Administering Microsoft SQL Server 2012 Databases Jumpstart-Mod 6 Final

8/9/2019 Administering Microsoft SQL Server 2012 Databases Jumpstart-Mod 6 Final

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Course Topics

Administering SQL Server 2012 Jump

01 | Install and Confgure SQLServer

04 | Manage Data

02 | Maintain Instances andDatabases 0 | I!ple!ent Securit

0# | $er%or!ance &pti!i'ation and Troubles(ooting

06 | High Availability


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li!" to#aster style

0) | *ig( +vailabilit" &ptions

,eorge S-uillace | Senior Tec(nical Trainer . /e *ori'ons ,reatLaes

ic(ard Curre" | Senior Tec(nical Trainer . /e *ori'ons 3nited


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Module ) &vervie

• (at Is *ig( +vailabilit"5

• eplication

• Log S(ipping

• Mirroring

• +la"s&n

• 6ailover Clustering


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Topic7 (at Is *ig( +vaila


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Topic7 (at Is *ig( +vailabilit" 8*

• edundanc" o% so!e ind

• $rotection against !edia %ailure – eplication – Log S(ipping – Database Mirroring –

+la"s&n• $rotection against (ardare or p("sical serv

– 6ailover Clustering

• So!eti!es a co!bination o% *+ tec(nologie

used toget(er


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Topic7 eplication


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Topic7 eplication

• T(e :asics

• T"pes o% eplication

• I!ple!enting eplication

• eplication Strengt(s and eanesses


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T(e :asics

• $ublis(er ; distributor ; subscriber

• $ublication t"pe

• Select D: and article8s9 – Table 8co!plete or fltered9

– Sproc

–


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T"pes o% eplication

• Snaps(ot

• Transactional

• Transactional it(updateablesubscriptions

• Merge


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I!ple!enting eplication

• Multiple destinations

• Separate I$ subnets

• Multiple >ob sc(edules

• Multiple s(ared

%olders• itness optional

• Manual %ailover


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eplication Strengt(s and ean

• Strengt(s –

Mature and stable – 6le=ible confguration options

– /o specialt" (ardare re-uired

– Can span data centers

– Secondar" database copies can be -ueried and potentia

•

eanesses – Manual client %ailover

– $rotects onl" data? does not protect sc(e!a@ s"ste! tabon

– Can be diAcult to repair

–

Confgured on a perBdatabase basis


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DM&I!ple!enting eplication


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Topic7 Log S(ipping


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Topic7 Log S(ipping

• T(e :asics

• I!ple!enting Log S(ipping

• 6ailover :asics

• Log S(ipping Strengt(s

and eanesses


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T(e :asics

• $rotects one user database at ati!e

• 3ses a sc(eduled log bacup >obo% t(e primary database %ro!t(e primary server

• ac( secondary server uses asc(eduled fle cop" >ob to placelog bacups nearb"

• ac( secondary server uses asc(eduled log restore >ob torestore to its secondarydatabase cop"

• $rovides li!ited readBonl"access to secondar" database

copies


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I!ple!enting Log S(ipping

• SSMS

•

Stored procedureso sp+ddLogS(ipping$ri!ar"Databaseo sp+ddEobSc(eduleo sp+ddLogS(ippingSecondar"Database

o sp+ddLogS(ipping+lertEobo sp+ddLogS(ipping$ri!ar"Secondar"

o sp+ddLogS(ippingSecondar"$ri!ar"

•

Set D: recover" !odel %ull or bullogged• Create a bacup >ob

• Create cop" >ob8s9

• Create restore >ob8s9

• Confgure !onitor 8optional9


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6ailover :asics

• Cop" transaction log bacups 8i% available9

• :acup up pri!ar" database log it( /&C

• estore pri!ar" database log on secondar" it( C&obs• Confgure log s(ipping on ne pri!ar" serv


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Log S(ipping Strengt(s andeanesses• Strengt(s

– Mature and stable

– Multiple cop" >obs and restore >obs eac( it( diGerent sc(edules %orestores

– /ot too diAcult to initiall" confgure or !anage

– /o specialt" (ardare re-uired

– Can span data centers

– Secondar" database copies can be -ueried 8but not !odifed9

– +lert >ob can raise an alert i% a bacup or restore operation does noit(in a t(res(old

• eanesses – Manual %ailover

– Confgured on a perBdatabase basis

–

CanHt protect Master


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DM&I!ple!enting Log S(ipping


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Topic7 Mirroring


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Topic7 Mirroring

• T(e :asics

• Confguration &ptions

• *andling 6ailover

• Mirroring Strengt(s and eanesses

T( : i


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T(e :asics

• 3ser database transactions

are live s(ipped to a singlesecondar" and applieds"nc(ronousl" oras"nc(ronousl"

• Depending on confguration@

database %ailover andrecover" can occur it(in tenseconds it( auto!atic clientredirection

• Scope o% protection.singleuser database at a ti!e

f i i


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Confguration &ptions

• Single !irror database cop"

