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Fastdfs 带http和client的环境搭建<1> 晴

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环境 RHEL5.3
软件
  FastDFS_v1.28.tar.gz
  libevent-1.4.9-stable.tar.gz
  php
  php-devel

#测试目的
   节点开启自运行
   接待你提供http下载

准备:
跟踪器 tracker ; 存储器 storage; 客户端 client
跟踪器安装fastdfs
存储器安装fastdfs
client安装fastdfs php的fastdfs扩展

=================================================================
 
一 下载安装fastdfs
1#要想支持web,得需要配置libevent
#安装libevent
cd /opt
wget http://down1.chinaunix.net/distfiles/libevent-1.4.9-stable.tar.gz
tar zxvf libevent-1.4.9-stable.tar.gz
cd libevent-1.4.9-stable
./configure --prefix=/usr
make;make install
#安装fastdfs
cd /opt
wget  http://fastdfs.googlecode.com/files/FastDFS_v1.28.tar.gz
tar FastDFS_v1.28.tar.gz
cd FastDFS
#编译make.sh 以主持web和开机自动脚本
vi make.sh #去掉这两行的注视
...
WITH_HTTPD=1 #支持web,client可以不开启这个功能
WITH_LINUX_SERVICE=1 #支持开机脚本
...
# 编译
./make.sh && ./make.sh install
============================================================================


2 、修改配置文件
FastDFS 分为三种角色(跟踪器 tracker ; 存储器 storage; 客户端 client),三种角色的配置文件时不相同的,需要注意的是,三种角色都需要编译安装fastdfs,即执行前三步,作为client是可以不打开WITH_HTTPD=1这个功能的。当编译安装完fastdfs后,自动会在/etc/fdfs下面生成client.conf  http.conf  mime.types  storage.conf  tracker.conf 这些文件的,只要我们稍微改动一下就可以了。

[root@hdfs-1 FastDFS]# cat /etc/fdfs/tracker.conf
# is this config file disabled
# false for enabled
# true for disabled
disabled=false

# bind an address of this host
# empty for bind all addresses of this host
bind_addr=

# the tracker server port
port=22122

# network timeout in seconds
network_timeout=20

# the base path to store data and log files
base_path=/install/fastdfs

# max concurrent connections this server supported
# max_connections worker threads start when this service startup
max_connections=256

# the method of selecting group to upload files
# 0: round robin
# 1: specify group
# 2: load balance, select the max free space group to upload file
store_lookup=0

# which group to upload file
# when store_lookup set to 1, must set store_group to the group name
store_group=group1

# which storage server to upload file
# 0: round robin (default)
# 1: the first server order by ip address
# 2: the first server order by priority (the minimal)
store_server=0

# which path(means disk or mount point) of the storage server to upload file
# 0: round robin
# 2: load balance, select the max free space path to upload file
store_path=0

# which storage server to download file
# 0: round robin (default)
# 1: the source storage server which the current file uploaded to
download_server=0

# reserved storage space for system or other applications.
# if the free(available) space of any stoarge server in
# a group <= reserved_storage_space,
# no file can be uploaded to this group.
# bytes unit can be one of follows:
### G or g for gigabyte(GB)
### M or m for megabyte(MB)
### K or k for kilobyte(KB)
### no unit for byte(B)
reserved_storage_space = 4GB

#standard log level as syslog, case insensitive, value list:
### emerg for emergency
### alert
### crit for critical
### error
### warn for warning
### notice
### info
### debug
log_level=info

#unix group name to run this program,
#not set (empty) means run by the group of current user
run_by_group=

#unix username to run this program,
#not set (empty) means run by current user
run_by_user=

# allow_hosts can ocur more than once, host can be hostname or ip address,
# "*" means match all ip addresses, can use range like this: 10.0.1.[1-15,20] or
# host[01-08,20-25].domain.com, for example:
# allow_hosts=10.0.1.[1-15,20]
# allow_hosts=host[01-08,20-25].domain.com
allow_hosts=*
#allow_hosts=192.168.2.[1-255]
# sync log buff to disk every interval seconds
# default value is 10 seconds
sync_log_buff_interval = 10

# check storage server alive interval seconds
check_active_interval = 120

# thread stack size, should >= 64KB
# default value is 64KB
thread_stack_size=1MB

# auto adjust when the ip address of the storage server changed
# default value is true
storage_ip_changed_auto_adjust=true

