Kinds of Images Golden Images Image typically created by an organization to ensure consistency, security, and efficiency across multiple environments. The golden image is a template that includes the necessary software, patches, settings, and configurations that an organization requires for its workloads. Consistency: Ensures that every new instance launched from the image will have the…
Author: wpadmin
EC2 Lifecycle
Only an EBS-backed instance can be stopped and started, instance store-backed instance cannot be stopped and started. Rebooting an instance is equivalent to rebooting an operating system. The instance remains on the same host computer and maintains its public DNS name, private IP address, and any data on its instance store volumes. It typically takes…
VM Import/Export
AWS provides the VM Import/Export service, which facilitates the import and export of virtual machine images to and from AWS. This service enables you to import existing virtual machine images from your on-premises environment to Amazon EC2 instances and export EC2 instances back to virtual machine images for use outside AWS. VM Import/Export Overview:
EC2 Placement groups
There are 3 kinds of placement groups for EC2 instances: Cluster groups – launch each associated instance into a single AZ within close physical proximity to each other. Same Rack. Provides low-latency network interconnectivity and can be useful for HPC applications for instance. Spread groups – separate instances physically across distinct hardware racks and even…
EC2 Dedicated instances and dedicated hosts
Dedicated hosts Dedicated instances
Architecture and infrastructure
Architecture and infrastructure
Cloud Adoption Framework – CAF
CAF includes 6 perspectives, divided between business and technical capabilities. Business Ensures that IT aligns with business need and that IT investments link to key business results. People Supports development of an organization-wide change management strategy for successful cloud adoption. Governance Focus on skills and processes to align IT strategy. Platform Principles and patterns for…
Amazon EBS Cheat Sheet
Features Types of EBS Volumes Burst duration = (Credit balance) [(Burst IOPS) – 3 (Volume size in GiB)] Throughput in MiB/s = (Volume size in GiB) (IOPS per GiB) × (I/O size in KiB) (Volume size)(Credit accumulation rate per TiB) = Throughput Volume Name General Purpose SSD Provisioned IOPS SSD Volume type gp3 gp2 io2 io1 Description General Purpose…
Migration
Phases of a large migration AWS segments the large migration process into three sequential phases: Assess phase – You build the business case for the migration. Mobilize phase – You prepare the organization and mobilize the resources needed for themigration. Migrate and modernize – You use your strategy, plan, andthe best practices to migrate and…
Responsibility and compliance
Responsibility and compliance