小编给大家分享一下如何利用ceph rbd配置nfs，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
利用ceph rbd配置nfs
一种简单实用的存储方法，具体如下：
#安装nfs rpm
[root@osd1 current]# yum install nfs-utils rpcbind
Loaded plugins: fastestmirror, priorities, refresh-packagekit, security
Loading mirror speeds from cached hostfile
epel/metalink | 5.5 kB 00:00
* base: mirrors.cug.edu.cn
* epel: mirrors.yun-idc.com
* extras: mirrors.btte.net
* rpmforge: ftp.riken.jp
* updates: mirrors.btte.net
Ceph | 951 B 00:00
Ceph-noarch | 951 B 00:00
base | 3.7 kB 00:00
ceph-source | 951 B 00:00
epel | 4.4 kB 00:00
epel/primary_db | 6.3 MB 00:01
extras | 3.4 kB 00:00
rpmforge | 1.9 kB 00:00
updates | 3.4 kB 00:00
updates/primary_db | 188 kB 00:00
69 packages excluded due to repository priority protections
Setting up Install Process
Package rpcbind-0.2.0-11.el6.x86_64 already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package nfs-utils.x86_64 1:1.2.3-39.el6 will be updated
---> Package nfs-utils.x86_64 1:1.2.3-54.el6 will be an update
--> Finished Dependency Resolution
Dependencies Resolved
======================================================================================================================================
Package Arch Version Repository Size
======================================================================================================================================
Updating:
nfs-utils x86_64 1:1.2.3-54.el6 base 326 k
Transaction Summary
======================================================================================================================================
Upgrade 1 Package(s)
Total download size: 326 k
Is this ok [y/N]: y
Downloading Packages:
nfs-utils-1.2.3-54.el6.x86_64.rpm | 326 kB 00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Updating : 1:nfs-utils-1.2.3-54.el6.x86_64 1/2
Cleanup : 1:nfs-utils-1.2.3-39.el6.x86_64 2/2
Verifying : 1:nfs-utils-1.2.3-54.el6.x86_64 1/2
Verifying : 1:nfs-utils-1.2.3-39.el6.x86_64 2/2
Updated:
nfs-utils.x86_64 1:1.2.3-54.el6
#创建一个块并格式化、挂载
[root@osd1 current]# rbd create myrbd/nfs_image -s 1024000 --image-format=2
[root@osd1 current]# rbd map myrbd/nfs_image
/dev/rbd0
[root@osd1 current]# mkdir /mnt/nfs
[root@osd1 current]# mkfs.xfs /dev/rbd0
log stripe unit (4194304 bytes) is too large (maximum is 256KiB)
log stripe unit adjusted to 32KiB
meta-data=/dev/rbd0 isize=256 agcount=33, agsize=8190976 blks
= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=262144000, imaxpct=25
= sunit=1024 swidth=1024 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal log bsize=4096 blocks=128000, version=2
= sectsz=512 sunit=8 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
[root@osd1 current]# mount /dev/rbd0 -o rw,noexec,nodev,noatime,nobarrier /mnt/nfs
#改写exports文件，添加一行
[root@osd1 current]# vim /etc/exports
/mnt/nfs 192.168.108.0/24(rw,no_root_squash,no_subtree_check,async)
[root@osd1 current]# exportfs -r
这里还需要执行指令service rpcbind start
[root@osd1 current]# service nfs start
Starting NFS services: [ OK ]
Starting NFS quotas: [ OK ]
Starting NFS mountd: [ OK ]
Starting NFS daemon: [ OK ]
Starting RPC idmapd: [ OK ]
此时客户端就可以挂载了。客户端运行：
showmount -e 192.168.108.2
然后进行挂载：
mount -t nfs 192.168.108.2:/mnt/nfs /mnt/nfs
如果无法挂载，运行 service rpcbind start或 service portmap start命令试一下。
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