# HTTP settings
http.disabled=false

# HTTP port on this tracker server
http.server_port=8080

# check storage HTTP server alive interval seconds
# <= 0 for never check
# default value is 30
http.check_alive_interval=30

# check storage HTTP server alive type, values are:
#   tcp : connect to the storge server with HTTP port only,
#        do not request and get response
#   http: storage check alive url must return http status 200
# default value is tcp
http.check_alive_type=tcp

# check storage HTTP server alive uri/url
# NOTE: storage embed HTTP server support uri: /status.html
http.check_alive_uri=/status.html

#use "#include" directive to include http other settiongs
#include http.conf
#注意这个#include http.conf 前面多了一个#号要去掉
============================================================================

存储节点
hdfs-2,hdfs-4,hdfs-5的配置文件都是一致的
[root@hdfs-2 ~]# cat /etc/fdfs/storage.conf
# is this config file disabled
# false for enabled
# true for disabled
disabled=false

# the name of the group this storage server belongs to
group_name=group1

# bind an address of this host
# empty for bind all addresses of this host
bind_addr=

# if bind an address of this host when connect to other servers
# (this storage server as a client)
# true for binding the address configed by above parameter: "bind_addr"
# false for binding any address of this host
client_bind=true

# the storage server port
port=23000

# network timeout in seconds
network_timeout=60

# heart beat interval in seconds
heart_beat_interval=10

# disk usage report interval in seconds
stat_report_interval=60

# the base path to store data and log files
base_path=/install/fastdfs

# max concurrent connections server supported
# max_connections worker threads start when this service startup
max_connections=256

# when no entry to sync, try read binlog again after X milliseconds
# 0 for try again immediately (not need to wait)
sync_wait_msec=200

# after sync a file, usleep milliseconds
# 0 for sync successively (never call usleep)
sync_interval=0

# sync start time of a day, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
sync_start_time=00:00

# sync end time of a day, time format: Hour:Minute
# Hour from 0 to 23, Minute from 0 to 59
sync_end_time=23:59

# write to the mark file after sync N files
# default value is 500
write_mark_file_freq=500

# path(disk or mount point) count, default value is 1
store_path_count=1

# store_path#, based 0, if store_path0 not exists, it's value is base_path
# the paths must be exist
store_path0=/install/fastdfs1
#store_path1=/home/yuqing/fastdfs2

# subdir_count  * subdir_count directories will be auto created under each
# store_path (disk), value can be 1 to 256, default value is 256
subdir_count_per_path=256

# tracker_server can ocur more than once, and tracker_server format is
#  "host:port", host can be hostname or ip address
tracker_server=192.168.2.200:22122

#standard log level as syslog, case insensitive, value list:
### emerg for emergency
### alert
### crit for critical
### error
### warn for warning
### notice
### info
### debug
log_level=info

#unix group name to run this program,
#not set (empty) means run by the group of current user
run_by_group=

#unix username to run this program,
#not set (empty) means run by current user
run_by_user=

# allow_hosts can ocur more than once, host can be hostname or ip address,
# "*" means match all ip addresses, can use range like this: 10.0.1.[1-15,20] or
# host[01-08,20-25].domain.com, for example:
# allow_hosts=10.0.1.[1-15,20]
# allow_hosts=host[01-08,20-25].domain.com
allow_hosts=*

# the mode of the files distributed to the data path
# 0: round robin(default)
# 1: random, distributted by hash code
file_distribute_path_mode=0

# valid when file_distribute_to_path is set to 0 (round robin),
# when the written file count reaches this number, then rotate to next path
# default value is 100
file_distribute_rotate_count=100

# call fsync to disk when write big file
# 0: never call fsync
# other: call fsync when written bytes >= this bytes
# default value is 0 (never call fsync)
fsync_after_written_bytes=0

# sync log buff to disk every interval seconds
# default value is 10 seconds
sync_log_buff_interval=10

# sync binlog buff / cache to disk every interval seconds
# this parameter is valid when write_to_binlog set to 1
# default value is 60 seconds
sync_binlog_buff_interval=60

# sync storage stat info to disk every interval seconds
# default value is 300 seconds
sync_stat_file_interval=300

# thread stack size, should >= 512KB
# default value is 512KB
thread_stack_size=1M

# the priority as a source server for uploading file.
# the lower this value, the higher its uploading priority.
# default value is 10
upload_priority=10

