Oracle Real Application Cluster(RAC)_ Adding Nodes to Oracle RAC Database

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Oracle Real Application

Cluster(RAC)HomeWednesday, 31 October 2012

Adding Node To Oracle RAC Database

Summary:==============================================================

This presentation will provide detail steps for Oracle DBA and Linux Engineer toadd new node to existing 11gR1 (11.1..!" data#ase RA$.

The %ost critical steps that need to #e followed are&

'erif the exists cluster configuration

)nstallation *rere+uisite

$onfiguring ,,- on ew $luster /e%#er odes

*re0install checing

Bacup the files (O$R2 'oting Dis2 root.sh2 ora)nventor"

Adding an Oracle $lusterware ho%e to new nodes using O3) in interactive

node

$onfigure O, for the new node.

Adding an Oracle A,/ ho%e to new nodes using O3) in interactive node

(Re+uired )f ou have separate ho%e director "

Adding an Oracle RDB/, ho%e to new nodes using O3) in interactive

%ode

Reconfigure listener on new node using ET$A

Adding A,/ instance to new nodes using DB$A

Adding DB )nstance to new nodes using DB$A

1. a) Verify the exists cluster configuration[oracle@krac1 ~]$ crs_stat -t -v

Name Type R/RA F/FT Target State Host

----------------------------------------------------------------------

ora!1"#st appl"cat"o# /% / &N!'N( &N!'N( krac1

ora!)"#st appl"cat"o# /% / &N!'N( &N!'N( krac)

ora&R*!+, appl"cat"o# / /1 &N!'N( &N!'N( krac1

oraS1asm appl"cat"o# /% / &N!'N( &N!'N( krac1

ora*1ls#r appl"cat"o# /% / &N!'N( &N!'N( krac1

orakrac1gs+ appl"cat"o# /% / &N!'N( &N!'N( krac1

orakrac1o#s appl"cat"o# /. / &N!'N( &N!'N( krac1

orakrac1v"p appl"cat"o# / / &N!'N( &N!'N( krac1

oraS)asm appl"cat"o# /% / &N!'N( &N!'N( krac)

ora*)ls#r appl"cat"o# /% / &N!'N( &N!'N( krac)

orakrac)gs+ appl"cat"o# /% / &N!'N( &N!'N( krac)

orakrac)o#s appl"cat"o# /. / &N!'N( &N!'N( krac)

orakrac)v"p appl"cat"o# / / &N!'N( &N!'N( krac)

RAC Database Configuration details

Adding Nodes To Oracle RAC Database

2012(8)

October(2)

Adding Nodes To Oracle RACDatabase

Creating a RAC DatabaseManall! ("it#ot dbca)

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$ Agst(1)

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%#are 1* More Ne+t ,log- Create ,log %ign .n

3/4/2014 Oracle Real Application Cluster(RAC): Ad

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[oracle@krac1 ~]$ srvctl co#"g +ata,ase -+ orcl

krac1 &R*!1 /0)/app/oracle/pro+0ct/111/+,_1

krac) &R*!) /0)/app/oracle/pro+0ct/111/+,_1

[oracle@krac1 ~]$ srvctl stat0s +ata,ase -+ orcl

Instance ORCL1 is running on node krac1

Instance ORCL2 is running on node krac2

Automatic Storage ManagementASM) Configuration details[oracle@krac1 ~]$ srvctl co#"g asm -# krac1

AS1 /0)/app/oracle/pro+0ct/111/asm_1

[oracle@krac1 ~]$ srvctl co#"g asm -# krac)

AS) /0)/app/oracle/pro+0ct/111/asm_1

[oracle@krac1 ~]$ srvctl stat0s asm -# krac1ASM instance +ASM1 is running on node krac1.

[oracle@krac1 ~]$ srvctl stat0s asm -# krac)

ASM instance +ASM2 is running on node krac2.

