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Controller VMs Requirements and Physical Server Specifications

 

Table 1 lists the minimum CPU, memory and disk requirements for the various controller VMs that constitute the control plane for the cluster.

Table 1: Controller VMs Requirements

Role

vCPU

Memory (GB)

Disk (GB)

OSP Director VM

24

32

100

OpenStack VM

8

24

100

Contrail Analytics DB VM

8

24

1000

Contrail Analytics VM

8

24

100

Contrail Controller VM

8

24

80

AppFormix VM

8

24

100

In order to address the controller VM requirements listed in Table 1 and design architecture described in Cluster Design Overview, the typical physical server specifications are listed in Table 2. Depending on the actual workloads and the data plane traffic requirements, the network interfaces could be 25G/40G versus 10G.

Note

Blade Server platforms are not supported on Contrail Cloud.

Table 2: Physical Server Specifications

Role

Undercloud Host

Controller Host

Compute Host

Storage Host

CPU

Intel Xeon

2600v4 Series

Intel Xeon

Platinum 8100 Series

Intel Xeon

Platinum 8100 Series

Intel Xeon

6100 Series

Memory

128 GB

128 GB

128 GB

256 GBG

Disk

2 x 1 TB HDD (SW RAID) — Host OS

3 x 1 TB HDD — Data

1 x 480 GB SSD (Cassandra Journaling)

2 x 1 TB HDD (SW RAID) — Host OS

3 x 1 TB HDD — Data

2 x 1 TB HDD (SW RAID) — Host OS

4 x 1 TB HDD — Data

2 x 1 TB HDD (SW RAID) — Host OS

5 x 480 GB SSDs — Ceph Journaling (1:8)

40 x 1 TB HDDs — Ceph OSDs

3 x Spares

Network

2 x 1G — IPMI and Management

2 x 10G — VM Traffic

2 x 10G — Storage Traffic

2 x 1G — IPMI and Management

2 x 10G — VM Traffic

2 x 10G — Storage Traffic

2 x 1G — IPMI and Management

2 x 25G — SmartNIC (optional)

2 x 10G — VM Traffic

2 x 10G — Storage Traffic

2 x 1G — IPMI and Management

Quantity (1 Rack)

1

4

16

3

Additional Rack

-

-

18

6