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Escenarios híbridos con SQL Server 2014

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Con SQL Server 2014 microsoft ha puesto el foco en facilitar escenarios hibridos entre nuestra infraestructura de datos OnPremise con la nube de Azure. En esta sesión haremos un repaso de todo lo nuevo que tenemos en SQL Server 2014 para crear una solución hibrida que se adapte perfectamente a nuestra infraestructura.

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Escenarios híbridos con SQL Server 2014

  1. 1. Escenarios Híbridos con SQL Server 2014 y Windows Azure Enrique Catalá Bañuls (@enriquecatala) ecatala@solidq.com MVP – MCT – Mentor en SolidQ www.enriquecatala.com
  2. 2. Agenda Soluciones híbridas Mejoras en AlwaysON Arquitecturas híbridas Backups a la nube Bases de datos en la nube
  3. 3. Soluciones híbridas
  4. 4. Por qué necesitamos DR en SQL Server? 7 • Un evento que nos tumbe nuestro On-premise ‐ Temporal (e.g. gateway failure) ‐ Permanente (e.g. flooding) • Un site manual de DR es muy caro ‐ Alquiler, mantenimiento, luz, personal,… ‐ Hardware ‐ …
  5. 5. Tecnologías soportadas 8 Technology SQL Server Version Zero Data Loss Scope # Secondaries Automatic Failover Readable Secondaries Availability Groups SQL Server 2012+ Yes* (Sync Mode) DB(s) 4 -> 2012 8 -> 2014 Yes (w/ additional cluster member)** Yes Database Mirroring SQL Server 2008 R2 SQL Server 2012 Yes* (High Safety Mode) DB 1 Yes (w/ Witness)** Limited (database snapshots) Log Shipping SQL Server 2005+ No DB Ilimitadas No Limited (standby state) Replicacion SQL Server 2008+ No Articulos Ilimitadas No Si * La mayoria eligen modo async para evitar impacto en rendimiento **Modo async soporta pérdida de datos
  6. 6. Agenda Soluciones híbridas Mejoras en AlwaysON Arquitecturas híbridas Backups a la nube Bases de datos en la nube
  7. 7. AlwaysOn Mejoras • Increased number of secondaries • Increased availability of readable secondaries • Add Azure Replica Wizard
  8. 8. Agenda Soluciones híbridas Mejoras en AlwaysON Arquitecturas híbridas Backups a la nube Bases de datos en la nube
  9. 9. Diagrama de arquitectura 19 Windows Cluster Availability Group On-Premises SecondaryPrimary
  10. 10. 20 Windows Cluster Availability Group On-Premises SecondaryPrimary Secondary Cloud Diagrama de arquitectura
  11. 11. 21 Windows Cluster Windows Cluster Availability GroupAvailability Group Primary Secondary On-Premises (NY) On-Premises (NJ) Secondary Cloud Diagrama de arquitectura
  12. 12. Diagrama de arquitectura 22 Windows Cluster Availability Group Cloud On-Premises SecondarySecondaryPrimary
  13. 13. Diagrama de arquitectura 23 Windows Cluster Availability Group Cloud On-Premises SecondarySecondaryPrimary
  14. 14. Arquitectura elástica 24 DBreplica1 Replica1 Replica2 Replica n DBreplica2 DBreplica3 Azure Republicador (opcional) Transactional replication SYNC WAN SQL1 (onpremise) ON PREMISE Azure  Nodos secundarios replicación  Capa de base de datos, suscriptores (5s-15s delay)  SQL Standard Edition  Nodo publicador  Instancia OnPremise que contiene los datos maestros a replicar mediante replicación transaccional
  15. 15. Availability Groups Añadir replica en azure Demo
  16. 16. Agenda Soluciones híbridas Mejoras en AlwaysON Arquitecturas híbridas Backups a la nube Bases de datos en la nube
  17. 17. Backup a Microsoft Azure Windows Azure storage WA WindowsAzure Blobs • On-site/off-site storage costs • Device management costs Box • XDrives limited to 1 terabyte • Max 16 drives • Manage drives and policy • Near “bottomless” storage • Off-site, geo-redundant • No provisioning • No device management • Media safety (decay-free) • Remote accessibility
  18. 18. Managed backups en Azure • El agent maneja y se encarga de registrar por nosotros los backups • Beneficios principales ‐ Gestion de backups a gran escala  En funcón de context – for example, workload/throttling  Mínimos conocemientos – control retention period  Administrar todas o algunas BBDD ‐ Soporta backups a azure  Georedundante  Coste mínimo de almacenamiento  0 mantenimiento de hardware de almacenamiento Example: EXEC smart_admin.sp_set_db_backup @database_name='TestDB', @storage_url=<storage url>, @retention_days=30, @credential_name='MyCredential', @enable_backup=1
  19. 19. Availability Groups Backups hacia Azure Demo
  20. 20. Agenda Soluciones híbridas Mejoras en AlwaysON Arquitecturas híbridas Backups a la nube Bases de datos en la nube
  21. 21. Desplegar BBDD a Microsoft Azure VM • Nuevo wizard para desplegar BBDDs en VMs sobre Azure ‐ Permite crear incluso la VM de ser necesario • Beneficios ‐ Facil de usar  Perfecto para nuevos DBAs que no esten “duchos” en azure ‐ Complejidad oculta  No conocer Azure en detalle  El coste temporal ligado solo al tamaño a subir a la nube
  22. 22. Datos y logs de SQL Server a Microsoft Azure Storage • Subir ficheros de log y datos a Azure manteniendo el nodo de cómputo en OnPremise ‐ TDE soportado • Beneficios ‐ Transparente para apps ‐ Capacidad de almacenamiento ilimitada ‐ Almacenamiento georeplicado ‐ Seguro porque el TDE guarda las claves TDE OnPremise (master) ‐ Restores “instantáneos”
  23. 23. Datos y logs de SQL Server a Microsoft Azure Storage

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