Ubuntu 12.04 Ceph分布式文件系统之部署
时间:2015-10-17 02:52 来源:未知 作者:IT
二、 Ceph快速配置
资源:
两台机器:一台server,一台client,安装ubuntu12.04
其中,server安装时,另外分出两个区,作为osd0、osd1的存储,没有的话,系统安装好后,使用loop设备虚拟出两个也可以。
步骤:
1、服务端安装CEPH (MON、MDS、OSD)
2、添加key到APT中,更新sources.list,安装ceph
#sudo wget -q -O- 'https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/release.asc' | sudo apt-key add -
#sudo echo deb http://ceph.com/debian/ $(lsb_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list
# sudo apt-get update && sudo apt-get install ceph
3、查看版本
# ceph-v //将显示ceph的版本和key信息
如果没有显示,请执行如下命令
# sudo apt-get update && apt-get upgrade
4、在/etc/ceph/下创建ceph.conf配置文件,并将配置文件拷贝到其它服务端。
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[global]
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# For version 0.55 and beyond, you must explicitly enable
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# or disable authentication with "auth" entries in [global].
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auth cluster required = none
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auth service required = none
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auth client required = none
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[osd]
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osd journal size = 1000
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#The following assumes ext4 filesystem.
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filestore xattr use omap = true
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# For Bobtail (v 0.56) and subsequent versions, you may
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# add settings for mkcephfs so that it will create and mount
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# the file system on a particular OSD for you. Remove the comment `#`
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# character for the following settings and replace the values
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# in braces with appropriate values, or leave the following settings
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# commented out to accept the default values. You must specify the
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# --mkfs option with mkcephfs in order for the deployment script to
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# utilize the following settings, and you must define the 'devs'
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# option for each osd instance; see below.
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osd mkfs type = xfs
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osd mkfs options xfs = -f # default for xfs is "-f"
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osd mount options xfs = rw,noatime # default mount option is "rw,noatime"
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# For example, for ext4, the mount option might look like this:
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#osd mkfs options ext4 = user_xattr,rw,noatime
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# Execute $ hostname to retrieve the name of your host,
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# and replace {hostname} with the name of your host.
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# For the monitor, replace {ip-address} with the IP
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# address of your host.
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[mon.a]
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host = compute-01
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mon addr = 192.168.4.165:6789
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[osd.0]
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host = compute-02
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# For Bobtail (v 0.56) and subsequent versions, you may
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# add settings for mkcephfs so that it will create and mount
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# the file system on a particular OSD for you. Remove the comment `#`
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# character for the following setting for each OSD and specify
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# a path to the device if you use mkcephfs with the --mkfs option.
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devs = /dev/sda7
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[mds.a]
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host = compute-01
5、创建目录
sudo mkdir -p /var/lib/ceph/osd/ceph-0
sudo mkdir -p /var/lib/ceph/osd/ceph-1
sudo mkdir -p /var/lib/ceph/mon/ceph-a
sudo mkdir -p /var/lib/ceph/mds/ceph-a
6、创建分区与挂载
fdisk /dev/sda //创建sda6分区
mkfs.xfs -f /dev/sda7
mount /dev/sda7 /var/lib/ceph/osd/ceph-0 (第一次必须先挂载分区写入初始化数据)
7、执行初始化
sudo mkcephfs -a -c /etc/ceph/ceph.conf -k /etc/ceph/ceph.keyring
8、启动
# sudo service ceph -a start
9、执行健康检查
sudo ceph health
如果返回的是 HEALTH_OK,代表成功!
