=192.168.0.104:22123
    
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    配置mod_fastdfs.conf

    主要修改tracker_server、url_have_group_name、store_path0。
    路径: /etc/fdfs/mod_fastdfs.conf。

    # Tracker 服务器IP和端口修改 
    tracker_server=192.168.0.104:22122 
    tracker_server=192.168.0.104:22123
    # url 中是否包含 group 名称,改为 true,包含 group 
    url_have_group_name = true 
    # 配置 Storage 信息,修改 store_path0 的信息 
    store_path0=/home/fastdfs/storage_group1_23000 
    # 其它的一般默认即可,例如 
    base_path=/tmp 
    group_name=group1 
    # storage服务器端口号 
    storage_server_port=23000 
    #存储路径数量, 必须和storage.conf文件一致 
    store_path_count=1
    
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    检测是否正常启动

    分别在两台服务器(192.168.0.104和192.168.0.105)执行:

    /usr/bin/fdfs_monitor /etc/fdfs/storage_group1_23000.conf
    
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    正常则存在2个Active的storage。

    [2022-11-13 13:30:10] DEBUG - base_path=/home/fastdfs/storage_group1_23000, connect_timeout=5, network_timeout=60, tracker_server_count=2, anti_steal_token=0, anti_steal_secret_key length=0, use_connection_pool=1, g_connection_pool_max_idle_time=3600s, use_storage_id=0, storage server id count: 0
    
    server_count=2, server_index=1
    
    tracker server is 192.168.0.106:22123
    
    group count: 1
    
    Group 1:
    group name = group1
    disk total space = 99,701 MB
    disk free space = 87,166 MB
    trunk free space = 0 MB
    storage server count = 2
    active server count = 2
    storage server port = 23000
    storage HTTP port = 8888
    store path count = 1
    subdir count per path = 256
    current write server index = 0
    current trunk file id = 0
    
    	Storage 1:
    		id = 192.168.0.105
    		ip_addr = 192.168.0.105  ACTIVE
    		http domain = 
    		version = 6.07
    		join time = 2022-11-13 13:22:41
    		up time = 2022-11-13 13:22:41
    		total storage = 99,701 MB
    		free storage = 87,168 MB
    		upload priority = 10
    		store_path_count = 1
    		subdir_count_per_path = 256
    		storage_port = 23000
    		storage_http_port = 8888
    		current_write_path = 0
    		source storage id = 192.168.0.106
    		if_trunk_server = 0
    		connection.alloc_count = 256
    		connection.current_count = 1
    		connection.max_count = 1
    		total_upload_count = 0
    		success_upload_count = 0
    		total_append_count = 0
    		success_append_count = 0
    		total_modify_count = 0
    		success_modify_count = 0
    		total_truncate_count = 0
    		success_truncate_count = 0
    		total_set_meta_count = 0
    		success_set_meta_count = 0
    		total_delete_count = 0
    		success_delete_count = 0
    		total_download_count = 0
    		success_download_count = 0
    		total_get_meta_count = 0
    		success_get_meta_count = 0
    		total_create_link_count = 0
    		success_create_link_count = 0
    		total_delete_link_count = 0
    		success_delete_link_count = 0
    		total_upload_bytes = 0
    		success_upload_bytes = 0
    		total_append_bytes = 0
    		success_append_bytes = 0
    		total_modify_bytes = 0
    		success_modify_bytes = 0
    		stotal_download_bytes = 0
    		success_download_bytes = 0
    		total_sync_in_bytes = 0
    		success_sync_in_bytes = 0
    		total_sync_out_bytes = 0
    		success_sync_out_bytes = 0
    		total_file_open_count = 0
    		success_file_open_count = 0
    		total_file_read_count = 0
    		success_file_read_count = 0
    		total_file_write_count = 0
    		success_file_write_count = 0
    		last_heart_beat_time = 2022-11-13 13:29:46
    		last_source_update = 1970-01-01 08:00:00
    		last_sync_update = 1970-01-01 08:00:00
    		last_synced_timestamp = 1970-01-01 08:00:00 
    	Storage 2:
    		id = 192.168.0.106
    		ip_addr = 192.168.0.106  ACTIVE
    		http domain = 
    		version = 6.07
    		join time = 2022-11-13 13:17:34
    		up time = 2022-11-13 13:17:34
    		total storage = 99,701 MB
    		free storage = 87,166 MB
    		upload priority = 10
    		store_path_count = 1
    		subdir_count_per_path = 256
    		storage_port = 23000
    		storage_http_port = 8888
    		current_write_path = 0
    		source storage id = 
    		if_trunk_server = 0
    		connection.alloc_count = 256
    		connection.current_count = 1
    		connection.max_count = 1
    		total_upload_count = 0
    		success_upload_count = 0
    		total_append_count = 0
    		success_append_count = 0
    		total_modify_count = 0
    		success_modify_count = 0
    		total_truncate_count = 0
    		success_truncate_count = 0
    		total_set_meta_count = 0
    		success_set_meta_count = 0
    		total_delete_count = 0
    		success_delete_count = 0
    		total_download_count = 0
    		success_download_count = 0
    		total_get_meta_count = 0
    		success_get_meta_count = 0
    		total_create_link_count = 0
    		success_create_link_count = 0
    		total_delete_link_count = 0
    		success_delete_link_count = 0
    		total_upload_bytes = 0
    		success_upload_bytes = 0
    		total_append_bytes = 0
    		success_append_bytes = 0
    		total_modify_bytes = 0
    		success_modify_bytes = 0
    		stotal_download_bytes = 0
    		success_download_bytes = 0
    		total_sync_in_bytes = 0
    		success_sync_in_bytes = 0
    		total_sync_out_bytes = 0
    		success_sync_out_bytes = 0
    		total_file_open_count = 0
    		success_file_open_count = 0
    		total_file_read_count = 0
    		success_file_read_count = 0
    		total_file_write_count = 0
    		success_file_write_count = 0
    		last_heart_beat_time = 2022-11-13 13:30:09
    		last_source_update = 1970-01-01 08:00:00
    		last_sync_update = 1970-01-01 08:00:00
    		last_synced_timestamp = 1970-01-01 08:00:00 
    
