{"id":9135,"date":"2026-05-11T00:50:00","date_gmt":"2026-05-11T03:50:00","guid":{"rendered":"https:\/\/executestep.com\/?p=9135"},"modified":"2026-05-18T23:53:50","modified_gmt":"2026-05-19T02:53:50","slug":"oracle-rac-12c-vmware-intro","status":"publish","type":"post","link":"https:\/\/executestep.com\/pt-br\/oracle\/oracle-rac-12c-vmware-intro\/","title":{"rendered":"Oracle RAC 12.2 no VMware Workstation – Apresenta\u00e7\u00e3o da S\u00e9rie"},"content":{"rendered":"\n

S\u00e9rie:<\/strong> Oracle RAC 12.2 \u2014 Instala\u00e7\u00e3o Completa no VMware Workstation<\/p>\n\n\n\n

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\ud83d\udccc Uma nota antes de come\u00e7ar<\/strong> Sei que estamos em 2026 e o Oracle RAC 12c j\u00e1 est\u00e1 fora de suporte. O objetivo desta s\u00e9rie n\u00e3o \u00e9 recomendar essa vers\u00e3o para produ\u00e7\u00e3o \u2014 \u00e9 compartilhar o que faz parte do meu dia a dia como DBA: aprender, revisar conceitos e documentar o processo. Se no caminho isso ajudar outra pessoa, melhor ainda.<\/p>\n<\/blockquote>\n\n\n\n

\ud83d\udccb Esta s\u00e9rie \u2014 Oracle RAC 12.2 no VMware Workstation:<\/strong><\/p>\n\n\n\n

Posts da s\u00e9rie<\/th><\/tr><\/thead>
Apresenta\u00e7\u00e3o da S\u00e9rie \u2014 Arquitetura RAC, ambiente e softwares<\/strong><\/a> \u2190 este post<\/td><\/tr>
Post 1 \u2014 Configura\u00e7\u00e3o do VMware e targetcli iSCSI<\/strong><\/a><\/td><\/tr>
Post 2 \u2014 Configura\u00e7\u00e3o do Oracle Linux e iSCSI Initiator<\/strong><\/a><\/td><\/tr>
Post 3 \u2014 Instala\u00e7\u00e3o do Grid Infrastructure 12.2<\/strong><\/a><\/td><\/tr>
Post 4 \u2014 Instala\u00e7\u00e3o do Oracle Database e DBCA<\/strong><\/a><\/td><\/tr>
Post 5 \u2014 Valida\u00e7\u00e3o Final e Refer\u00eancia R\u00e1pida<\/strong><\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

O que \u00e9 o Oracle RAC?<\/h2>\n\n\n\n

O RAC funciona com m\u00faltiplos servidores (n\u00f3s) acessando os mesmos datafiles armazenados em storage compartilhado. O que torna isso poss\u00edvel \u00e9 o Oracle Clusterware<\/strong> \u2014 o software que coordena os n\u00f3s, gerencia recursos e garante a consist\u00eancia dos dados.<\/p>\n\n\n\n

Componentes principais<\/h3>\n\n\n\n

Oracle Clusterware (Grid Infrastructure):<\/strong> gerencia recursos do cluster, VIPs, OCR e Voting Disks. \u00c9 instalado antes do banco de dados e \u00e9 o cora\u00e7\u00e3o do RAC.<\/p>\n\n\n\n

Oracle ASM (Automatic Storage Management):<\/strong> sistema de arquivos e volume manager dedicado para Oracle. Gerencia os discos compartilhados de forma transparente entre os n\u00f3s.<\/p>\n\n\n\n

Cache Fusion:<\/strong> mecanismo que permite que os n\u00f3s compartilhem blocos de dados em mem\u00f3ria via interconnect, sem precisar ir ao disco. \u00c9 o que diferencia o RAC de um cluster simples.<\/p>\n\n\n\n

SCAN (Single Client Access Name):<\/strong> ponto de entrada \u00fanico para os clientes. Tr\u00eas IPs em round-robin garantem balanceamento de carga e transpar\u00eancia de failover \u2014 a aplica\u00e7\u00e3o n\u00e3o precisa saber em qual n\u00f3 a inst\u00e2ncia est\u00e1 rodando.<\/p>\n\n\n\n

OCR (Oracle Cluster Registry):<\/strong> reposit\u00f3rio que armazena as configura\u00e7\u00f5es do cluster \u2014 recursos, n\u00f3s, VIPs, servi\u00e7os.<\/p>\n\n\n\n

Voting Disks:<\/strong> discos usados pelo Clusterware para determinar quais n\u00f3s est\u00e3o ativos. Em caso de falha de comunica\u00e7\u00e3o entre n\u00f3s (split-brain), o voting disk determina qual n\u00f3 sobrevive e qual \u00e9 desligado (evicted).<\/p>\n\n\n\n

Topologia de rede<\/h3>\n\n\n\n
Rede<\/th>Uso<\/th>Interface<\/th><\/tr><\/thead>
P\u00fablica<\/td>Acesso de clientes, VIPs, SCAN<\/td>eth0<\/td><\/tr>
Interconnect<\/td>Cache Fusion entre os n\u00f3s<\/td>eth1<\/td><\/tr>
iSCSI<\/td>Tr\u00e1fego de storage<\/td>eth2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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\ud83d\udca1 Na pr\u00e1tica:<\/strong> Neste lab eth0 e eth2 compartilham o mesmo vmnet0 (Bridged) \u2014 o VMware n\u00e3o permite duas vmnet Bridged na mesma NIC f\u00edsica. A separa\u00e7\u00e3o \u00e9 feita pelos IPs: eth0 usa 192.168.15.170\/171<\/code> e eth2 usa 192.168.15.130\/131<\/code>.<\/p>\n<\/blockquote>\n\n\n\n

