<strong><span style="font-size:14px;">主机规划</span></strong>
其中前四个节点为配置glusterfs 分布式、复制、分布+复制、Geo异地同步等。其中前四个节点用于几种类型存储配置，第五台主机用作client访问、和Geo异常容灾模拟。需要注意的是，如下所有的配置中，我使用的都是IP，<span style="color:#E53333;">现网中建议使用主机名或域名的方式配置</span>，这个IP发生变更时，无需在glusterfs中进行修改，只在dns中修改下指向IP即可。
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<table style="width:50%;" cellpadding="2" cellspacing="0" border="1" bordercolor="#000000">
<tbody>
<tr>
<td>
<br />
</td>
<td>
主机名
</td>
<td>
IP地址
</td>
</tr>
<tr>
<td>
node1
</td>
<td>
server2-a.example.com<br />
</td>
<td>
172.25.2.10<br />
</td>
</tr>
<tr>
<td>
node2
</td>
<td>
<span>server2-b.example.com</span><br />
</td>
<td>
<span>172.25.2.11</span><br />
</td>
</tr>
<tr>
<td>
node3
</td>
<td>
<span>server2-c.example.com</span><br />
</td>
<td>
<span>172.25.2.12</span><br />
</td>
</tr>
<tr>
<td>
node4
</td>
<td>
<span>server2-d.example.com</span><br />
</td>
<td>
<span>172.25.2.13</span><br />
</td>
</tr>
<tr>
<td>
node5
</td>
<td>
<span>server2-e.example.com</span><br />
</td>
<td>
<span>172.25.2.14</span><br />
</td>
</tr>
</tbody>
</table>
<br />
<img src="https://www.361way.com/wp-content/uploads/2016/02/glusterfs-peer.png" width="489" height="165" title="glusterfs-peer" alt="glusterfs-peer" />
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[root@server2-a ~]# gluster
gluster> peer probe 172.25.2.10
peer probe: success. Probe on localhost not needed
gluster> peer probe 172.25.2.11
peer probe: success.
gluster> peer probe 172.25.2.12
peer probe: success.
gluster> peer probe 172.25.2.13
peer probe: success.
gluster>
<img src="https://www.361way.com/wp-content/uploads/2016/02/glusterfs-bricks.png" width="444" height="263" title="glusterfs-bricks" alt="glusterfs-bricks" />
<br />
[root@server2-a ~]# mkdir -p /bricks/test
[root@server2-a ~]# mkdir -p /bricks/data
[root@server2-a ~]# vgs
VG #PV #LV #SN Attr VSize VFree
vg_bricks 1 0 0 wz--n- 14.59g 14.59g
[root@server2-a ~]# lvcreate -L 13G -T vg_bricks/brickspool
Logical volume "lvol0" created
Logical volume "brickspool" created
[root@server2-a ~]# lvcreate -V 3G -T vg_bricks/brickspool -n brick_a1
Logical volume "brick_a1" created
[root@server2-a ~]# lvcreate -V 3G -T vg_bricks/brickspool -n brick_a2
Logical volume "brick_a2" created
[root@server2-a ~]# mkfs.xfs -i size=512 /dev/vg_bricks/brick_a1
[root@server2-a ~]# mkfs.xfs -i size=512 /dev/vg_bricks/brick_a2
[root@server2-a ~]# cat /etc/fstab |grep -v \#
UUID=0cad9910-91e8-4889-8764-fab83b8497b9 / ext4 defaults 1 1
UUID=661c5335-6d03-4a7b-a473-a842b833f995 /boot ext4 defaults 1 2
UUID=b37f001b-5ef3-4589-b813-c7c26b4ac2af swap swap defaults 0 0
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
/dev/vg_bricks/brick_a1 /bricks/test/ xfs defaults 0 0
/dev/vg_bricks/brick_a2 /bricks/data/ xfs defaults 0 0
[root@server2-a ~]# mount -a
[root@server2-a ~]# df -h
[root@server2-a ~]# mkdir -p /bricks/test/testvol_n1
[root@server2-a ~]# mkdir -p /bricks/data/datavol_n1
<img src="https://www.361way.com/wp-content/uploads/2016/02/brick-lvm.png" width="414" height="240" alt="" />
<br />
[root@server2-b ~]# mkdir -p /bricks/test
[root@server2-b ~]# mkdir -p /bricks/data
[root@server2-b ~]# lvcreate -L 13G -T vg_bricks/brickspool
[root@server2-b ~]# lvcreate -V 3G -T vg_bricks/brickspool -n brick_b1
[root@server2-b ~]# lvcreate -V 3G -T vg_bricks/brickspool -n brick_b2
[root@server2-b ~]# mkfs.xfs -i size=512 /dev/vg_bricks/brick_b1
[root@server2-b ~]# mkfs.xfs -i size=512 /dev/vg_bricks/brick_b2
/dev/vg_bricks/brick_b1 /bricks/test/ xfs defaults 0 0
/dev/vg_bricks/brick_b2 /bricks/data/ xfs defaults 0 0
[root@server2-b ~]# mount -a
[root@server2-b ~]# df -h
[root@server2-b ~]# mkdir -p /bricks/test/testvol_n2
[root@server2-b ~]# mkdir -p /bricks/data/datavol_n2
