Resource Planning

ECS Specifications

Requirements on OSs and Disks

• Table 1 lists the operating system requirements of the SAP Business One node.

  Table 1 Operating system requirements

  Item	Specifications
  OS	SAP B1 9.3: SUSE Linux Enterprise Server for SAP 12

• Table 2 describes the disk plan for the SAP Business One node.

  Table 2 Disk planning

  Disk	Type	Sharing Mode	Size
  OS disk	High I/O	Non-shared disk	N/A
  Log disk	Ultra-high I/O	Non-shared disk	When the memory size is less than or equal to 512 GB, the log disk capacity is half of the memory size and rounded up for decimal places. When the memory size is greater than 512 GB, the log disk capacity is 512 GB.
  Data disk	Ultra-high I/O	Non-shared disk	The capacity is the same as the memory size.
  Shared disk	High I/O	Non-shared disk	The capacity is the same as the memory size.
  Backup disk	N/A	Provided by SFS	The recommended capacity is three times or more of the memory size.
  /usr/sap disk	High I/O	Non-shared disk	50 GB
  Swap disk	High I/O	Non-shared disk	10 GB

• Table 3 describes the deployment requirements of the SAP Business One Client node.

  Table 3 SAP Business One Client node planning

  Node	Requirements
  SAP Business One Client	Operating system: Windows Server 2012 ECS Specifications: c3.large.2 (2 vCPUs, 4 GB memory) or larger Disk: 80 GB system disk

SAS hard disks have high I/O while SSD hard disks have ultra-high I/O.

Network Plane Planning

Figure 1 shows the network plan for the single node scenario.

The network segments and IP addresses are for reference only.

Figure 1 Network planning in the single node scenario

In this scenario, only one NIC is used for network communication.

Table 4 shows the planned network information.

Security Group Planning

• The network segments and IP addresses are for reference only. The following security group rules are recommended practices. You can configure your own security group rules as needed.
• In the following table, ## stands for the SAP HANA instance ID, such as 00. Ensure that this ID is the same as the instance ID specified when you install the SAP HANA software.
• For more information about specific ports and security group rules to be accessed by SAP, see SAP Help Portal.