分布式存储Ceph的快速安装方法
Ceph是一个高度可扩展的分布式存储系统,它可以提供对象、块和文件存储服务,Ceph的核心思想是将数据分布在多个物理节点上,从而提高数据的可靠性和可用性,本文将介绍如何在Linux系统上快速安装Ceph。
环境准备
1、操作系统:Ceph支持多种操作系统,包括Ubuntu、Debian、RHEL、CentOS等,本文以Ubuntu 16.04为例进行介绍。
2、硬件要求:Ceph对硬件的要求较低,但为了保证性能,建议使用多核CPU、大内存和高速磁盘。
3、网络环境:Ceph需要至少一个网络接口,建议使用千兆以太网或更高速度的网络接口。
安装依赖库
在安装Ceph之前,需要先安装一些依赖库,在Ubuntu系统上,可以使用以下命令安装依赖库:
sudo apt-get update sudo apt-get install -y build-essential python-dev python-pip libxml2-dev libxslt1-dev zlib1g-dev libevent-dev libssl-dev libjpeg-dev libpng-dev libboost-all-dev librados2-dev librgw2-dev librbd-dev libnova-dev libnvme-dev libiscsi-dev libfcgi-dev libfuse-dev libglusterfs-dev libjsoncpp-dev libcurl4-openssl-dev libmongoc-dev libcephfs-dev libradosstriper-dev rsync
下载Ceph源码
从Ceph的官方网站下载最新版本的源码包,然后解压到指定目录:
wget https://download.ceph.com/rpm-nautilus/el7/noarch/ceph-release-1.0.tar.gz tar -xzf ceph-release-1.0.tar.gz cd ceph-release-1.0/ sudo cp ceph.repo /etc/yum.repos.d/ceph.repo sudo yum makecache fast
安装Ceph
使用以下命令安装Ceph:
sudo yum install -y ceph ceph-radosgw ceph-mon ceph-mgr cephfs-clients rgwadmin rbd-nbd rgwfrontends mongodb fuse fuse-libsglusterfs nvme-cli iscsitarget openssl pcre pcre-devel jsoncpp boost glusterfs libcurl4 curl rsync python2 python3 python3-pip python3-rados python3-rbd python3-boto3 python3-cryptography python3-jinja2 python3-lxml python3-libxml2 python3-markupsafe python3-msgpack python3-ndg_httpsclient python3-pyasn1 python3-pycrypto python3-pyparsing python3-retrying python3-requests python3-six python3-subprocess32 python34 python34-pip python34-radospython python34-rbd python34-boto3 python34-cryptography python34-jinja2 python34-lxml python34-libxml2 python34-markupsafe python34-msgpack python34-ndg_httpsclient python34-pyasn1 python34-pycrypto python34-pyparsing python34-retrying python34-requests python34-six python34-subprocess32
配置Ceph
1、创建Ceph配置文件目录:
sudo mkdir -p /etc/ceph/ sudo chown -R ceph:ceph /etc/ceph/
2、生成密钥环:
sudo ceph-authtool --create-keyring /etc/ceph/keyring --gen-key -n client.admin --cap mon 'allow profile rwx' --cap osd 'allow *'
3、复制密钥到各个节点:
for node in {node1,node2,node3}; do scp /etc/ceph/keyring root@$node:/etc/ceph; done
启动Ceph集群
在所有节点上执行以下命令启动Ceph集群:
sudo systemctl start ceph.service mon.service mgr.service rgw.service rbd.service nvme.service iscsi.service glusterfs.service fuse.service rsync.service chronyd.service ntpdate.service openntpd.service rabbitmq.service postfix.service dovecot.service redis.service memcached.service couchbase.service elasticsearch.service logstash.service kibana.service graylog2.service zookeeper.service prometheus.service alertmanager.service pushgateway.service node_exporter.service grafana.service telegraf.service influxdb.service collectd.service networkmap.service netdata.service graphite_web.service graphite_carbon.service blackbox_exporter.service snmp_exporter.service prometheus_blackbox_exporter.service icinga2.service nagios_nrpe_server.service nagios_nrpe_client.service nagios_plugins_basic_checks_ping_plugin_by_default_module_enabled=true nagios_plugins_basic_checks_ping_plugin_by_default_command=ping nagios_plugins_basic_checks_ping_plugin_by_default_arguments=localhost nagios_plugins_basic_checks_ping_plugin_by_default_interval=5 nagios_plugins_basic_checks_ping_plugin_by_default_warning=8 nagios_plugins_basic_checks_ping_plugin_by_default_critical=16 nagios_plugins_basic_checks_ping_plugin_by_default_timeout=1 nagios_plugins_basic_checks_ping_plugin_by_default_unreachable=2 nagios_plugins_basic_checks_ping_plugin_by_default_retries=1 nagios_plugins_basic_checks_ping_plugin_by_default_perfdata=0 nagios_plugins_basic_checks_ping_plugin=1 nagios_plugins=1 nagioscore=1 nagioscore=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosadmin=1 nagiosa
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