# the NIC alias prefix, such as eth in Linux, you can see it by ifconfig -a
# multi aliases split by comma. empty value means auto set by OS type
# default values is empty
if_alias_prefix=

# if check file duplicate, when set to true, use FastDHT to store file indexes
# 1 or yes: need check
# 0 or no: do not check
# default value is 0
check_file_duplicate=0

# namespace for storing file indexes (key-value pairs)
# this item must be set when check_file_duplicate is true / on
key_namespace=FastDFS

# set keep_alive to 1 to enable persistent connection with FastDHT servers
# default value is 0 (short connection)
keep_alive=0

# you can use "#include filename" (not include double quotes) directive to
# load FastDHT server list, when the filename is a relative path such as
# pure filename, the base path is the base path of current/this config file.
# must set FastDHT server list when check_file_duplicate is true / on
# please see INSTALL of FastDHT for detail
##include /home/yuqing/fastdht/conf/fdht_servers.conf


#HTTP settings
http.disabled=false

# use the ip address of this storage server if domain_name is empty,
# else this domain name will ocur in the url redirected by the tracker server
http.domain_name=

# the port of the web server on this storage server
http.server_port=8888

http.trunk_size=256KB

#use "#include" directive to include HTTP other settiongs
#include http.conf
#去掉前面这行多余的#
============================================================================


3、#启动程序
#tracker节点:
[root@hdfs-1 ~]# mkdir /install/fastdfs/
[root@hdfs-1 ~]# /etc/init.d/fdfs_trackerd start
Starting FastDFS tracker server:
#存储节点
[root@hdfs-2 ~]# mkdir /install/fastdfs/
[root@hdfs-2 ~]# mkdir /install/fastdfs1/ #真正存放数据的地方!
[root@hdfs-2 ~]# /etc/init.d/fdfs_storaged start
Starting FastDFS storage server:
#初始化数据信息
注意:这个是数据节点的真是数据文件 目录有256x256个
[root@hdfs-2 ~]# ls /install/fastdfs1/data/
Display all 256 possibilities? (y or n)
00/ 07/ 0E/ 15/ 1C/ 23/ 2A/ 31/ 38/ 3F/ 46/ 4D/ 54/ 5B/ 62/ 69/ 70/ 77/ 7E/ 85/ 8C/ 93/ 9A/ A1/ A8/ AF/ B6/ BD/ C4/ CB/ D2/ D9/ E0/ E7/ EE/ F5/ FC/
01/ 08/ 0F/ 16/ 1D/ 24/ 2B/ 32/ 39/ 40/ 47/ 4E/ 55/ 5C/ 63/ 6A/ 71/ 78/ 7F/ 86/ 8D/ 94/ 9B/ A2/ A9/ B0/ B7/ BE/ C5/ CC/ D3/ DA/ E1/ E8/ EF/ F6/ FD/
02/ 09/ 10/ 17/ 1E/ 25/ 2C/ 33/ 3A/ 41/ 48/ 4F/ 56/ 5D/ 64/ 6B/ 72/ 79/ 80/ 87/ 8E/ 95/ 9C/ A3/ AA/ B1/ B8/ BF/ C6/ CD/ D4/ DB/ E2/ E9/ F0/ F7/ FE/
03/ 0A/ 11/ 18/ 1F/ 26/ 2D/ 34/ 3B/ 42/ 49/ 50/ 57/ 5E/ 65/ 6C/ 73/ 7A/ 81/ 88/ 8F/ 96/ 9D/ A4/ AB/ B2/ B9/ C0/ C7/ CE/ D5/ DC/ E3/ EA/ F1/ F8/ FF/
04/ 0B/ 12/ 19/ 20/ 27/ 2E/ 35/ 3C/ 43/ 4A/ 51/ 58/ 5F/ 66/ 6D/ 74/ 7B/ 82/ 89/ 90/ 97/ 9E/ A5/ AC/ B3/ BA/ C1/ C8/ CF/ D6/ DD/ E4/ EB/ F2/ F9/
05/ 0C/ 13/ 1A/ 21/ 28/ 2F/ 36/ 3D/ 44/ 4B/ 52/ 59/ 60/ 67/ 6E/ 75/ 7C/ 83/ 8A/ 91/ 98/ 9F/ A6/ AD/ B4/ BB/ C2/ C9/ D0/ D7/ DE/ E5/ EC/ F3/ FA/
06/ 0D/ 14/ 1B/ 22/ 29/ 30/ 37/ 3E/ 45/ 4C/ 53/ 5A/ 61/ 68/ 6F/ 76/ 7D/ 84/ 8B/ 92/ 99/ A0/ A7/ AE/ B5/ BC/ C3/ CA/ D1/ D8/ DF/ E6/ ED/ F4/ FB/

