源码编译安装使用glusterfs

注：使用源码安装的原因主要是使用yum安装glusterfs服务端时出现一些依赖库问题

准备3台glusterfs服务器(官方也建议至少3台，防止发生脑裂)，并在各个服务器的/etc/hosts下面添加如下内容(如使用DNS服务器，则在DNS中添加域名解析)

10.85.3.113 glusterfs-1.example.com
10.85.3.114 glusterfs-2.example.com
10.85.3.115 glusterfs-3.example.com

参照官方文档Build and Install GlusterFS安装依赖库

# yum install autoconf automake bison cmockery2-devel dos2unix flex fuse-devel glib2-devel libacl-devel libaio-devel libattr-devel libcurl-devel libibverbs-devel librdmacm-devel libtirpc-devel libtool libxml2-devel lvm2-devel make openssl-devel pkgconfig pyliblzma python-devel python-eventlet python-netifaces python-paste-deploy python-simplejson python-sphinx python-webob pyxattr readline-devel rpm-build sqlite-devel systemtap-sdt-devel tar userspace-rcu-devel

下载userspace-rcu-master并解压到/home/userspace-rcu-master
下载glusterfs-xlators/master并解压到/home/glusterfs-xlators-master
编译userspace-rcu

# cd userspace-rcu-master
# ./bootstrap
# ./configure
# make && make install
# ldconfig

下载glusterfs源码并解压到/home/glusterfs-5.7，本次版本为5.7

将glusterfs的lib拷贝到系统目录(编译gluster的时候会用到)

# cd /home/glusterfs-5.7 
# cp -r libglusterfs/src /usr/local/include/glusterfs

安装依赖库uuid，yum install -y libuuid-devel
拷贝glupy(编译gluster的时候会用到)

# cp -r /home/glusterfs-xlators-master/xlators/glupy/ /home/glusterfs-5.7/xlators/features/

按照官方文档在执行glusterfs按照

# cd /home/glusterfs-5.7
# ./autogen.sh
# ./configure --without-libtirpc
# ./configure --enable-gnfs
# make
# make install

在make的时候可能会遇到如下错误

../../../../contrib/userspace-rcu/rculist-extra.h:33:6: error: redefinition of 'cds_list_add_tail_rcu'
 void cds_list_add_tail_rcu(struct cds_list_head *newp,
      ^
In file included from glusterd-rcu.h:15:0,
                 from glusterd-sm.h:26,
                 from glusterd.h:28,
                 from glusterd.c:19:
/usr/local/include/urcu/rculist.h:44:6: note: previous definition of 'cds_list_add_tail_rcu' was here
 void cds_list_add_tail_rcu(struct cds_list_head *newp,

给下述文件的cds_list_add_tail_rcu函数加上条件编译即可

/usr/local/include/urcu/rculist.h
/home/glusterfs-5.7/contrib/userspace-rcu/rculist-extra.h

#ifndef CDS_LIST_ADD_TAIL_CRU
#define CDS_LIST_ADD_TAIL_CRU
static inline
void cds_list_add_tail_rcu(struct cds_list_head *newp,
                struct cds_list_head *head)
{
        newp->next = head;
        newp->prev = head->prev;
        rcu_assign_pointer(head->prev->next, newp);
        head->prev = newp;
}
#endif

在3台服务器执行如下命令，格式化磁盘并挂载目录

mkfs.xfs -i size=512 /dev/vdb
mkdir -p /data/brick 
echo '/dev/vdb /data/brick xfs defaults 1 2' >> /etc/fstab
mount -a && mount

在3台服务器执行如下命令，设置开机启动并启动glusterfs

# chkconfig glusterd on
# glusterd

在master1上执行如下命令，添加对端

# gluster peer probe glusterfs-1.example.com
# gluster peer probe glusterfs-2.example.com
# gluster peer probe glusterfs-3.example.com
# gluster peer status

在master1上创建并启动volume，大小为5G

gluster volume create volume-5G replica 3  glusterfs-1.example.com:/data/brick/glusterfs1 glusterfs-2.example.com:/data/brick/glusterfs2 glusterfs-3.example.com:/data/brick/glusterfs3
gluster volume start volume-5G

使用如下命令查看volume

gluster volume status
gluster volume info

容器环境下推荐Replicated 模式，更多信息参见官方文档，注意部分模式已经废弃

在客户端机器上安装glusterfs客户端

# yum install glusterfs-client -y

在客户端挂载服务端volume，第一种方式为采用nfs挂载，第二种采用glusterfs命令行挂载，效果一样

mount -t glusterfs glusterfs-1.example.com:/volume-5G /data/mounttest/
glusterfs --volfile-id=volume-5G --volfile-server=glusterfs-1.example.com /data/glusterfsclient

PS:

gluster命令行可以参见官方文档
在删除volume再添加时可能会出现如"Error: /data/brick/glusterfs1 is already part"的错误，使用如下方式清理环境即可

# rm -rf /data/brick/glusterfs1/.glusterfs/
# setfattr -x trusted.glusterfs.volume-id /data/brick/glusterfs1/

参考：

https://www.cnblogs.com/jicki/p/5801712.html

https://www.ibm.com/developerworks/cn/opensource/os-cn-glusterfs-docker-volume/index.html

https://jimmysong.io/kubernetes-handbook/practice/using-glusterfs-for-persistent-storage.html

源码编译安装使用glusterfs

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