What are the main migration strategies (6R)?

Rehost (lift-and-shift), Replatform (lift-tinker-and-shift), Repurchase (SaaS), Refactor (re-architect), Retire (decommission), Retain (keep on-prem). GCP supports all strategies.

What is Migrate for Compute Engine?

Agentless VM migration tool for migrating VMware, AWS EC2, Azure VMs or physical servers to GCE. Supports streaming migration with minimal downtime.

How does Database Migration Service work?

Serverless, managed service for continuous replication to Cloud SQL or AlloyDB. Supports MySQL, PostgreSQL, SQL Server. Minimal downtime at cutover.

What is a landing zone and why is it important?

Landing zone is pre-configured GCP environment with best practices: organization structure, IAM, networking, logging, security controls. Accelerates migration and ensures governance.

How to plan wave migration?

Group applications by dependencies, priority and complexity. Start with pilot wave (low-risk apps), then progressively complex workloads. Each wave has its own runbook.

Which tools to use for assessment?

StratoZone for discovery and TCO, Migrate for Compute Engine for dependency mapping, Cloud Asset Inventory post-migration. Supplement with manual application review.

How to migrate Kubernetes workloads?

Anthos for hybrid/multi-cloud, or direct migration to GKE. Container Registry/Artifact Registry for images, Config Connector for infrastructure as code.

How to ensure security during migration?

VPN/Interconnect for secure connectivity, encryption in transit, IAM least privilege, security controls in landing zone, audit logging from start.

How to minimize downtime at cutover?

Streaming migration for continuous replication, DNS failover with low TTL, rollback plan, testing cutover in maintenance window, parallel run before final cutover.

What is Transfer Appliance and when to use it?

Hardware appliance for offline transfer of petabyte-scale data. Use when network transfer would take weeks/months. Encrypted data, secure chain of custody.

How to optimize costs after migration?

Right-sizing recommendations, committed use discounts, preemptible VMs for fault-tolerant workloads, storage class optimization, sustained use discounts automatically.

GCP Cloud Migration

Migrace do Google Cloud

Bezpečná a efektivní migrace workloadů do Google Cloud Platform

Assessment & Discovery

Komplexní analýza stávajícího prostředí a migrační readiness

Migration Planning

Detailní migrační strategie s wave planning a risk mitigation

Migrate for Compute Engine

VM migration s minimálním downtime pomocí Google nástrojů

Database Migration Service

Bezpečná migrace databází do Cloud SQL, AlloyDB nebo Spanner

Anthos Migration

Modernizace aplikací pro GKE a container-based architekturu

Data Migration

Transfer Service pro petabyte-scale data migration

GCP Cloud Migration — klíčová témata

Cloud Migration na GCP — 6R, Migrate to Containers a Landing Zones

Strukturovaný přístup k migraci do GCP: 6R strategie, Migrate Center, Database Migration Service, Landing Zones a Anthos pro hybrid.

6R migration strategies

Rehost (lift-and-shift), Replatform (lift-and-optimize), Refactor (re-architect), Repurchase (SaaS), Retire, Retain — výběr per workload TCO.

Google Cloud Migration Center

Discovery on-premises VM (mRunbook, RVTools import), TCO assessment, dependency mapping, wave planning, doporučení target GCE/GKE/Cloud SQL.

Migrate to Virtual Machines

Streaming migrace VMware/Hyper-V/AWS/Azure VMs do Compute Engine, near-zero downtime cutover, rollback capability, automated testing.

Migrate to Containers

Modernizace legacy app serverů (Tomcat, JBoss) do GKE kontejnerů, automatic Dockerfile generation, secrets externalizace, persistent volumes.

Database Migration Service (DMS)

Serverless homogenní (MySQL, PostgreSQL) i heterogenní migrace, continuous replication, minimal downtime cutover, schema conversion (Oracle → PostgreSQL).

Transfer Appliance a Storage Transfer

Offline transfer pro petabytes (Transfer Appliance 40TB/300TB), online Storage Transfer Service z S3/Azure Blob/on-prem NFS, bandwidth scheduling.

Landing Zones a Cloud Foundation Toolkit

Terraform blueprints pro org hierarchii, folders, projekty, VPC design, IAM, billing, log sinks, security baseline (CIS benchmarks).

Anthos pro hybrid a multicloud

GKE on-premises, GKE on AWS/Azure, Config Management (GitOps), Service Mesh (Istio), Policy Controller pro konzistentní governance.

Cloud Interconnect a VPN

Dedicated Interconnect (10/100 Gbps), Partner Interconnect, HA VPN (99.99% SLA), Cloud Router (dynamic BGP), Network Connectivity Center.

BigQuery Migration Service

Automated SQL translation (Teradata, Redshift, Snowflake, Oracle → BigQuery), schema migration, data transfer, validation a parallel testing.

Cost optimization post-migrace

Committed Use Discounts (1/3 roky), Sustained Use Discounts (automatické), Spot VMs, Active Assist recommendations, Rightsizing reports.

CAF (Cloud Adoption Framework)

Google Cloud Adoption Framework: Learn, Lead, Scale, Secure pilíře, maturity assessment, governance model, cloud operating model.

Migrační proces

Strukturovaný přístup k migraci do GCP

Fáze 1: Assess

2-4 týdny

Discovery a inventarizace
Dependency mapping
TCO analýza
GCP readiness assessment
Risk assessment
Migration strategy selection

Fáze 2: Plan

2-3 týdny

Landing zone design
Wave planning
Resource sizing
Network architecture
Security design
Migration runbooks

Fáze 3: Migrate

4-12 týdnů

Landing zone deployment
Pilot migration
Wave execution
Testing a validation
Cutover execution
Decommissioning

Fáze 4: Optimize

2-4 týdny

Performance optimization
Cost optimization
Security hardening
Monitoring setup
Documentation
Knowledge transfer

Technology Stack

GCP migrační nástroje a služby

Migration Tools

Migrate for Compute EngineDatabase Migration ServiceTransfer ApplianceStorage TransferBigQuery Data Transfer

Infrastructure

Compute EngineCloud SQLGKECloud StorageVPC

Automation

TerraformDeployment ManagerCloud BuildConfig ConnectorAnthos Config Management

Security & Operations

Security Command CenterCloud Operations SuiteIAMVPC Service ControlsCloud Armor

Často kladené otázky o migraci do GCP

Odpovědi na nejčastější dotazy o cloud migraci

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