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
server ntp1.aliyun.com iburst
systemctl restart nt ...
Posted by nitroxman on Fri, 06 Mar 2020 12:01:15 +0100
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
Posted by bugz-2849 on Thu, 27 Feb 2020 11:14:42 +0100
What is CephX?
Naming rules for CephX
Who was the ancestor of CephX?
CephX usage scenarios
Introduction to MON privileges
profile osd permissions
Recovery process fo ...
Posted by Pastulio on Mon, 27 Jan 2020 03:47:21 +0100
Posted by russthebarber on Sun, 20 Oct 2019 16:25:04 +0200
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
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