<img src="https://www.361way.com/wp-content/uploads/2016/02/brick-xfs.png" width="484" height="265" title="brick-xfs" alt="brick-xfs" />
<br />
[root@server2-c ~]# mkdir -p /bricks/safe
[root@server2-c ~]# mkdir -p /bricks/data
[root@server2-c ~]# lvcreate -L 13G -T vg_bricks/brickspool
[root@server2-c ~]# lvcreate -V 3G -T vg_bricks/brickspool -n brick_c1
[root@server2-c ~]# lvcreate -V 3G -T vg_bricks/brickspool -n brick_c2
[root@server2-c ~]# mkfs.xfs -i size=512 /dev/vg_bricks/brick_c1
[root@server2-c ~]# mkfs.xfs -i size=512 /dev/vg_bricks/brick_c2
/dev/vg_bricks/brick_c1 /bricks/safe/ xfs defaults 0 0
/dev/vg_bricks/brick_c2 /bricks/data/ xfs defaults 0 0
[root@server2-c ~]# mount -a
[root@server2-c ~]# df -h
[root@server2-c ~]# mkdir -p /bricks/safe/safevol_n3
[root@server2-c ~]# mkdir -p /bricks/data/datavol_n3
<img src="https://www.361way.com/wp-content/uploads/2016/02/brick-rep.png" width="492" height="262" title="bricks-rep" alt="bricks-rep" />
<br />
[root@server2-d ~]# mkdir -p /bricks/safe
[root@server2-d ~]# mkdir -p /bricks/data
[root@server2-d ~]# lvcreate -L 13G -T vg_bricks/brickspool
[root@server2-d ~]# lvcreate -V 3G -T vg_bricks/brickspool -n brick_d1
[root@server2-d ~]# lvcreate -V 3G -T vg_bricks/brickspool -n brick_d2
[root@server2-d ~]# mkfs.xfs -i size=512 /dev/vg_bricks/brick_d1
[root@server2-d ~]# mkfs.xfs -i size=512 /dev/vg_bricks/brick_d2
/dev/vg_bricks/brick_d1 /bricks/safe/ xfs defaults 0 0
/dev/vg_bricks/brick_d2 /bricks/data/ xfs defaults 0 0
[root@server2-d ~]# mount -a
[root@server2-d ~]# df -h
[root@server2-d ~]# mkdir -p /bricks/safe/safevol_n4
[root@server2-d ~]# mkdir -p /bricks/data/datavol_n4
<img src="https://www.361way.com/wp-content/uploads/2016/02/distributed-volume.png" width="584" height="183" title="distributed-volume" alt="distributed-volume" />
<br />
[root@server2-a ~]# gluster
gluster> volume create testvol 172.25.2.10:/bricks/test/testvol_n1 172.25.2.11:/bricks/test/testvol_n2
volume create: testvol: success: please start the volume to access data
gluster> volume start testvol
volume start: testvol: success
gluster> volume set testvol auth.allow 172.25.2.*
gluster> volume list
gluster> volume info testvol
<img src="https://www.361way.com/wp-content/uploads/2016/02/replicated-volume.png" width="593" height="207" title="distributed-volume" alt="distributed-volume" />
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[root@server2-a ~]# gluster
gluster> volume create safevol replica 2 172.25.2.12:/bricks/safe/safevol_n3 172.25.2.13:/bricks/safe/safevol_n4
gluster> volume start safevol
gluster> volume set testvol auth.allow 172.25.2.*
gluster> volume list
gluster> volume info safevol
<img src="https://www.361way.com/wp-content/uploads/2016/02/dis-rep-volume.png" width="582" height="303" title="dis-rep-volume" alt="dis-rep-volume" />
<br />
[root@server2-a ~]# gluster
gluster> volume create datavol replica 2 172.25.2.10:/bricks/data/datavol_n4 172.25.2.11:/bricks/data/datavol_n4 172.25.2.12:/bricks/data/datavol_n4 172.25.2.13:/bricks/data/datavol_n4
gluster> volume start datavol
gluster> volume set testvol auth.allow 172.25.2.*
gluster> volume list
gluster> volume info datavol
<img src="https://www.361way.com/wp-content/uploads/2016/02/mount-glusterfs.png" width="580" height="202" title="mount-glusterfs" alt="mount-glusterfs" />
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[root@server2-e ~]# cat /etc/fstab |grep -v \#
UUID=0cad9910-91e8-4889-8764-fab83b8497b9 / ext4 defaults 1 1
UUID=661c5335-6d03-4a7b-a473-a842b833f995 /boot ext4 defaults 1 2
UUID=b37f001b-5ef3-4589-b813-c7c26b4ac2af swap swap defaults 0 0
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
172.25.2.10:/testvol /test glusterfs _netdev,acl 0 0
172.25.2.10:/safevol /safe nfs _netdev 0 0
