Blog Flávio Soares
Oracle, Database, Data Guard, RAC, Performance, Exadata, ASM, Goldengate, Troubleshooting
October 1, 2011
Parte 1 - Introdução
Parte 2 - Criação e configuração da VM
Parte 3 - Criação do Oracle Linux
Parte 4 - Configuração do Oracle Linux I
Parte 5 - Configuração do Oracle Linux II
Parte 6 - Clonagem da VM e criação dos disk image
Parte 7 – Configuração dos discos ASM e OCFS2
Parte 8 - Instalação do Oracle Clusterware
Parte 9 - Aplicação do Patch 10.2.0.5 no Oracle Clusterware
Parte 10 - Instalação Oracle Database 10g
Parte 11 - Aplicação do Patch 10.2.0.5 no Oracle Database
Parte 12 - Criação do Listener e ASM em modo cluster
Parte 13 - Criação do banco de dados
…
Na parte 7 do nosso artigo, vamos aprender como configurar os discos apresentados para as VM 1 e 2 no post anterior.
Criando as partições
Ao todo foram 5 discos criados, sendo 4 de 5G que será para o ASM e 1 disco de 1G para o OCFS2. Através do comando fdisk -l podemos ver os discos apresentados em cada uma das máquinas. Lembre-se que esse comando deve ser executado como root, observe que a verificação é feita na máquina 1 (rac1) e depois na máquina 2 (rac2).
[root@rac1 ~]# fdisk -l Disk /dev/sda: 16.1 GB, 16106127360 bytes 255 heads, 63 sectors/track, 1958 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 1827 14675346 83 Linux /dev/sda2 1828 1958 1052257+ 82 Linux swap / Solaris Disk /dev/sdb: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdb doesn't contain a valid partition table Disk /dev/sdc: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdc doesn't contain a valid partition table Disk /dev/sdd: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdd doesn't contain a valid partition table Disk /dev/sde: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sde doesn't contain a valid partition table Disk /dev/sdf: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdf doesn't contain a valid partition table [root@rac1 ~]# ssh rac2 The authenticity of host 'rac2 (10.0.0.20)' can't be established. RSA key fingerprint is 86:5a:97:20:00:13:34:97:16:95:f1:4d:b5:ec:49:a4. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'rac2,10.0.0.20' (RSA) to the list of known hosts. root@rac2's password: Last login: Tue Sep 27 20:42:23 2011 from shadowy.lan [root@rac2 ~]# fdisk -l Disk /dev/sda: 16.1 GB, 16106127360 bytes 255 heads, 63 sectors/track, 1958 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 1827 14675346 83 Linux /dev/sda2 1828 1958 1052257+ 82 Linux swap / Solaris Disk /dev/sdb: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdb doesn't contain a valid partition table Disk /dev/sdc: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdc doesn't contain a valid partition table Disk /dev/sdd: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdd doesn't contain a valid partition table Disk /dev/sde: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sde doesn't contain a valid partition table Disk /dev/sdf: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdf doesn't contain a valid partition table
Caso esteja tudo igual de uma máquina como na outra, vamos a criação das partições de cada um dos discos. O procedimento é muito simples e também é realizado com o comando fdisk executado como root. Vamos primeiro fazer na máquina 1:
Disco “/dev/sdb”
[root@rac1 ~]# fdisk /dev/sdb Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel. Changes will remain in memory only, until you decide to write them. After that, of course, the previous content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-652, default 1): Using default value 1 Last cylinder or +size or +sizeM or +sizeK (1-652, default 652): Using default value 652 Command (m for help): p Disk /dev/sdb: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 652 5237158+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]#
Disco “/dev/sdc”
[root@rac1 ~]# fdisk /dev/sdc Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel. Changes will remain in memory only, until you decide to write them. After that, of course, the previous content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-652, default 1): Using default value 1 Last cylinder or +size or +sizeM or +sizeK (1-652, default 652): Using default value 652 Command (m for help): p Disk /dev/sdc: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 1 652 5237158+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]#
Disco “/dev/sdd”
[root@rac1 ~]# fdisk /dev/sdd Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel. Changes will remain in memory only, until you decide to write them. After that, of course, the previous content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-652, default 1): Using default value 1 Last cylinder or +size or +sizeM or +sizeK (1-652, default 652): Using default value 652 Command (m for help): p Disk /dev/sdd: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdd1 1 652 5237158+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]#
Disco “/dev/sde”
[root@rac1 ~]# fdisk /dev/sde Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel. Changes will remain in memory only, until you decide to write them. After that, of course, the previous content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-652, default 1): Using default value 1 Last cylinder or +size or +sizeM or +sizeK (1-652, default 652): Using default value 652 Command (m for help): p Disk /dev/sde: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sde1 1 652 5237158+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]#
Feito o disco /dev/sde, temos os 4 discos do ASM criado a partição, agora é hora do disco do OCFS2 de 1G. O procedimento é o mesmo, só que agora vamos criar 2 partições, não 1 como estava sendo feito:
Disco “/dev/sdf”
[root@rac1 ~]# fdisk /dev/sdf Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-130, default 1): Using default value 1 Last cylinder or +size or +sizeM or +sizeK (1-130, default 130): +512M Command (m for help): p Disk /dev/sdf: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdf1 1 63 506016 83 Linux Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 2 First cylinder (64-130, default 64): Using default value 64 Last cylinder or +size or +sizeM or +sizeK (64-130, default 130): Using default value 130 Command (m for help): p Disk /dev/sdf: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdf1 1 63 506016 83 Linux /dev/sdf2 64 130 538177+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks.
