Checklist for the Installation of SAP Central Systems with SLES HAE

This check list is supposed to help with the installation of SAP HAE for ASCS protection.

The various identifiers will be needed at different stages of the installation. This check list should be complete before the SAP and the SLES HAE installation begins.

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Item Status/Value

SLES subscription and update status

  • All systems have a SLES for SAP subscription
  • All system have been updated to use the lates patch level
  

AWS User Privileges for the installing person

  • Creation of EC2 instances and EBS volumes
  • Creation security groups
  • Creation EFS file systems
  • Modification of AWS routing tables
  • Creation policies and attach them to IAM roles
  • Optional for Route53 agent installation
    • Create and modify A-records in a private hosted zone
  • Potentially needed
    • Creation of subnets and routing tables 
  

VPC

  • VPC Id
  • CIDR range of VPC
  
Subnet id A for systems in first AZ  
Subnet id B for systems in second AZ  
Routing table id for subnet A and B
  • Is this routing table in charge to route both subnets?
    • Is it associated to both subnets?
    • Alternative: Is it associated to VPC?
      • Subnets do not have their own ones
  

Optional:

  • Name of hosted Route 53 zone
  • Name of DHCP option set
    • Verify options!
    • Is option set associated to VPC?
  
AWS Policies Creation
  • Name of Data Provider policy
  • Name of STONITH policy
  • Name of Move IP (Overlay IP) policy
  • Optionally: Name of Route53 policy
  

First cluster node (ASCS and ERS)

  • instance id
  • ENI id
  • IP address
  • hostname
  • instance is associated to subnet A?
  • instance has all 3 or 4 policies attached?
  
Second cluster node (ASCS and ERS)
  • instance id
  • ENI id
  • IP address
  • hostname
  • instance is associated to subnet B?
  • instance has all 3 or 4 policies attached?
  
PAS system
  • instance id
  • ENI id
  • IP address
  • hostname
  • instance is associated to subnet A or B?
  • instance has data provider policy attached?
  
AAS system
  • instance id
  • ENI id
  • IP address
  • hostname
  • instance is associated to subnet A or B
  • instance has data provider policy attached?
  
DB system (is potentially node 1 of a database failover cluster)
  • instance id
  • ENI id
  • IP address
  • hostname
  • instance is associated to subnet A
  • instance has data provider policy attached?
    • a cluster node has 2 to 3 more policies attached
  

 Overlay IP address: service ASCS

  • IP address
  • Has it been added to routing table?
  • Does it point the ENI of first node?
  
Overlay IP address: service ERS
  • IP address
  • Has it been added to routing table?
  • Does it point the ENI of first node?
  
Optional: Overlay IP address DB server
  • IP address
  • Has it been added to routing table?
  • Does it point th ENI of first node?
  

 Optional: Route 53 configuration

  • The Route 53 private hosted zone has an A record with
    • the name of the ASCS system
    • the IP address of the first cluster node
  

 Creation of EFS filesytem

  • DNS name of EFS filesystem
  

 All instance have Internet access

  • Check routing tables
  • Alternative: Add http proxies for data providers and cluster software