172.25.2.10:/datavol /data glusterfs _netdev 0 0
[root@server2-e ~]# mkdir /test /safe /data
[root@server2-e ~]# mount -a
[root@server2-e ~]# df -h
<img src="https://www.361way.com/wp-content/uploads/2016/02/glusterfs-acl.png" width="583" height="291" title="glusterfs-acl" alt="glusterfs-acl" />
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[root@server2-e ~]# mkdir -p /test/confidential
[root@server2-e ~]# groupadd admins
[root@server2-e ~]# chgrp admins /test/confidential/
[root@server2-e ~]# useradd suresh
[root@server2-e ~]# cd /test/
[root@server2-e test]# setfacl -m u:suresh:rwx /test/confidential/
[root@server2-e test]# setfacl -m d:u:suresh:rwx /test/confidential/
[root@server2-e test]# useradd anita
[root@server2-e test]# setfacl -m u:anita:rx /test/confidential/
[root@server2-e test]# setfacl -m d:u:anita:rx /test/confidential/
[root@server2-e test]# chmod o-rx /test/confidential/
<img src="https://www.361way.com/wp-content/uploads/2016/02/glusterfs-quota.png" width="554" height="182" title="glusterfs-quota" alt="glusterfs-quota" />
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[root@server2-e ~]# mkdir -p /safe/mailspool
[root@server2-a ~]# gluster
gluster> volume
gluster> volume quota safevol enable
gluster> volume quota safevol limit-usage /mailspool 192MB
gluster> volume quota safevol list
[root@server2-e ~]# chmod o+w /safe/mailspool
<img src="https://www.361way.com/wp-content/uploads/2016/02/glusterfs-geo.png" width="591" height="268" title="Geo-replication" alt="Geo-replication" />
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[root@server2-e ~]# lvcreate -L 13G -T vg_bricks/brickspool
[root@server2-e ~]# lvcreate -V 8G -T vg_bricks/brickspool -n slavebrick1
[root@server2-e ~]# mkfs.xfs -i size=512 /dev/vg_bricks/slavebrick1
[root@server2-e ~]# mkdir -p /bricks/slavebrick1
[root@server2-e ~]# vim /etc/fstab
/dev/vg_bricks/slavebrick1 /bricks/slavebrick1 xfs defaults 0 0
[root@server2-e ~]# mount -a
[root@server2-e ~]# mkdir -p /bricks/slavebrick1/brick
[root@server2-e ~]# gluster volume create testrep 172.25.2.14:/bricks/slavebrick1/brick/
[root@server2-e ~]# gluster volume start testrep
[root@server2-e ~]# groupadd repgrp
[root@server2-e ~]# useradd georep -G repgrp
[root@server2-e ~]# passwd georep
[root@server2-e ~]# mkdir -p /var/mountbroker-root
[root@server2-e ~]# chmod 0711 /var/mountbroker-root/
[root@server2-e ~]# cat /etc/glusterfs/glusterd.vol
volume management
type mgmt/glusterd
option working-directory /var/lib/glusterd
option transport-type socket,rdma
option transport.socket.keepalive-time 10
option transport.socket.keepalive-interval 2
option transport.socket.read-fail-log off
option ping-timeout 0
# option base-port 49152
option rpc-auth-allow-insecure on
option mountbroker-root /var/mountbroker-root/
option mountbroker-geo-replication.georep testrep
option geo-replication-log-group repgrp
end-volume
[root@server2-e ~]# /etc/init.d/glusterd restart
[root@server2-a ~]# ssh-keygen
[root@server2-a ~]# ssh-copy-id georep@172.25.2.14
[root@server2-a ~]# ssh georep@172.25.2.14
[root@server2-a ~]# gluster system:: execute gsec_create
[root@server2-a ~]# gluster volume geo-replication testvol georep@172.25.2.14::testrep create push-pem
[root@server2-e ~]# sh /usr/libexec/glusterfs/set_geo_rep_pem_keys.sh georep testvol testrep
[root@server2-a ~]# gluster volume geo-replication testvol georep@172.25.2.14::testrep start
[root@server2-a ~]# gluster volume geo-replication testvol georep@172.25.2.14::testrep status
<img src="https://www.361way.com/wp-content/uploads/2016/02/glusterfs-snapshot.png" width="574" height="138" title="glusterfs-snapshot" alt="glusterfs-snapshot" />
[root@server2-a ~]# gluster snapshot create safe-snap safevol
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