Debian下配置GlusterFS安装和配置

服务端安装
初始化基础环境
假设2个节点做2个副本，修改hosts文件。追加 /etc/hosts：

192.168.18.15    storage-5
192.168.18.16    storage-6

格式化2台服务端的磁盘，多个存储节点都要执行：

apt-get -y install glusterfs-server # yum -y install glusterfs-server
mkfs.xfs -i size=512 /dev/sdb
mkdir -pv /mnt/gfs
mount /dev/sdb /mnt/gfs # 记得更新 /etc/fstab
mkdir -pv /mnt/gfs/public-share # 假设要新建一个 public-share 共享点

组建GlusterFS集群

glusterfsd --version
gluster peer probe storage-6 # 任1节点执行增加新节点

创建存储卷

gluster volume create public-share replica 2 storage-5:/mnt/gfs/public-share storage-6:/mnt/gfs/public-share
glusterfsd --version
gluster volume info
gluster volume status
gluster volume start public-share
gluster volume quota public-share  enable
gluster volume quota public-share  limit-usage / 1024GB
gluster volume set public-share performance.write-behind-window-size 512MB
gluster volume set public-share performance.cache-size 512MB
gluster volume set public-share performance.io-thread-count 32
gluster volume set public-share auth.allow 192.168.18.*,192.168.16.*
gluster volume set public-share nfs.disable on

客户端配置
安装客户端并挂载

wget -O - http://download.gluster.org/pub/gluster/glusterfs/3.7/3.7.5/Debian/jessie/pub.key | apt-key add -
echo 'deb http://download.gluster.org/pub/gluster/glusterfs/3.7/3.7.5/Debian/jessie/apt jessie main' > /etc/apt/sources.list.d/gluster.list
apt-get update
apt-get -y install glusterfs-client
mkdir -pv /mnt/gfs
mount -t glusterfs -o rw storage-5:/public-share /mnt/gfs # 记得添加开机启动或fstab

注意事项
不推荐使用nfs挂载，因为它有单点故障导致应用卡死。
客户端尽量同服务器版本保持一致，否则可能无法进行Runtime Setting：

# gluster volume set public-share auth.allow 192.168.*

volume set: failed: Staging failed on storage-5. Error: One or more connected clients cannot support the feature being set. These clients need to be upgraded or disconnected before running this command again

如果要使用nfs挂载，笔者的参数示例：

mount -t nfs -o rw,nosuid,nodev,noexec,nouser,bg,soft,intr,rsize=1048576,wsize=1048576,timeo=10,acregmin=3,acregmax=10,acdirmin=1,acdirmax=5 storage-5:/public-share /mnt/log

GlusterFS错误日志很多，加个计划任务每天清：

echo '#!/bin/bash' > /etc/cron.daily/clean-glusterfs
echo 'rm -f /var/log/glusterfs/*.log.*; for logfile in $(find /var/log/glusterfs -type f -name "*.log"); do :>$logfile ;done' >> /etc/cron.daily/clean-glusterfs
chmod +x /etc/cron.daily/clean-glusterfs

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Debian下配置GlusterFS安装和配置