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Ambiente de Refer\u00eancia<\/h2>\n\n\n\n
Item<\/th>Valor<\/th><\/tr><\/thead>
Hypervisor<\/td>VMware Workstation<\/td><\/tr>
Host<\/td>Linux<\/td><\/tr>
Guest OS<\/td>Oracle Linux 7.9<\/td><\/tr>
Oracle Grid Infrastructure<\/td>12.2.0.1<\/td><\/tr>
Oracle Database<\/td>12c Release 2 (12.2.0.1)<\/td><\/tr>
Storage<\/td>targetcli (Linux-IO) \u2014 iSCSI<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mapeamento de IPs<\/h3>\n\n\n\n
Host<\/th>Interface<\/th>IP<\/th>Uso<\/th><\/tr><\/thead>
orclrac1<\/td>eth0<\/td>192.168.15.170<\/td>Rede p\u00fablica<\/td><\/tr>
orclrac1<\/td>eth1<\/td>10.10.10.1<\/td>Interconnect<\/td><\/tr>
orclrac1<\/td>eth2<\/td>192.168.15.130<\/td>iSCSI<\/td><\/tr>
orclrac1-vip<\/td>\u2014<\/td>192.168.15.180<\/td>VIP<\/td><\/tr>
orclrac2<\/td>eth0<\/td>192.168.15.171<\/td>Rede p\u00fablica<\/td><\/tr>
orclrac2<\/td>eth1<\/td>10.10.10.2<\/td>Interconnect<\/td><\/tr>
orclrac2<\/td>eth2<\/td>192.168.15.131<\/td>iSCSI<\/td><\/tr>
orclrac2-vip<\/td>\u2014<\/td>192.168.15.181<\/td>VIP<\/td><\/tr>
orclrac-scan<\/td>\u2014<\/td>192.168.15.190\/191\/192<\/td>SCAN<\/td><\/tr>
vpslab<\/td>\u2014<\/td>192.168.15.3<\/td>iSCSI Target (targetcli)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Layout de Discos<\/h3>\n\n\n\n
LUN<\/th>Arquivo<\/th>Tamanho<\/th>Dispositivo<\/th>Disk Group Oracle<\/th><\/tr><\/thead>
lun-0<\/td>lun-ocr-vote1.img<\/td>10 GB<\/td>\/dev\/sdc<\/td>+OCR (voting)<\/td><\/tr>
lun-1<\/td>lun-ocr-vote2.img<\/td>10 GB<\/td>\/dev\/sdh<\/td>+OCR (voting)<\/td><\/tr>
lun-2<\/td>lun-ocr-vote3.img<\/td>10 GB<\/td>\/dev\/sdg<\/td>+OCR (voting)<\/td><\/tr>
lun-3<\/td>lun-gimr.img<\/td>40 GB<\/td>\/dev\/sdf<\/td>+MGMT (GIMR)<\/td><\/tr>
lun-4<\/td>lun-data1.img<\/td>60 GB<\/td>\/dev\/sde<\/td>+DATA<\/td><\/tr>
lun-5<\/td>lun-fra1.img<\/td>40 GB<\/td>\/dev\/sdd<\/td>+FRA<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n

O lsblk<\/code> pode mostrar os dispositivos fora de ordem \u2014 o kernel atribui nomes em ordem de descoberta. Use ls -la \/dev\/disk\/by-path\/ | grep iscsi<\/code> para identificar corretamente cada LUN.<\/p>\n<\/blockquote>\n\n\n\n

\n\n\n\n

Softwares Necess\u00e1rios<\/h2>\n\n\n\n
Software<\/th>Vers\u00e3o<\/th>Obten\u00e7\u00e3o<\/th><\/tr><\/thead>
VMware Workstation<\/td>Atual<\/td>vmware.com<\/a><\/td><\/tr>
Oracle Linux<\/td>7.9<\/td>edelivery.oracle.com<\/a><\/td><\/tr>
Oracle Grid Infrastructure<\/td>12.2.0.1<\/td>edelivery.oracle.com<\/a><\/td><\/tr>
Oracle Database<\/td>12c R2 (12.2.0.1)<\/td>edelivery.oracle.com<\/a><\/td><\/tr>
targetcli-fb<\/td>\u2014<\/td>apt install -y targetcli-fb<\/code> (vpslab Ubuntu)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n

Os bin\u00e1rios do Oracle requerem conta gratuita no Oracle eDelivery. Pesquise por Oracle Grid Infrastructure 12.2<\/strong> e Oracle Database 12c Release 2<\/strong> selecionando Linux x86-64.<\/p>\n<\/blockquote>\n\n\n\n

\n","protected":false},"excerpt":{"rendered":"

S\u00e9rie: Oracle RAC 12.2 \u2014 Instala\u00e7\u00e3o Completa no VMware Workstation \ud83d\udccc Uma nota antes de come\u00e7ar Sei que estamos em 2026 e o Oracle RAC 12c j\u00e1 est\u00e1 fora de suporte. O objetivo desta s\u00e9rie n\u00e3o \u00e9 recomendar essa vers\u00e3o para produ\u00e7\u00e3o \u2014 \u00e9 compartilhar o que faz parte do meu dia a dia como<\/p>\n","protected":false},"author":1,"featured_media":8574,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"oracle rac 12.2 vmware workstation targetcli","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"S\u00e9rie completa para montar Oracle RAC 12.2 no VMware Workstation com targetcli iSCSI. 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