    
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    测试上传文件

    /usr/bin/fdfs_upload_file /etc/fdfs/client.conf /etc/fdfs/storage_group1_23000.conf
    
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    查看两台服务器下的00/00目录是否存在相同的文件。

    测试下载文件

    (1)测试正常下载:

    fdfs_download_file /etc/fdfs/client.conf
    
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    (2)停止192.168.0.104的storage,然后测试下载。

    /usr/bin/fdfs_storaged /etc/fdfs/storage_group1_23000.conf stop
    
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    测试下载:

    fdfs_download_file /etc/fdfs/client.conf
    
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    此时还可以正常下载。
    (3)继续停止另一个storage server(192.168.0.105),再测试下载。

    /usr/bin/fdfs_storaged /etc/fdfs/storage_group1_23000.conf stop
    
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    测试下载:

    fdfs_download_file /etc/fdfs/client.conf
    
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    此时就报错了,因为storage都已经停止了。

    另外,可以使用浏览器去测试:http://(IP地址):80/group1/M00/00/00/(fileid)。

    恢复storage的运行

    两台服务器都执行:

    /usr/bin/fdfs_storaged /etc/fdfs/storage_group1_23000.conf
    
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    可以先恢复一台storage,然后上传文件,再恢复另一台storage,然后在新启动的storage观察文件是否被同步。

    报错处理

    tracker_query_storage fail, error no: 28, error info: No space left on device
    
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    提示磁盘空间不足。
    在tracker xx.conf中,将reserved_storage_space的值修改为5%,预留5%的磁盘空间。

    五、参考

    1. FastDFS tracker leader机制介绍。
    2. FastDFS配置详解之Tracker配置。
    3. FastDFS配置详解之Storage配置。
    4. FastDFS集群部署指南。

    在这里插入图片描述

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  • 原文地址:https://blog.csdn.net/Long_xu/article/details/127805453