參考鏈接：https://github.com/zfsonlinux/zfs/wiki/RHEL-and-CentOS
參考鏈接：https://docs.oracle.com/cd/E24847_01/html/819-7065/docinfo.html#scrolltoc
一、安裝ZFS
1. AWS EC2鏡像如下：
2. 安裝yum源
#yum install -y http://download.zfsonlinux.org/epel/zfs-release.el6.noarch.rpm
#gpg --quiet --with-fingerprint /etc/pki/rpm-gpg/RPM-GPG-KEY-zfsonlinux
備注說明：
After installing the zfs-release package and verifying the public key users can opt to install ether the kABI-tracking kmod or DKMS style packages. For most users the kABI-tracking kmod packages are recommended in order to avoid needing to rebuild ZFS for every kernel update. DKMS packages are recommended for users running a non-distribution kernel or for users who wish to apply local customizations to ZFS on Linux.
注意：3和4選擇一種方法安裝即可，此處選擇3
3. 使用kmod安裝
（1）修改zfs.repo
#vi /etc/yum.repos.d/zfs.repo
[zfs]
name=ZFS on Linux for EL 7 - dkms
baseurl=http://download.zfsonlinux.org/epel/7/$basearch/
-enabled=1
+enabled=0
metadata_expire=7d
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-zfsonlinux
@@ -9,7 +9,7 @@
[zfs-kmod]
name=ZFS on Linux for EL 7 - kmod
baseurl=http://download.zfsonlinux.org/epel/7/kmod/$basearch/
-enabled=0
+enabled=1
metadata_expire=7d
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-zfsonlinux
（2）安裝zfs
#yum install –y zfs
（3）加載內核
#modprobe zfs
4. DKMS安裝
#yum install –y epel-release#yum install –y "kernel-devel-uname-r == $(uname -r)" zfs#modprobe zfs
二、創建zfspool
1. 創建存儲池
#zpool create <poolname> <device>
示例：zpool create mypool xvdf
示例raidz1：zpool create mypool raidz1 xvdb xvdc xvdd xvde xvdg xvdh
示例：掛載 zfs mount -a
三、配置NFS
1. 安裝nfs
#yum install –y nfs-utils rpcbind
#service rpcbind start
#service nfs start
#service nfslock start
#chkconfig rpcbind on
#chkconfig nfs on
#chkconfig nfslock on
2. 開啟NFS共享
#zfs sharenfs=on mypool
3. 配置nfs
#zfs set sharenfs=’rw=@0.0.0.0/0’ mypool
4. 啟動共享
#zfs share –a
5. 查看共享
#showmount –e localhost
6. 查看監聽端口
#rpcinfo –p
四、zfs擴容
示例：zpool add mypool raidz1 xvdb xvdc xvdd xvde xvdf xvdg xvdh
五、zfs快照
#zfs snapshot poolname@snapshotname
示例：zfs snapshot -r mypool@snapshot-`date '+%F-%H-%M-%S'`-`date +%s`
注：如果有子zfs文件系統，需要加-r遞歸創建快照
六、zfs設置容量限制
#zfs set quota=20T mypool/myfs1
七、zfswatcher安裝
參考鏈接：http://zfswatcher.damicon.fi/
1. 下載
#wget http://zfswatcher.damicon.fi/dist/zfswatcher-0.03-1.x86_64.rpm
2. 安裝
#yum install -y zfswatcher-0.03-1.x86_64.rpm
3. 修改配置文件
#vim /etc/zfs/zfswatcher.conf
4. 修改 [www] 模塊
enable改為true
bind 改為 可用端口，如80，8080等
修改 [wwwuser “root”] 模塊
password 設置密碼，需要使用zfswatcher -P生成hash值
5. 啟動服務
#service zfswatcher restart
6. iptables、安全組放行
7. 訪問
http://ip:port
用戶名：root
密碼：輸入設置的密碼
八、ZFS快照腳本
#!/bin/bash
#create and delete zfs snapshot for /mypool
cd /root/shell
#timestamp for delete snapshot
time0=$((`date +%s`-21600))
#create snapshot for mypool
/sbin/zfs snapshot -r mypool@snapshot-`date '+%F-%H-%M-%S'`-`date +%s`
#delete snapshot >6h
/sbin/zfs list -t snapshot mypool -r |grep "@"|awk '{print $1}' >delete_list1
cat delete_list1 | while read line
do
time1=`echo $line|awk -F- '{print $(NF)}'`
[[ ${time1} -lt ${time0} ]]&&/sbin/zfs destroy $line
done
——本文作者：趙毅鵬，沈磊