Backup and Restore SQL Server Databases in Microsoft Azure

Backup and Restore SQL Server Databases

in Microsoft Azure

Andrew McDermid and Pinal Dave

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Agenda

Is this where you want to be? In here we are talking about...

• SQL Server in Azure Virtual Machines

• SQL Server Database Backups in Azure Virtual Machines

• Azure Storage Accounts

SQL Server Azure VMs

6


7

Pinal DaveSQL Authority

Pinal Dave is a technology enthusiast and an independent consultant. He has authored 11 SQL Server database books, 21 Pluralsight courses and have written over 3800 articles on the database technology on his blog at a http://blog.sqlauthority.com. Along with 14+ years of hands on experience he holds a Masters of Science degree and a number of database certifications.

/pinaldave @sqlauthority

Andrew McDermidMicrosoft SQL DBA, Datavail

Corporation

Andy is a MCITP certified MS SQL DBA who delivers and manages delivery of DBA services to many diverse clients. He enjoys helping his clients by finding and deploying pragmatic and practical solutions for their database issues.

/andrewmcdermid @oldskipole


10

Log

512GB

Data

512GB

• 2 DISKS

• 1 SQL data

• 1 SQL logs


11

Log

512GB

Data

512GB

Backups

• 3 DISKS

• 1 SQL data

• 1 SQL logs

• 1 Backups


12

Log

512GB

Data

512GB

Backups

• 4 DISKS

• 1 SQL data

• 1 SQL logs

• 1 Backups

• 1 TempDB

TempDB


13

• Server Stats

• 4 CPU

• 14GB RAM

• 28GB D:\


14https://azure.microsoft.com/en-us/documentation/articles/virtual-machines-windows-sizes/

Siz

es

for

vir

tual m

ach

ines

in A

zure


15 https://azure.microsoft.com/en-us/documentation/articles/virtual-machines-windows-sizes/


https://azure.microsoft.com/en-us/documentation/articles/virtual-machines-windows-sizes/

DS3_V2

Standard

• 192 MB/sec


DS3_V2

Standard

• 192 MB/sec

• 8 Data Disk

https://azure.microsoft.com/en-us/documentation/articles/virtual-machines-windows-sizes/


18

Log

512GB

Data

512GB

• 2 DISKS

• 1 SQL data

• 1 SQL logs


19

Log

512GB

Data

512GB

Backups

• 3 DISKS

• 1 SQL data

• 1 SQL logs

• 1 Backups

Backup to URLDemo

Backups to URL

21

• Azure Storage

Accounts

• Storage Account

Name

• Access Key

https://storageaccountname>.blob.core.windows.net

Azure

Storage Account

Backups to URL

22

EdwinaContainer

sql_serv

SQLSrvr01-

InstncASQLDEV

• Azure Storage

Accounts

• Storage

Account Name

• Access Key

• Container

Name

https://storageaccountname>.blob.core.windows.net/<container name>

Backups to URL

23

• SQL CREDENTIAL

• Credential Name

• Identity = Storage Account

Name

• Password = Storage

Account Key

TO URL = ‘https://storageaccountname>.blob.core.windows.net/<container name>/<backupfilename>.bak’

WITH CREDENTIAL = ‘<sql credential name>’


24

Log

512GB

Data

512GBBackups

• 2 DISKS

• 1 SQL data

• 1 SQL logs


25

Log

512GB

Data

512GB

• 4 DISKS

• 1 SQL data

• 1 SQL logs

• 6 unused


26


27

• PREMIUM DISK

• SSD

• Pay-for-capacity

• Dedicated I|O

• 500-5000 IOPS

• 100-200 MB/sec

P30

1TB

5000 IOPS

200 MB/sP20

512GB

2300 IOPS

150 MB/sP10

128GB

500 IOPS

100 MB/s

Premium


28

300MB/s

1TB

300MB/s

1TB

Log

46K IOPS

Data

46K IOPS

• 4 DISKS

• 2 SQL data

• 2 SQL logs

• 4 unused

P20


29

P20

P20

P20

P20

P20

50

100

150

200

250

300

350

400

MB

/sec 192

MB/s

DS3_v2

Backups to URL – What You Need

30

• Azure Storage Account• Storage Account Name+ Container Name

• Access Key

• SQL Server• SQL Server 2014 SP1 CU2 (min)

• SQL Credential

• TSQL Backup and Restore TO | FROM URL WITH CREDENTIAL

• Free-up a disk(s) for whatever…

IOPS, MB/s, TempDB;

utility/trace/log files; etc

• Works with maintenance plans,

scripts, SQL Agent jobs, etc.