出现: HEALTH_WARN 576 pgs stuck inactive; 576 pgs stuck unclean; no osds之类的,请执行:
#ceph pg dump_stuck stale
#ceph pg dump_stuck inactive
#ceph pg dump_stuck unclean
再次健康检查是,应该是OK
注意:重新执行如下命令#sudo mkcephfs -a -c /etc/ceph/ceph.conf -k ceph.keyring前,所有服务端停止ceph服务在清空创建的四个目录:/var/lib/ceph/osd/ceph-0、/var/lib/ceph/osd/ceph-1、/var/lib/ceph/mon/ceph-a、/var/lib/ceph/mds/ceph-a
#/etc/init.d/ceph stop
# rm –frv /var/lib/ceph/osd/ceph-0/*
# rm –frv /var/lib/ceph/osd/ceph-1/*
# rm –frv /var/lib/ceph/mon/ceph-a/*
# rm –frv /var/lib/ceph/mds/ceph-a/*
三、 CephFS的使用
在客户端上操作:
sudo mkdir /mnt/mycephfs
sudo mount -t ceph {ip-address-of-monitor}:6789:/ /mnt/mycephfs
或者
sudo mkdir /home/{username}/cephfs
sudo ceph-fuse -m {ip-address-of-monitor}:6789 /home/{username}/cephfs
# df –h 查看
(责任编辑:IT)
二、 Ceph快速配置 资源: 两台机器:一台server,一台client,安装ubuntu12.04 其中,server安装时,另外分出两个区,作为osd0、osd1的存储,没有的话,系统安装好后,使用loop设备虚拟出两个也可以。 步骤: 1、服务端安装CEPH (MON、MDS、OSD) 2、添加key到APT中,更新sources.list,安装ceph #sudo wget -q -O- 'https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/release.asc' | sudo apt-key add - #sudo echo deb http://ceph.com/debian/ $(lsb_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list # sudo apt-get update && sudo apt-get install ceph 3、查看版本 # ceph-v //将显示ceph的版本和key信息 如果没有显示,请执行如下命令 # sudo apt-get update && apt-get upgrade 4、在/etc/ceph/下创建ceph.conf配置文件,并将配置文件拷贝到其它服务端。
sudo mkdir -p /var/lib/ceph/osd/ceph-0 sudo mkdir -p /var/lib/ceph/osd/ceph-1 sudo mkdir -p /var/lib/ceph/mon/ceph-a sudo mkdir -p /var/lib/ceph/mds/ceph-a 6、创建分区与挂载 fdisk /dev/sda //创建sda6分区 mkfs.xfs -f /dev/sda7 mount /dev/sda7 /var/lib/ceph/osd/ceph-0 (第一次必须先挂载分区写入初始化数据) 7、执行初始化 sudo mkcephfs -a -c /etc/ceph/ceph.conf -k /etc/ceph/ceph.keyring 8、启动 # sudo service ceph -a start 9、执行健康检查 sudo ceph health 如果返回的是 HEALTH_OK,代表成功! 出现: HEALTH_WARN 576 pgs stuck inactive; 576 pgs stuck unclean; no osds之类的,请执行: #ceph pg dump_stuck stale #ceph pg dump_stuck inactive #ceph pg dump_stuck unclean 再次健康检查是,应该是OK 注意:重新执行如下命令#sudo mkcephfs -a -c /etc/ceph/ceph.conf -k ceph.keyring前,所有服务端停止ceph服务在清空创建的四个目录:/var/lib/ceph/osd/ceph-0、/var/lib/ceph/osd/ceph-1、/var/lib/ceph/mon/ceph-a、/var/lib/ceph/mds/ceph-a #/etc/init.d/ceph stop # rm –frv /var/lib/ceph/osd/ceph-0/* # rm –frv /var/lib/ceph/osd/ceph-1/* # rm –frv /var/lib/ceph/mon/ceph-a/* # rm –frv /var/lib/ceph/mds/ceph-a/* 三、 CephFS的使用 在客户端上操作: sudo mkdir /mnt/mycephfs sudo mount -t ceph {ip-address-of-monitor}:6789:/ /mnt/mycephfs 或者 sudo mkdir /home/{username}/cephfs sudo ceph-fuse -m {ip-address-of-monitor}:6789 /home/{username}/cephfs # df –h 查看 (责任编辑:IT) |