Vamos conferir o resultado:
[root@rac1 ~]# fdisk -l Disk /dev/sda: 16.1 GB, 16106127360 bytes 255 heads, 63 sectors/track, 1958 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 1827 14675346 83 Linux /dev/sda2 1828 1958 1052257+ 82 Linux swap / Solaris Disk /dev/sdb: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 652 5237158+ 83 Linux Disk /dev/sdc: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 1 652 5237158+ 83 Linux Disk /dev/sdd: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdd1 1 652 5237158+ 83 Linux Disk /dev/sde: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sde1 1 652 5237158+ 83 Linux Disk /dev/sdf: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdf1 1 63 506016 83 Linux /dev/sdf2 64 130 538177+ 83 Linux
[root@rac1 ~]# ll /dev/sd* brw-r----- 1 root disk 8, 0 Sep 27 20:37 /dev/sda brw-r----- 1 root disk 8, 1 Sep 27 20:37 /dev/sda1 brw-r----- 1 root disk 8, 2 Sep 27 20:37 /dev/sda2 brw-r----- 1 root disk 8, 16 Sep 27 21:00 /dev/sdb brw-r----- 1 root disk 8, 17 Sep 27 21:00 /dev/sdb1 brw-r----- 1 root disk 8, 32 Sep 27 21:01 /dev/sdc brw-r----- 1 root disk 8, 33 Sep 27 21:01 /dev/sdc1 brw-r----- 1 root disk 8, 48 Sep 27 21:01 /dev/sdd brw-r----- 1 root disk 8, 49 Sep 27 21:01 /dev/sdd1 brw-r----- 1 root disk 8, 64 Sep 27 21:01 /dev/sde brw-r----- 1 root disk 8, 65 Sep 27 21:01 /dev/sde1 brw-r----- 1 root disk 8, 80 Sep 27 21:02 /dev/sdf brw-r----- 1 root disk 8, 81 Sep 27 21:02 /dev/sdf1 brw-r----- 1 root disk 8, 82 Sep 27 21:02 /dev/sdf2
Com as partições criadas dos discos na VM 1, vamos fazer o procedimento parecido só que agora na máquina 2:
Disco “/dev/sdb”
[root@rac2 ~]# hostname rac2.localdomain [root@rac2 ~]# [root@rac2 ~]# fdisk /dev/sdb Command (m for help): p Disk /dev/sdb: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 652 5237158+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac2 ~]#
Disco “/dev/sdc”
[root@rac2 ~]# fdisk /dev/sdc Command (m for help): p Disk /dev/sdc: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 1 652 5237158+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks.
Disco “/dev/sdd”
[root@rac2 ~]# fdisk /dev/sdd Command (m for help): p Disk /dev/sdd: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdd1 1 652 5237158+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks.
Disco “/dev/sde”
[root@rac2 ~]# fdisk /dev/sde Command (m for help): p Disk /dev/sde: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sde1 1 652 5237158+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks.
Disco “/dev/sdf”
[root@rac2 ~]# fdisk /dev/sdf Command (m for help): p Disk /dev/sdf: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdf1 1 63 506016 83 Linux /dev/sdf2 64 130 538177+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks.
