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Editor to share with you how to use ceph rbd to configure nfs, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Configure nfs with ceph rbd

A simple and practical storage method, which is as follows:

# install nfs rpm [root@osd1 current] # yum install nfs-utils rpcbindLoaded plugins: fastestmirror, priorities, refresh-packagekit SecurityLoading mirror speeds from cached hostfileepel/metalink | 5.5kB 00:00 * base: mirrors.cug.edu.cn * epel: mirrors.yun-idc.com * extras: mirrors.btte.net * rpmforge: ftp.riken.jp * updates: mirrors.btte.netCeph | | 951B 00:00 Ceph-noarch | 951B 00:00 base | | | 3.7 kB 00:00 ceph-source | 951B | 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 protectionsSetting up Install ProcessPackage rpcbind-0.2.0-11.el6.x86_64 already installed and latest versionResolving Dependencies-- > Running transaction check--- > Package nfs-utils.x86_64 1buret 1.2.3-39.el6 will be updated--- > Package nfs-utils.x86_64 1purl 1.2.3-54.el6 will be an | Update-- > Finished Dependency ResolutionDependencies Resolved= Package Arch Version Repository Size=Updating: nfs-utils x86'64 1purl 1.2.3-54.el6 base 326 kTransaction Summary=Upgrade 1 Package (s) Total download size: 326 kIs this ok [y yDownloading Packages:nfs-utils-1.2.3 N]: yDownloading Packages:nfs-utils-1.2.3-54.el6.x86_64.rpm | 326 kB 00:00 Running rpm_check_debugRunning Transaction TestTransaction Test SucceededRunning Transaction Updating: 1:nfs-utils-1 .2.3-54.el6.x86_64 1 Cleanup 2 Cleanup: 1:nfs-utils-1.2.3-39.el6.x86_64 2 Verifying: 1:nfs-utils-1.2.3-54.el6.x86_64 1 Verifying: 1:nfs-utils-1.2.3-39.el6.x86_64 2 Updated: nfs-utils.x86_64 1 Updated 1.2.3-54.el6 # create a block and format, Mount [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/rbd0log stripe unit (4194304 bytes) is too large (maximum is 256KiB) log stripe unit adjusted to 32KiBmeta-data=/dev/rbd0 isize=256 agcount=33 Agsize=8190976 blks = sectsz=512 attr=2, projid32bit=0data = bsize=4096 blocks=262144000, imaxpct=25 = sunit=1024 swidth=1024 blksnaming = version 2 bsize=4096 ascii-ci=0log = internal log bsize=4096 blocks=128000, version=2 = sectsz=512 sunit=8 blks, lazy-count=1realtime = none extsz=4096 blocks=0 Rtextents=0 [root@osd1 current] # mount / dev/rbd0-o rw,noexec,nodev,noatime,nobarrier / mnt/nfs# overwrites the exports file Add a line [root@osd1 current] # vim / etc/exports/mnt/nfs 192.168.108.0 to 24 (rw,no_root_squash,no_subtree_check Async) [root@osd1 current] # exportfs-r also need to execute the instruction service rpcbind start [root@osd1 current] # service nfs startStarting NFS services: [OK] Starting NFS quotas: [OK] Starting NFS mountd: [OK] Starting NFS daemon: [OK] Starting RPC idmapd: [OK] at this point, the client can mount it. Client runs: showmount-e 192.168.108.2 and then mounts: mount-t nfs 192.168.108.2:/mnt/nfs / mnt/nfs

If it cannot be mounted, run the service rpcbind start or service portmap start command to try it.

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