Dell PowerEdge External Media System 1634 Utilisation du manuel - Page 3

Parcourez en ligne ou téléchargez le pdf Utilisation du manuel pour {nom_de_la_catégorie} Dell PowerEdge External Media System 1634. Dell PowerEdge External Media System 1634 16 pages. Statement of volatility
Également pour Dell PowerEdge External Media System 1634 : Manuel de démarrage (12 pages), Manuel (38 pages), Manuel (29 pages), Configuration (16 pages), Manuel (10 pages)

Imprimer la page

Dell PowerEdge External Media System 1634 Utilisation du manuel

Dell High Availability and Disaster Recovery Solutions Using Microsoft SQL Server 2012 AlwaysOn

Availability Groups

Contents

Executive summary ....................................................................................................... 4

Introduction ................................................................................................................ 4

Objectives................................................................................................................ 5

Why Dell server and storage hardware for AlwaysOn setup? .................................................... 5

Processors ............................................................................................................. 5

Memory ................................................................................................................ 5

Internal storage (HDD and SSD) ................................................................................... 5

Introduction to Microsoft SQL Server 2012 AlwaysOn Availability Groups (AVG) ............................... 6

AlwaysOn Availability Groups Architecture ........................................................................ 6

Most common HA and DR deployments for SQL databases ...................................................... 7

Dell reference configuration for AVG ............................................................................... 8

AVG deployments on non-shared storage .......................................................................... 8

Major advantages and limitations of implementing AVG on non-shared storage ......................... 9

AVG deployments on shared storage .............................................................................. 10

Advantages and limitations of implementing AVG on shared storage .................................... 14

AVG deployments on hybrid (HDD and SSD) storage ............................................................ 14

Benefits .............................................................................................................. 14

Advantages and limitations of implementing AVG on hybrid (SSDs and HDDs) storage ............... 15

Flexible failover policies and enhanced diagnostics for detecting failover conditions .................. 15

Summary .................................................................................................................. 16

Figures

Figure 1.

Availability Groups on WSFC ............................................................................. 7

Figure 2.

Simple AVG deployment on PE R720XD local storage ................................................ 9

Figure 3.

Scenario 1 : SQL Server FCI with AVG on shared storage ......................................... 11

Figure 4.

Scenario 2 : SQL Server FCI with AVG on shared storage ......................................... 12

Figure 5.

Creating AVG with FCI ................................................................................... 13

Figure 6.

FCI with AVG deployment setting ..................................................................... 13

Figure 7.

AVG deployments on SSD and HDD .................................................................... 14