ceph installation document (Luminous version)

1. Install ntp We recommend that NTP services (especially Ceph Monitor nodes) be installed on all Ceph nodes to avoid clock drift failures. For details, see Clock. sudo yum install ntp ntpdate ntp-doc // yum -y install ntpdate ntp vim /etc/ntp.conf server ntp1.aliyun.com iburst systemctl restart nt ...

Posted by nitroxman on Fri, 06 Mar 2020 12:01:15 +0100

Deploy ceph cluster

Environmental preparation Deployment environment System version: CentOS Linux release 7.4.1708 (Core) ceph version: ceph 12.2.13 (luminous) Hardware configuration: 5 VMS, 1 core and 1G memory. Each node role machine should mount at least one free disk for osd Server role host name IP role admi ...

Posted by bugz-2849 on Thu, 27 Feb 2020 11:14:42 +0100

ceph key management mechanism

Article Directory Introduction What is CephX? Naming rules for CephX Default user Who was the ancestor of CephX? CephX usage scenarios MON OSD Client Detailed caps Introduction to MON privileges r Permissions w Permissions x Permissions *Permissions profile osd permissions OSD Recovery process fo ...

Posted by Pastulio on Mon, 27 Jan 2020 03:47:21 +0100

Learn ceph 04.ceph RBD together

ceph RBD Environmental Science 192.168.126.101 ceph01 192.168.126.102 ceph02 192.168.126.103 ceph03 192.168.126.104 ceph04 192.168.126.105 ceph-admin 192.168.48.11 ceph01 192.168.48.12 ceph02 192.168.48.13 ceph03 192.168.48.14 ceph04 192.168.48.15 ceph-admin 192.168.48.56 web Create RBD Create ...

Posted by russthebarber on Sun, 20 Oct 2019 16:25:04 +0200

(10) Horizontally expanding the ceph cluster

When the cluster capacity or computing resources reach a certain limit, the cluster needs to be expanded, which can be divided into two main operations:1. Vertical expansion: adding disks to existing nodes will increase capacity and keep cluster computing performance unchanged;2. Horizontal expansion: adding new nodes, including disk, memory a ...

Posted by vandutch on Fri, 20 Sep 2019 19:10:31 +0200

Cent OS7 Installation and Deployment of Ceph J Version

Installing Cent OS7 System Installation Steps SkippedTopological connection:Preparations before installation1. Modify the host name; change the host name to the corresponding host name in the figure above.[root@localhost ~]# vim /etc/hostname2. Update the hosts file on the host and parse the host name with the following IP.192.16 ...

Posted by woozy on Wed, 12 Jun 2019 21:43:09 +0200