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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 ...

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 ...

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 ...

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 ...

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 ...