command to synchronize and start the NTP service manually from the server:
# ntpdate 0.cn.pool.ntp.org
# hwclock-w #
Systemctl enable Ntpd.service
# Systemctl Start Ntpd.service
Install SSH service:
# yum Install Openssh-server
The second step, the preparation is done, now began to deploy the Ceph cluster.
Note: The following operations are performed at the Admin-node node, in this article, because Admin
Ceph Cluster Expansion and Ceph Cluster ExpansionThe previous article describes how to create a cluster with the following structure. This article describes how to expand the cluster.
IP
Hostname
Description
Ceph is a software that can provide storage cluster services它可以实现将主机做成存储集群,并提供分布式文件存储的功能ceph服务可以提供三种存储方式: 1.块存储 2.对象存储 2.文件系统存储Here I'll show you how to build a storage cluster using Ceph: Environment Introduction: node1 node2 node3 这三台主机作为存储集群服务器,分别都有3块10G的硬盘,并且
Tags: centos cephBrief IntroductionThe deployment mode of Ceph mainly includes the following types of nodes:? Ceph OSDs: A Ceph OSD process is mainly used to store data, process data replication, recovery, and fill, adjust the resource combination and provide some monitoring information to Ceph Monitors by checking the
protected] ~]# umount/var/lib/ceph/osd/ceph-113. Remove MDS1. Directly close the MDS process for this node[[email protected] ~]#/etc/init.d/ceph stop MDS= = = Mds.bgw-os-node153 = =Stopping Ceph mds.bgw-os-node153 on Bgw-os-node153...kill 4981...done[Email protected] ~]#2. Remove this MDS certification[Email protected
Solution to Ceph cluster disk with no available spaceFault description
During use of the OpenStack + Ceph cluster, because the Virtual Machine crashes into a large amount of new data, the cluster disk is quickly consumed, there is no free space, the virtual machine cannot op
Learn about Ceph, an open source distributed storage system that enhances your OpenStack environment
Ceph is an open-source, distributed storage System that complies with POSIX (Portable operating system for UNIX) and runs under the GNU general Public License. Originally developed by Sage Weill in 2007, the project was founded on the idea of proposing a cluster
Note: All operations below are performed at the admin node1, prepare three virtual machines, one as the admin node, the other two as the OSD node, and corresponding with the hostname command to modify the hostname to ADMIN,OSD0,OSD1, and finally modify the/etc/hosts file as shown below127.0.0.1 localhost10.10.102.85 admin10.10.102.86 osd010.10.102.87 OSD12. Configure password-free accessSsh-keygen //press ENTER to generate a public key to Ssh-copy-id-i/root/.ssh/id_rsa.pub
1. Description of the problem after doing the iptables strategy today and restarting one of the machines in the cluster, the input ceph-s discovers the following conditions: [[email protected] ~]# ceph-s2015-09-10 13:50:57.688516 7f6a6b8cc700 0 monclient (Hunting): Authenticate timed out AF ter 3002015-09-10 13:50:57.688553 7f6a6b8cc700 0 librados:client.admin
/9e7e3aaaaf1a07840c02dc6884324e5a.jpg? X-OSS-process = image/watermark, size_16, expires, color_ffffff, t_100, g_se, x_10, y_10, shadow_90, type_zmfuz3pozw5nagvpdgk =) the preceding command is installed on each host. Run the command pveceph init -- network 192.168.30.0/24 on one of the hosts! [] (Http://i2.51cto.com/images/blog/201811/02/9f035f04972d5a4edaf2e223c7efdf2f.jpg? X-OSS-process = image/watermark, size_16, expires, color_ffffff, t_100, g_se, x_10, y_10, shadow_90, type_zmfuz3pozw5nagvp
First, pre-installation preparation
1.1 Introduction to installation Environment
It is recommended to install a Ceph-deploy management node and a three-node Ceph storage cluster to learn ceph, as shown in the figure.
I installed the Ceph-deploy on the Node1.
First three m
the dependency package, about 20 or so, can also do side-mounted (more trouble, not recommended)[[email protected] ceph] #yum install-y make automake autoconf boost-devel fuse-devel gcc-c++ libtool libuuid-devel Libb Lkid-devel keyutils-libs-devel cryptopp-devel fcgi-devel libcurl-devel expat-devel gperftools-devel Libedit-devel libatomic_ops-devel snappy-devel leveldb-devel libaio-devel xfsprogs-devel git libudev-devel Btrfs-progsInstall
specification
1 About Ceph 1.1 Ceph definition
Ceph is a Linux PB-level Distributed File system. 1.2 ceph origin
Its name is related to the mascot of the UCSC (the birthplace of Ceph), the mascot is "Sammy", a banana-colored slug, a shell-free mollusk in the head-
Document directory
1. Design a CEpH Cluster
3. Configure the CEpH Cluster
4. Enable CEpH to work
5. Problems Encountered during setup
Appendix 1 modify hostname
Appendix 2 password-less SSH access
CEpH is a relatively ne
bring you a little help. Go-ceph is essentially the golang binding of a Ceph C library through CGO, covering more comprehensive: Rados, RBD, and CEPHFS support.
I. Installation of GO-CEPH and dependencies
First, because of the use of CGO, the program using the Go-ceph package is necessary to link Ceph's C library in c
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