#检查进程和端口
[root@hdfs-1 ~]# netstat -ntl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       
tcp        0      0 0.0.0.0:22122               0.0.0.0:*                   LISTEN         
tcp        0      0 0.0.0.0:8080                0.0.0.0:*                   LISTEN     
...
[root@hdfs-1 ~]# ps -aux | grep fdfs
Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.7/FAQ
root      4071  0.0  0.3 286952  1840 ?        Sl   07:05   0:00 /usr/local/bin/fdfs_trackerd /etc/fdfs/tracker.conf

[root@hdfs-2 ~]# netstat -ntl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       
tcp        0      0 0.0.0.0:8888                0.0.0.0:*                   LISTEN     
tcp        0      0 0.0.0.0:23000               0.0.0.0:*                   LISTEN     

[root@hdfs-2 ~]# ps -aux | grep fdfs
Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.7/FAQ
root      4188  0.0  0.3 279124  2000 ?        Sl   03:42   0:00 /usr/local/bin/fdfs_storaged /etc/fdfs/storage.conf
root      4452  0.0  0.1   4116   612 pts/1    R+   03:43   0:00 grep fdfs

======================================================================


4、#上传文件,http下载文件
[root@hdfs-2 ~]# cd /opt/
[root@hdfs-2 opt]# touch dfstest20100705.txt
[root@hdfs-2 opt]# echo 123456789 > dfstest20100705.txt
[root@hdfs-2 opt]# /usr/local/bin/fdfs_test /etc/fdfs/storage.conf upload /opt/dfstest20100705.txt
This is FastDFS client test program v1.28

Copyright (C) 2008, Happy Fish / YuQing

FastDFS may be copied only under the terms of the GNU General
Public License V3, which may be found in the FastDFS source kit.
Please visit the FastDFS Home Page http://www.csource.org/
for more detail.

base_path=/install/fastdfs, network_timeout=60, tracker_server_count=1, anti_steal_token=0, anti_steal_secret_key length=0
group_name=group1, ip_addr=192.168.2.201, port=23000
storage_upload_by_filename
group_name=group1, remote_filename=M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871.txt
source ip address: 192.168.2.201
file timestamp=2010-06-30 14:06:40
file size=10
file url: http://192.168.2.200/group1/M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871.txt
storage_upload_slave_by_filename
group_name=group1, remote_filename=M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871_big.txt
source ip address: 192.168.2.201
file timestamp=2010-06-30 14:06:40
file size=10
file url: http://192.168.2.200/group1/M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871_big.txt

#由于tracker节点配置的端口是8080端口所以如果要下载则要使用:8080
IE敲http://192.168.2.200:8080/group1/M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871_big.txt
就可以看到了!。
#如果没有这个文件则提示
|
Method Not Implemented
Invalid method in request
|
======================================================================


5、#看看各个节点的信息:
#tracker节点
[root@hdfs-1 ~]# tree /install/fastdfs/
/install/fastdfs/
|-- data
|   |-- storage_changelog.dat
|   |-- storage_groups.dat
|   |-- storage_servers.dat
|   `-- storage_sync_timestamp.dat
`-- logs
    `-- trackerd.log