• T(ree !a>or confgurations – *ig( sa%et" it( auto!atic

%ailover• $itness re%uired

– *ig( sa%et" it(out auto!atic%ailover

– *ig( per%or!ance 8as"nc(ronouslog (ardening9

• 6ull recover" !odel re-uired

• ndpoint confguration re-uired – $ort

– +ut(entication

– ncr"ption

•,eograp(ical spanning support

Mi i S ( d


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Mirroring Strengt(s and eanes

• Strengt(s –


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DM&I!ple!enting Database Mirroring


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Topic7 +la"s&n

T i +l &


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Topic7 +la"s&n

• T(e :asics

• I!ple!enting +la"s&n

• +la"s&n 6ailover

• +la"s&n Strengt(s and eanesses

T( : i


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T(e :asics

• /e %eature in SQL Server 2012

•

$rovides a %ailover environ!ent %or a set o% databases t(atoget(er

• + collection o% pri!ar" replica databases support readBritconnections

• + collection o% secondar" replica databases 8up to %our9 su

onl" connections• e-uires a indos Server %ailover

cluster

• S"nc(ronousBco!!itand as"nc(ronousBco!!it !odes

• $lanned and auto!atic %ailover it(

I l ti +l &


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I!ple!enting +la"s&n

• ac( instance (osting an availabilit" group !ust be a indos Serverdition9 %ailover clustering node

• Sa!e collation on eac( instance

• nable t(e +la"s&n availabilit" groups %eature on eac( instance 8SQConfguration Manager or indos $oerS(ell9

• un t(e ne +vailabilit" ,roup i'ard – +dd desired databases@ %ull recover" !odel

– Confgure a database !irroring endpoint

– Create an availabilit" group listener

– Speci%" replicas

– Select an initial s"nc(roni'ation option• 6ull

• Eoin onl"

• Sip initial data s"nc(roni'ation

+la"s&n 6ailover


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+la"s&n 6ailover

• T(ree %ailover !odes – +uto!atic %ailover 8it(out data loss9

– $lanned !anual %ailover 8it(out data loss9 – 6orced !anual %ailover 8it( possible data loss9

• During t(e %ailover@ t(e %ailover target taes over t(e pri!recovers its databases@ and brings t(e! online as t(e nedatabases

• T(e %or!er pri!ar" replica@ (en available@ sitc(es to t(role@ and its databases beco!e secondar" databases

• T(e %or!8s9 o% %ailover t(at a given availabilit" replica suppspecifed b" t(e %ailover !ode propert" – S"nc(ronousBco!!it replicas

–

+s"nc(ronousBco!!it replicas

+la"s&n Strengt(s and eane


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+la"s&n Strengt(s and eane

• Strengt(s –


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Topic7 6ailover Clustering



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• T(e :asics

• I!ple!enting 6ailover Clustering

• 6ailing &ver it( 6ailover Clustering

• 6ailover Clustering Strengt(s and eaness

T(e :asics


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T(e :asics

• $rovides protection in t(e event o% a catastrop(ic (8server9 %ailure

• e-uires t(e indos Server 6ailover Cluster serv

• &nl" supports clusterBaare services or applicationMicroso%t SQL Server or Microso%t =c(ange Serve

•

e-uires s(ared dis storage 86ibre C(annel or iSC• Clients connect to a virtual na!e (osted b" one o%

in t(e cluster

• $rovides instanceBlevel availabilit" it( auto!atic

!anual %ailover

I!ple!enting 6ailover Clustering


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I!ple!enting 6ailover Clustering

• Multiple server nodes

•

Speciali'ed storagere-uire!ents

• /odes can no spansubnets

• e-uires t(e indosClustering 6eature

• e-uires SQL Serverinstalled on t(ecluster

6ailing &ver it( 6ailover Clusteri


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6ailing &ver it( 6ailover Clusteri

• Deter!ined b" %ailover polic"? usuall" set to auto!

•

T(e resource group oner 8server node9 is deter!-uoru! – /ode !a>orit"

– /ode and fle s(are !a>orit"

– /ode and dis !a>orit"

–

Dis onl"• 6ailover ti!e period !a" be lengt("

• 6ailover node restarts t(e instance and recover o% databases occurs

•

Kero reconfguration o% applications and clients

6ailover Clustering Strengt(s and


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6ailover Clustering Strengt(s andeanesses• Strengt(s

– Stable and !ature

– $rotects an entire instance and s"ste! databases

– asier t(an ever to setup it( t(e indos Cluster


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201# Microso%t Corporation +ll rig(ts reserved Microso%t@ indos@ &Ace@ +'ure@ S"ste! Center@ D"na!ics and ot(er product na!es atrade!ars and;or trade!ars in t(e 3S and;or ot(er countries T(e in%or!ation (erein is %or in%or!ational purposes onl" and representMicroso%t Corporation as o% t(e date o% t(is presentation :ecause Microso%t !ust respond to c(anging !aret conditions@ it s(ould not be

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Administering Microsoft SQL Server 2012 Databases Jumpstart-Mod 6 Final

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