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本篇內容介紹了“CentOS 6.4怎么安裝及設置GlusterFS”的有關知識,在實際案例的操作過程中,不少人都會遇到這樣的困境,接下來就讓小編帶領大家學習一下如何處理這些情況吧!希望大家仔細閱讀,能夠學有所成!
GlusterFS因有很好的擴展性,使用的用戶很多,使用GlusterFS能夠解決網絡存儲、冗余備份等問題,那么在Linux下要如何安裝GlusterFS呢?今天小編以CentOS6.4為例,給大家介紹下CentOS6.4安裝配置GlusterFS的方法。
環境介紹:
OS: CentOS 6.4 x86_64 Minimal
Servers: sc2-log1,sc2-log2,sc2-log3,sc2-log4
Client: sc2-ads15
具體步驟:
1. 在sc2-log{1-4}上安裝GlusterFS軟件包:
代碼如下
# wget -P /etc/yum.repos.d http://download.gluster.org/pub/gluster/glusterfs/LATEST/CentOS/glusterfs-epel.repo
# yum install -y glusterfs-3.4.2-1.el6 glusterfs-server-3.4.2-1.el6 glusterfs-fuse-3.4.2-1.el6
# /etc/init.d/glusterd start
# chkconfig glusterfsd on
2. 在sc2-log1上配置整個GlusterFS集群:
代碼如下
[root@sc2-log1 ~]# gluster peer probe sc2-log1
1 peer probe: success: on localhost not needed
[root@sc2-log1 ~]# gluster peer probe sc2-log2
1 peer probe: success
[root@sc2-log1 ~]# gluster peer probe sc2-log3
1 peer probe: success
[root@sc2-log1 ~]# gluster peer probe sc2-log4
1 peer probe: success
[root@sc2-log1 ~]# gluster peer status
01 Number of Peers: 3
02
03 Hostname: sc2-log2
04 Port: 24007
05 Uuid: 399973af-bae9-4326-9cbd-b5b05e5d2927
06 State: Peer in Cluster (Connected)
07
08 Hostname: sc2-log3
09 Port: 24007
10 Uuid: 833a7b8d-e3b3-4099-baf9-416ee7213337
11 State: Peer in Cluster (Connected)
12
13 Hostname: sc2-log4
14 Port: 24007
15 Uuid: 54bf115a-0119-4021-af80-7a6bca137fd9
16 State: Peer in Cluster (Connected)
3. 在sc2-log{1-4}上創建數據存放目錄:
代碼如下
# mkdir -p /usr/local/share/{models,geoip,wurfl}
# ls -l /usr/local/share/
1 total 24
2 drwxr-xr-x 2 root root 4096 Apr 1 12:19 geoip
3 drwxr-xr-x 2 root root 4096 Apr 1 12:19 models
4 drwxr-xr-x 2 root root 4096 Apr 1 12:19 wurfl
4. 在sc2-log1上創建GlusterFS磁盤:
代碼如下
[root@sc2-log1 ~]# gluster volume create models replica 4 sc2-log1:/usr/local/share/models sc2-log2:/usr/local/share/models sc2-log3:/usr/local/share/models sc2-log4:/usr/local/share/models force
1 volume create: models: success: please start the volume to access data
[root@sc2-log1 ~]# gluster volume create geoip replica 4 sc2-log1:/usr/local/share/geoip sc2-log2:/usr/local/share/geoip sc2-log3:/usr/local/share/geoip sc2-log4:/usr/local/share/geoip force
1 volume create: geoip: success: please start the volume to access data
[root@sc2-log1 ~]# gluster volume create wurfl replica 4 sc2-log1:/usr/local/share/wurfl sc2-log2:/usr/local/share/wurfl sc2-log3:/usr/local/share/wurfl sc2-log4:/usr/local/share/wurfl force
1 volume create: wurfl: success: please start the volume to access data
[root@sc2-log1 ~]# gluster volume start models
1 volume start: models: success
[root@sc2-log1 ~]# gluster volume start geoip
1 volume start: geoip: success
[root@sc2-log1 ~]# gluster volume start wurfl
1 volume start: wurfl: success
[root@sc2-log1 ~]# gluster volume info
01 Volume Name: models
02 Type: Replicate
03 Volume ID: b29b22bd-6d8c-45c0-b199-91fa5a76801f
04 Status: Started
05 Number of Bricks: 1 x 4 = 4
06 Transport-type: tcp
07 Bricks:
08 Brick1: sc2-log1:/usr/local/share/models
09 Brick2: sc2-log2:/usr/local/share/models
10 Brick3: sc2-log3:/usr/local/share/models
11 Brick4: sc2-log4:/usr/local/share/models
12
13 Volume Name: geoip
14 Type: Replicate
15 Volume ID: 69b0caa8-7c23-4712-beae-6f536b1cffa3
16 Status: Started
17 Number of Bricks: 1 x 4 = 4
18 Transport-type: tcp
19 Bricks:
20 Brick1: sc2-log1:/usr/local/share/geoip
21 Brick2: sc2-log2:/usr/local/share/geoip