[oracle@krac1 ~]$

!odea""s Configuration Details[oracle@krac1 ~]$ srvctl co#"g #o+eapps -# krac1

2'3 e4"sts5 /krac1-v"p/1%)16716/)%%)%%)%%/et8

9S: e4"sts

&NS +aemo# e4"sts

!"ste#er e4"sts

[oracle@krac1 ~]$ srvctl co#"g #o+eapps -# krac)

2'3 e4"sts5 /krac)-v"p/1%)167161/)%%)%%)%%/et8

9S: e4"sts

&NS +aemo# e4"sts

!"ste#er e4"sts

#istener Configuration Details[oracle@krac1 ~]$ srvctl co#"g l"ste#er -# krac1

krac1 !'ST(N(R_;RA*1

[oracle@krac1 ~]$ srvctl stat0s #o+eapps -# krac1

2'3 "s r0##"#g o# #o+e5 krac1

9S: "s r0##"#g o# #o+e5 krac1

Listener is running on node: krac1

&NS +aemo# "s r0##"#g o# #o+e5 krac1

[oracle@krac1 ~]$ srvctl stat0s #o+eapps -# krac)

2'3 "s r0##"#g o# #o+e5 krac)

9S: "s r0##"#g o# #o+e5 krac)

Listener is running on node: krac2

&NS +aemo# "s r0##"#g o# #o+e5 krac)

!odes and $n%ironment Details[oracle@krac1 ~]$ ols#o+es -# -p -"

krac1 1 krac1-pr"v krac1-v"p

krac) ) krac)-pr"v krac)-v"p


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[crs@krac. ~]$ c+ ~/ss8

[crs@krac. ss8]$ /0sr/,"#/ss8-keyge# -t rsa

9e#erat"#g p0,l"c/pr"vate rsa key pa"r

(#ter "le "# 8"c8 to save t8e key >/8ome/crs/ss8/"+_rsa?5"#N$#R%

(#ter passp8rase >empty or #o passp8rase?5"#N$#R%

(#ter same passp8rase aga"#5"#N$#R%

Bo0r "+e#t""cat"o# 8as ,ee# save+ "# /8ome/crs/ss8/"+_rsa

Bo0r p0,l"c key 8as ,ee# save+ "# /8ome/crs/ss8/"+_rsap0,

T8e key "#gerpr"#t "s5

)e57%5e565c751C56656%5)757.5C5+,57515151 crs@krac.+,pro+com

[crs@krac. ss8]$ /0sr/,"#/ss8-keyge# -t +sa

9e#erat"#g p0,l"c/pr"vate +sa key pa"r

(#ter "le "# 8"c8 to save t8e key >/8ome/crs/ss8/"+_+sa?5"#N$#R%

(#ter passp8rase >empty or #o passp8rase?5"#N$#R%

(#ter same passp8rase aga"#5"#N$#R%

Bo0r "+e#t""cat"o# 8as ,ee# save+ "# /8ome/crs/ss8/"+_+sa

Bo0r p0,l"c key 8as ,ee# save+ "# /8ome/crs/ss8/"+_+sap0,

T8e key "#gerpr"#t "s5

65%)56156%5,5+5%a5%c5,)57.5D5,C5+)5D,5D+5)1 crs@krac.+,pro+com

[crs@krac. ss8]$ ls -ltr

total 16

-r-r--r-- 1 crs o"#stall C) &ct )) )15% "+_rsap0,

-r------- 1 crs o"#stall 16% &ct )) )15% "+_rsa

-r-r--r-- 1 crs o"#stall 61 &ct )) )15% "+_+sap0,

-r------- 1 crs o"#stall 667 &ct )) )15% "+_+sa

b. SC+ the authori/ed0'eys file from exist node on 'rac1)s0 - crs

[crs@krac1 ss8]$ scp ~/ss8/a0t8or"Ee+_keys krac.5$H&( /ss8/

c. #ogin into ne& node 'rac-.db"rod.com)[crs@krac. ss8]$ ls -ltr

total )