Pros Cons

• Not local

• Thru-put limits per VM size

• No striped backups

• 1TB backup file limit

Backups to URL – Pros and Cons

Backup to Local Drive

32

DATABASE

STRIPED BACKUP SET

TO DISK

Database.1.bak

Database.2.bak

Database.3.bak

Database.4.bak

Backup to Local DriveDemo

Backup to Local Drive – What You Need

34

• Azure Storage Account• Storage Account Name + Container Name

• Access Key

• SQL Server• Any version

• TSQL Backup and Restore striped set TO | FROM URL

• AzCopy• /Dest: /Source: /Pattern:

• Automation script

• 1TB + DB backups

• Fast(-ish) backups via striping

• Fast copy to azure storage via

AZCopy

Pro Con

• Local disk storage capacity limits

• Local MB\sec limits

• Striped backup and offsite copy

management complexity

Backup to Local Drive – Pros and Cons

• Storage Account & Access Key

• Access Policy

• Shared Access Signature

Azure Storage Access and Security

36

Access and Security

37

Guess What Will Happen Next?

38

If Year was 2006 - BEFORE

If Year was 2016 - NOW

Access and Security - BEFORE

39

Access and Security - BEFORE

40

Access and Security - NOW

41

Access and Security - NOW

42

Shared Access Signature – What You Need

43

• CREATE SHARED ACCESS SIGNATURE WITH POWERSHELL

• Login to Azure Subscription

• Returns ‘CREATE CREDENTIAL‘ TSQL

https://msdn.microsoft.com/en-us/library/dn466430.aspx

https://msdn.microsoft.com/en-us/library/dn466430.aspx

Shared Access Signature – What You Get

44

• SQL CREDENTIAL

• Credential Name = URL

• Identity = “Shared Access

Signature”

• Password = SAS

URL

TO URL = ‘https://<storageaccountname>.blob.core.windows.net/<container name>/<backupfilename>1.bak’

URL = ‘https://<storageaccountname>.blob.core.windows.net/<container name>/<backupfilename>.2.bak’



Container


45

DATABASE

2TB

STRIPED BACKUP TO

URL

Database.1.bak

Database.2.bak

Database.3.bak

Database.4.bak

Striped Backups to URLDemo

Container


47

DATABASE

BACKUP TO URLDatabase.bak

1TB Max Backup File Size

Container


48

DATABASE

STRIPED BACKUP TO

URL

Database.1.bak

Database.2.bak

Database.3.bak

Database.4.bak

12.8TB Max Backup File Size

Striped Backups to URL- What You Need

49

• Azure Storage Account• Storage Account Name+ Container Name

• Access Key

• Shared Access Signature

• SQL Server• SQL Server 2016

• SQL “SAS” Credential

• TSQL Backup and Restore striped set TO | FROM URL

• Speed

• VLDB (12.8TB - 64 stripes of up to

200GB each)

Pro Con

• SQL 2016 + only

• VLDB (12.8TB - 64 stripes of up to

200GB each)

Striped Backups to URL – Pros and Cons

Session Evaluations

ways to access

Go to passSummit.com Download the GuideBook App

and search: PASS Summit 2016

Follow the QR code link displayed

on session signage throughout the

conference venue and in the

program guide

Submit by 5pmFriday November 6th toWIN prizes

Your feedback is important and valuable. 3

Thank You

Learn more from

Andy and [email protected] or follow @oldskipole

[email protected] or follow @pinaldave

Data & Analytics

Backup and Restore SQL Server Databases in Microsoft Azure