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Environment Requirements

Hardware Requirements

Table 1 lists the hardware requirements.

Table 1 Hardware requirements

Server

TaiShan 200 server (model 2280)

Processor

Kunpeng 920 5220 processor

Cores

2 x 32-core

CPU Frequency

2600 MHz

Memory Size

12 x 16 GB

Memory Frequency

2666 MHz

NIC

IN200 NIC (4 x 25GE)

Drive

System drives: RAID 1 (2 x 960 GB SATA SSD)

Data drives: JBOD enabled in RAID mode (12 x 4 TB SATA HDD)

NVMe SSD

1 x ES3000 V5 3.2 TB NVMe SSD

RAID controller card

Avago SAS 3508

Software Requirements

Table 2 lists the software requirements.

Table 2 Software requirements

Software

Version

OS

CentOS Linux release 7.6.1810

Installation mode: Infrastructure servers + development tools

Ceph

14.2.22 Nautilus

Ansible

2.9.0

ceph-ansible

stable-4.0

Cluster Environment Planning

The cluster consists of Ceph clients and Ceph servers. The clients are client1 to client3, and the servers are ceph1 to ceph3. Figure 1 shows the networking.

Figure 1 Physical networking diagram

Table 3 lists the server IP addresses in the Ceph cluster.

Table 3 Server IP addresses

Cluster Node

Management IP Address

Public Network

Cluster Network

ceph1

192.168.2.166

192.168.3.166

192.168.4.166

ceph2

192.168.2.167

192.168.3.167

192.168.4.167

ceph3

192.168.2.168

192.168.3.168

192.168.4.168

Table 4 lists the client IP addresses in the Ceph cluster.

Table 4 Client IP addresses

Client Node

Management IP Address

Public Network

client1

192.168.2.160

192.168.3.160

client2

192.168.2.161

192.168.3.161

client3

192.168.2.162

192.168.3.162

  • Management IP address: IP address used for remote SSH machine management and configuration.
  • Cluster network IP address: IP address used for data synchronization between nodes in the cluster. The 25GE network port is recommended.
  • Public network IP address: IP address of the storage node for other nodes to access. The 25GE network port is recommended.
  • When clients are used as presses, ensure that the service port IP addresses of clients and the public network IP addresses of the cluster are in the same network segment. The 25GE network port is recommended.