-r-r--r-- 1 crs o"#stall C) &ct )) )15% "+_rsap0,

-r------- 1 crs o"#stall 16% &ct )) )15% "+_rsa

-r-r--r-- 1 crs o"#stall 61 &ct )) )15% "+_+sap0,

-r------- 1 crs o"#stall 667 &ct )) )15% "+_+sa

-r-r--r-- 1 crs o"#stall ))C &ct )) )15%aut&ori'ed(ke)s

*crskrac3 .ss&,- cat id(rsa.ub %% aut&ori'ed(ke)s

*crskrac3 .ss&,- cat id(dsa.ub %% aut&ori'ed(ke)s

d. Co"y the latest authori/ed0'ey file to remaining all nodes in cluster.s0 - crs

[crs@krac. ss8]$ sc aut&ori'ed(ke)s krac1:-OM#/.ss&/.

[crs@krac. ss8]$ sc aut&ori'ed(ke)s krac2:-OM#/..ss&/.

e. $nabling SS ser $,ui%alency on Cluster Member !odes !eed to done both crs and oracle

users)ss8 krac1 +ate

ss8 krac) +ate

ss8 krac. +ate

ss8 krac1+,pro+com +ate

ss8 krac)+,pro+com +ate

ss8 krac.+,pro+com +ate

ss8 krac1-pr"v +ate

ss8 krac)-pr"v +ate

ss8 krac.-pr"v +ate

ss8 krac1-pr"v+,pro+com +ate

ss8 krac)-pr"v+,pro+com +ate

ss8 krac.-pr"v+,pro+com +ate

f. Re"eat the same ste"s as a oracle user in all ne& nodes.

-. +re2install chec'ing

a" 'erif cluster health on existing nodes (ocrchec2 cluvf".[oracle@krac1 ~]$ ocrc8eck

Stat0s o &racle *l0ster Reg"stry "s as ollos 5

2ers"o# 5 )

Total space >k,ytes? 5 1C.D16

se+ space >k,ytes? 5 %61)


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Ava"la,le space >k,ytes? 5 1.7.C

': 5 1.CD7%D)

:ev"ce/F"le Name 5 /+ev/ra/ra1

:ev"ce/F"le "#tegr"ty c8eck s0ccee+e+

:ev"ce/F"le #ot co#"g0re+

*l0ster reg"stry "#tegr"ty c8eck s0ccee+e+

#" This theor assu%es that the *rere+uisites )nstallation taes have alread #een

perfor%ed on the nodes.$cl0vy stage -post 8os -# krac.

c" $hec O, version2 4ernel para%eters2 5etc5hosts file and ensure the are

identical on all nodes.

[oracle@krac1 ~]$ 0#ame -#rmo

krac1+,pro+com 2.0.114.e56 i00 7N8/Linu9

[oracle@krac1 ~]$ cat /etc/re+8at-release

Red at #nterrise Linu9 Serer re5ease 6.6 ;$ikangac? 1D7)= )= &racle All r"g8ts reserve+

*o##ecte+ to5

&racle :ata,ase 11g (#terpr"se (+"t"o# Release 1116 - 3ro+0ct"o#

J"t8 t8e 3art"t"o#"#g= Real Appl"cat"o# *l0sters= &!A3= :ata "#"#g

a#+ Real Appl"cat"o# Test"#g opt"o#s

SQ!O col 8ost_#ame or a)%

SQ!O col "#sta#ce_#ame or a)

SQ!O select "#sta#ce_#ame=8ost_#ame rom v$"#sta#ce

'NSTAN*(_NA( H&ST_NA(

-------------------- -------------------------

ORCL3 krac3.dbrod.co!

SQ!O select "#sta#ce_#ame=8ost_#ame rom gv$"#sta#ce

'NSTAN*(_NA( H&ST_NA(

-------------------- -------------------------




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Oracle Real Application Cluster(RAC)_ Adding Nodes to Oracle RAC Database