2 directories, 5 files
[root@hdfs-1 ~]# cat /install/fastdfs/data/storage_changelog.dat
[root@hdfs-1 ~]# cat /install/fastdfs/data/storage_groups.dat   
group1,23000,1,256
[root@hdfs-1 ~]# cat /install/fastdfs/data/storage_servers.dat
group1,192.168.2.201,7,,0,24,24,8,8,24,24,16,16,8,8,1277816744,0,0
group1,192.168.2.203,7,192.168.2.201,1277803496,0,0,0,0,0,0,0,0,0,0,0,1278551697,0
group1,192.168.2.204,1,192.168.2.201,1277803553,0,0,0,0,0,0,0,0,0,0,0,0,0
[root@hdfs-1 ~]# cat /install/fastdfs/data/storage_sync_timestamp.dat
group1,192.168.2.201,0
#tracker节点启动日志
[root@hdfs-1 ~]# cat /install/fastdfs/logs/trackerd.log             
[2010-06-29 17:18:36] INFO - FastDFS v1.28, base_path=/install/fastdfs, network_timeout=20s, port=22122, bind_addr=, max_connections=256, store_lookup=0, store_group=, store_server=0, store_path=0, reserved_storage_space=4096MB, download_server=0, allow_ip_count=-1, sync_log_buff_interval=10s, check_active_interval=120s, thread_stack_size=1024 KB, storage_ip_changed_auto_adjust=1
[2010-06-29 17:18:36] INFO - HTTP supported: server_port=8080, default_content_type=application/octet-stream, anti_steal_token=0, token_ttl=0s, anti_steal_secret_key length=0, token_check_fail content_type=, token_check_fail buff length=0, check_active_interval=30, check_active_type=tcp, check_active_uri=/status.html
------------------------------------------------------------------------
#存储节点目录树
[root@hdfs-2 fastdfs]# tree   
.
|-- data
|   |-- storage_stat.dat
|   `-- sync
|       |-- 192.168.2.203_23000.mark
|       |-- 192.168.2.204_23000.mark
|       |-- binlog.000
|       `-- binlog.index
`-- logs
    `-- storaged.log

3 directories, 6 files
#配置
[root@hdfs-2 fastdfs]# cat /install/fastdfs/data/storage_stat.dat
total_upload_count=26
success_upload_count=26
total_download_count=16
success_download_count=16
last_source_update=1277878000
last_sync_update=0
total_set_meta_count=8
success_set_meta_count=8
total_delete_count=24
success_delete_count=24
total_get_meta_count=8
success_get_meta_count=8
total_create_link_count=0
success_create_link_count=0
total_delete_link_count=0
success_delete_link_count=0
dist_path_index_high=0
dist_path_index_low=0
dist_write_file_count=13
#联络各个节点的同步
[root@hdfs-2 fastdfs]# cat /install/fastdfs/data/sync/192.168.2.203_23000.mark
binlog_index=0
binlog_offset=4612
need_sync_old=1
sync_old_done=1
until_timestamp=1277803496
scan_row_count=76
sync_row_count=76
[root@hdfs-2 fastdfs]# cat /install/fastdfs/data/sync/192.168.2.204_23000.mark
binlog_index=0
binlog_offset=4612
need_sync_old=1
sync_old_done=1
until_timestamp=1277803553
scan_row_count=76
sync_row_count=76
#元数据
[root@hdfs-2 fastdfs]# cat /install/fastdfs/data/sync/binlog.000             
...
1277878000 C M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871.txt
1277878000 C M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871.txt-m
1277878000 C M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871_big.txt
1277878000 C M00/00/00/wKgCyUwq3vAAAAAAAAAACg6ulXQ871_big.txt-m
#这四行就是刚才上传的原文件和备份文件
[root@hdfs-2 fastdfs]# cat /install/fastdfs/data/sync/binlog.index
0
[root@hdfs-2 fastdfs]# cat /install/fastdfs/logs/storaged.log     
[2010-06-30 13:53:48] INFO - FastDFS v1.28, base_path=/install/fastdfs, store_path_count=1, subdir_count_per_path=256, group_name=group1, network_timeout=60s, port=23000, bind_addr=, client_bind=1, max_connections=256, heart_beat_interval=10s, stat_report_interval=60s, tracker_server_count=1, sync_wait_msec=200ms, sync_interval=0ms, sync_start_time=00:00, sync_end_time: 23:59, write_mark_file_freq=500, allow_ip_count=-1, file_distribute_path_mode=0, file_distribute_rotate_count=100, fsync_after_written_bytes=0, sync_log_buff_interval=10s, sync_binlog_buff_interval=60s, sync_stat_file_interval=300s, thread_stack_size=1024 KB, upload_priority=10, if_alias_prefix=, check_file_duplicate=0, FDHT group count=0, FDHT server count=0, FDHT key_namespace=, FDHT keep_alive=0, HTTP server port=8888, domain name=
[2010-06-30 13:53:48] INFO - HTTP supported: server_port=8888, http_trunk_size=262144, default_content_type=application/octet-stream, anti_steal_token=0, token_ttl=0s, anti_steal_secret_key length=0, token_check_fail content_type=, token_check_fail buff length=0
[2010-06-30 13:59:58] INFO - file: storage_sync.c, line: 2029, successfully connect to storage server 192.168.2.203:23000
[2010-06-30 14:00:08] INFO - file: storage_sync.c, line: 2029, successfully connect to storage server 192.168.2.203:23000
[2010-06-30 14:00:58] INFO - file: storage_sync.c, line: 2029, successfully connect to storage server 192.168.2.204:23000
[2010-06-30 14:01:08] INFO - file: storage_sync.c, line: 2029, successfully connect to storage server 192.168.2.204:23000