22 Brick3: sc2-log3:/usr/local/share/geoip
23 Brick4: sc2-log4:/usr/local/share/geoip
24
25 Volume Name: wurfl
26 Type: Replicate
27 Volume ID: c723a99d-eeab-4865-819a-c0926cf7b88a
28 Status: Started
29 Number of Bricks: 1 x 4 = 4
30 Transport-type: tcp
31 Bricks:
32 Brick1: sc2-log1:/usr/local/share/wurfl
33 Brick2: sc2-log2:/usr/local/share/wurfl
34 Brick3: sc2-log3:/usr/local/share/wurfl
35 Brick4: sc2-log4:/usr/local/share/wurfl
5. 在sc2-ads15上部署客戶端并mount GlusterFS文件系統:
[sc2-ads15][root@sc2-ads15 ~]# wget -P /etc/yum.repos.d http://download.gluster.org/pub/gluster/glusterfs/LATEST/CentOS/glusterfs-epel.repo
[sc2-ads15][root@sc2-ads15 ~]# yum install -y glusterfs-3.4.2-1.el6 glusterfs-fuse-3.4.2-1.el6
[sc2-ads15][root@sc2-ads15 ~]# mkdir -p /mnt/{models,geoip,wurfl}
[sc2-ads15][root@sc2-ads15 ~]# mount -t glusterfs -o ro sc2-log3:models /mnt/models/
[sc2-ads15][root@sc2-ads15 ~]# mount -t glusterfs -o ro sc2-log3:geoip /mnt/geoip/
[sc2-ads15][root@sc2-ads15 ~]# mount -t glusterfs -o ro sc2-log3:wurfl /mnt/wurfl/
[sc2-ads15][root@sc2-ads15 ~]# df -h
1 Filesystem Size Used Avail Use% Mounted on
2 /dev/mapper/vg_t-lv_root
3 59G 7.7G 48G 14% /
4 tmpfs 3.9G 0 3.9G 0% /dev/shm
5 /dev/xvda1 485M 33M 428M 8% /boot
6 sc2-log3:models 98G 8.6G 85G 10% /mnt/models
7 sc2-log3:geoip 98G 8.6G 85G 10% /mnt/geoip
8 sc2-log3:wurfl 98G 8.6G 85G 10% /mnt/wurfl
6. 相關數據讀寫可用性測試:
在sc2-ads15掛載點上寫入數據:
代碼如下
[sc2-ads15][root@sc2-ads15 ~]# umount /mnt/models
[sc2-ads15][root@sc2-ads15 ~]# mount -t glusterfs sc2-log3:models /mnt/models/
[sc2-ads15][root@sc2-ads15 ~]# echo “This is sc2-ads15” 》 /mnt/models/hello.txt
[sc2-ads15][root@sc2-ads15 ~]# mkdir /mnt/testdir
在sc2-log1數據目錄中進行查看:
[root@sc2-log1 ~]# ls /usr/local/share/models/
1 hello.txt testdir
結果: 數據寫入成功
在sc2-log1數據目錄中直接寫入數據:
代碼如下
[root@sc2-log1 ~]# echo “This is sc2-log1” 》 /usr/local/share/models/hello.2.txt
[root@sc2-log1 ~]# mkdir /usr/local/share/models/test2
在sc2-ads15掛載點上進行查看:
[sc2-ads15][root@sc2-ads15 ~]# ls /mnt/models
[sc2-ads15][root@sc2-ads15 ~]# ls -l /mnt/models
1 hello.txt testdir
結果: 數據寫入失敗
在sc2-log1掛載點上寫入數據:
代碼如下
[root@sc2-log1 ~]# mount -t glusterfs sc2-log1:models /mnt/models/
[root@sc2-log1 ~]# echo “This is sc2-log1” 》 /mnt/models/hello.3.txt
[root@sc2-log1 ~]# mkdir /mnt/models/test3
在sc2-ads15掛載點上進行查看:
[sc2-ads15][root@sc2-ads15 models]# ls /mnt/models
1 hello.2.txt hello.3.txt hello.txt test2 test3 testdir
結果: 數據寫入成功,同時之前寫入失敗的數據也成功加載了。
最終結論:
在數據目錄中直接寫入數據,會導致其它節點因為得不到通知而使數據同步失敗。
正確的做法是所有的讀寫操作都通過掛載點來進行。
7. 其它操作筆記:
刪除GlusterFS磁盤:
代碼如下
# gluster volume stop models
# gluster volume delete models
卸載GlusterFS磁盤:
代碼如下
sc2-log4
ACL訪問控制:
代碼如下
# gluster volume set models auth.allow 10.60.1.*,10.70.1.*
添加GlusterFS節點:
代碼如下
# gluster peer probe sc2-log5
# gluster peer probe sc2-log6
# gluster volume add-brick models sc2-log5:/data/gluster sc2-log6:/data/gluster
遷移GlusterFS磁盤數據:
代碼如下
# gluster volume remove-brick models sc2-log1:/usr/local/share/models sc2-log5:/usr/local/share/models start
# gluster volume remove-brick models sc2-log1:/usr/local/share/models sc2-log5:/usr/local/share/models status
# gluster volume remove-brick models sc2-log1:/usr/local/share/models sc2-log5:/usr/local/share/models commit
修復GlusterFS磁盤數據(例如在sc2-log1宕機的情況下):
代碼如下
# gluster volume replace-brick models sc2-log1:/usr/local/share/models sc2-log5:/usr/local/share/models commit -force
# gluster volume heal models full
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