udev

[root@storage2-f15 ~]# vgcreate vg0 /dev/vdb3
  A volume group called vg0 already exists.
[root@storage2-f15 ~]# vgextend vg0 /dev/vdb3
  Volume group "vg0" successfully extended
[root@storage2-f15 ~]# lvcreate -L 1G -i 2 -n lv0 vg0
  Using default stripesize 64.00 KiB
  Logical volume "lv0" created
[root@storage2-f15 ~]# dmsetup table
VolGroup-lv_swap: 0 2097152 linear 252:2 17844224
VolGroup-lv_root: 0 17842176 linear 252:2 2048
vg0-lv0: 0 2097152 striped 2 128 252:18 2048 252:19 2048
新建分区：
cat << ENDF | fdisk /dev/vdb
n
p
1


+2G
w
ENDF


storage1:
  ls /dev/vdb
  ls /dev/vdb*
  fdisk /dev/vdb
  rpm -qa | grep gluster
  pvcreate /dev/vdb1
  vgcreate  gfsvg0 /dev/vdb1
  lvcreate -L 1G -T gfsvg0/pool0
  lvcreate -V 10G -T gfsvg0/pool0 -n gfslv0
  lvs
  mkfs.ext4 /dev/gfsvg0/gfslv0 
  mkdir /brick
  mount /dev/gfsvg0/gfslv0 /brick/
  setenforce 0
  iptables -F
  vi /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
172.25.15.10 storage1-f15.example.com storage1-f15
172.25.15.11 storage2-f15.example.com storage2-f15
172.25.15.12 storage3-f15.example.com storage3-f15


  yum install glusterfs-server -y
  service  glusterfs start
  service  glusterd start
  gluster peer probe storage2-f15
  gluster peer probe storage3-f15
  gluster peer status
  gluster peer detach storage3-f15
  gluster peer status
  gluster volume create testvol1 storage1-f15:/brick/vol1 storage2-f15:/brick/vol1
#分布式 
  gluster volume start testvol1
  ls /brick/vol1/
  gluster volume add-brick testvol1 storage3-f15:/brick/vol1
  ls /brick/vol1/
  gluster volume rebalance testvol1 fix-layout start
  ls /brick/vol1/
  gluster volume rebalance testvol1  start
  ls /brick/vol1/


 
 


----------------------------------------
  iscis1:
  yum install glusterfs-fuse -y
  mount 172.25.0.10:/testvol1 /mnt
  ls /mnt


  touch /mnt/file{1..10}
  ls /mnt
srorage1: ls /brick/vol2
storage2: ls /brick/vol2
  touch /mnt/file{20..50}
  ls /mnt
srorage1: ls /brick/vol2
storage2: ls /brick/vol2


-----------------------------------------
storage1:
 ls /tmp/.ICE-unix/
  cat /etc/hosts
  exit
  yum list  | grep  gluster
  ll /etc/yum.repos.d/
  cat  /etc/yum.repos.d/gluster.repo 


 gluster volume create testvol2 replica 2 storage1-f15:/brick/vol2 storage2-f15:/brick/vol2#条带式复制
  gluster volume start testvol2