#存储节点数据文件
[root@hdfs-2 fastdfs]# ls -l /install/fastdfs1/data/00/00/
total 16
-rw-r--r-- 1 root root 10 Jun 30 14:06 wKgCyUwq3vAAAAAAAAAACg6ulXQ871_big.txt
-rw-r--r-- 1 root root 49 Jun 30 14:06 wKgCyUwq3vAAAAAAAAAACg6ulXQ871_big.txt-m
-rw-r--r-- 1 root root 10 Jun 30 14:06 wKgCyUwq3vAAAAAAAAAACg6ulXQ871.txt
-rw-r--r-- 1 root root 49 Jun 30 14:06 wKgCyUwq3vAAAAAAAAAACg6ulXQ871.txt-m
==================================================================


6、#使用监控程序查看各个节点
[root@hdfs-5 fdfs]# /usr/local/bin/fdfs_monitor /etc/fdfs/storage.conf
base_path=/install/fastdfs, network_timeout=60, tracker_server_count=1, anti_steal_token=0, anti_steal_secret_key length=0

tracker server is 192.168.2.200:22122

group count: 1

Group 1:
group name = group1
free space = 6 GB
storage server count = 3
active server count = 3
storage_port = 23000
storage_http_port = 8888
store path count = 1
subdir count per path= 256
current write server index = 1

        Host 1:
                ip_addr = 192.168.2.201 (hdfs-2)  ACTIVE
                http domain =
                version = 1.28
                up time = 2010-06-30 13:35:13
                total storage = 7GB
                free storage = 6GB
                upload priority = 10
                source ip_addr =
                total_upload_count = 26
                success_upload_count = 26
                total_set_meta_count = 8
                success_set_meta_count = 8
                total_delete_count = 24
                success_delete_count = 24
                total_download_count = 16
                success_download_count = 16
                total_get_meta_count = 8
                success_get_meta_count = 8
                total_create_link_count = 0
                success_create_link_count = 0
                total_delete_link_count = 0
                success_delete_link_count = 0
                last_heart_beat_time = 2010-06-29 17:48:39
                last_source_update = 2010-06-30 14:06:40
                last_sync_update = 1970-01-01 08:00:00
                last_synced_timestamp= 1970-01-01 08:00:00
        Host 2:
                ip_addr = 192.168.2.203 (hdfs-4)  ACTIVE
                http domain =
                version = 1.28
                up time = 2010-07-08 09:14:37
                total storage = 7GB
                free storage = 6GB
                upload priority = 10
                source ip_addr = 192.168.2.201
                total_upload_count = 0
                success_upload_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
                last_heart_beat_time = 2010-06-29 17:48:37
                last_source_update = 1970-01-01 08:00:00
                last_sync_update = 2010-07-08 09:22:16
                last_synced_timestamp= 2010-06-30 14:06:40
        Host 3:
                ip_addr = 192.168.2.204 (hdfs-5)  ACTIVE
                http domain =
                version = 1.28
                up time = 2010-07-08 09:15:17
                total storage = 7GB
                free storage = 6GB
                upload priority = 10
                source ip_addr = 192.168.2.201
                total_upload_count = 0
                success_upload_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
                last_heart_beat_time = 2010-06-29 17:48:34
                last_source_update = 1970-01-01 08:00:00
                last_sync_update = 2010-07-08 09:21:57
                last_synced_timestamp= 2010-06-30 14:06:40
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