Conferindo na máquina 2:
[root@rac2 ~]# fdisk -l Disk /dev/sda: 16.1 GB, 16106127360 bytes 255 heads, 63 sectors/track, 1958 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 1827 14675346 83 Linux /dev/sda2 1828 1958 1052257+ 82 Linux swap / Solaris Disk /dev/sdb: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 652 5237158+ 83 Linux Disk /dev/sdc: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 1 652 5237158+ 83 Linux Disk /dev/sdd: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdd1 1 652 5237158+ 83 Linux Disk /dev/sde: 5368 MB, 5368709120 bytes 255 heads, 63 sectors/track, 652 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sde1 1 652 5237158+ 83 Linux Disk /dev/sdf: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdf1 1 63 506016 83 Linux /dev/sdf2 64 130 538177+ 83 Linux [root@rac2 ~]# ll /dev/sd* brw-r----- 1 root disk 8, 0 Sep 27 20:37 /dev/sda brw-r----- 1 root disk 8, 1 Sep 27 20:37 /dev/sda1 brw-r----- 1 root disk 8, 2 Sep 27 20:37 /dev/sda2 brw-r----- 1 root disk 8, 16 Sep 27 20:37 /dev/sdb brw-r----- 1 root disk 8, 17 Sep 27 21:13 /dev/sdb1 brw-r----- 1 root disk 8, 32 Sep 27 20:37 /dev/sdc brw-r----- 1 root disk 8, 33 Sep 27 21:13 /dev/sdc1 brw-r----- 1 root disk 8, 48 Sep 27 20:37 /dev/sdd brw-r----- 1 root disk 8, 49 Sep 27 21:13 /dev/sdd1 brw-r----- 1 root disk 8, 64 Sep 27 20:37 /dev/sde brw-r----- 1 root disk 8, 65 Sep 27 21:14 /dev/sde1 brw-r----- 1 root disk 8, 80 Sep 27 20:37 /dev/sdf brw-r----- 1 root disk 8, 81 Sep 27 21:14 /dev/sdf1 brw-r----- 1 root disk 8, 82 Sep 27 21:14 /dev/sdf2
Discos ASM
As partições:
/dev/sdb1
/dev/sdc1
/dev/sdd1
/dev/sde1
Serão as partições que serão apresentadas ao ASM. Na parte 5 dessa séria de artigos foi instalado e configurado o ASMLib, agora é hora de aprender como utilizamos. O ASMLib nada mais é do que uma biblioteca que é capaz de pegar as partições brutas disponíveis no Linux a apresentar ao ASM. Vamos agora ver, como isso é feito:
[root@rac1 ~]# /etc/init.d/oracleasm createdisk DISK1 /dev/sdb1 Marking disk "DISK1" as an ASM disk: [ OK ] [root@rac1 ~]# /etc/init.d/oracleasm createdisk DISK2 /dev/sdc1 Marking disk "DISK2" as an ASM disk: [ OK ] [root@rac1 ~]# /etc/init.d/oracleasm createdisk DISK3 /dev/sdd1 Marking disk "DISK3" as an ASM disk: [ OK ] [root@rac1 ~]# /etc/init.d/oracleasm createdisk DISK4 /dev/sde1 Marking disk "DISK4" as an ASM disk: [ OK ]
Vamos agora conferir, vamos listar os discos presentes no ASMLib:
[root@rac1 ~]# /etc/init.d/oracleasm listdisks
DISK1
DISK2
DISK3
DISK4
Na máquina 2 não é necessário criar os discos como foi feito na máquina 1. Veja como é feito na máquina 2:
[root@rac2 ~]# /etc/init.d/oracleasm scandisks Scanning the system for Oracle ASMLib disks: [ OK ] [root@rac2 ~]# /etc/init.d/oracleasm listdisks DISK1 DISK2 DISK3 DISK4
Discos OCFS2
O primeiro passo aqui, é formatarmos as partições /dev/sdf1 e /dev/sdf2 para OCFS2. Vamos realizar essa operação na máquina 1.
[root@rac1 ~]# mkfs.ocfs2 -L ocr_disk /dev/sdf1 mkfs.ocfs2 1.4.3 Cluster stack: classic o2cb Filesystem label=ocr_disk Block size=1024 (bits=10) Cluster size=4096 (bits=12) Volume size=518160384 (126504 clusters) (506016 blocks) 17 cluster groups (tail covers 3624 clusters, rest cover 7680 clusters) Journal size=16777216 Initial number of node slots: 2 Creating bitmaps: done Initializing superblock: done Writing system files: done Writing superblock: done Writing backup superblock: 0 block(s) Formatting Journals: done Formatting slot map: done Writing lost+found: done mkfs.ocfs2 successful [root@rac1 ~]# mkfs.ocfs2 -L vote_disk /dev/sdf2 mkfs.ocfs2 1.4.3 Cluster stack: classic o2cb Filesystem label=vote_disk Block size=2048 (bits=11) Cluster size=4096 (bits=12) Volume size=551092224 (134544 clusters) (269088 blocks) 9 cluster groups (tail covers 7568 clusters, rest cover 15872 clusters) Journal size=33554432 Initial number of node slots: 2 Creating bitmaps: done Initializing superblock: done Writing system files: done Writing superblock: done Writing backup superblock: 0 block(s) Formatting Journals: done Formatting slot map: done Writing lost+found: done mkfs.ocfs2 successful
Como esse será um ambiente OCFS2 clusterizado, em que a máquina 1 e a máquina 2 estará escrevendo e lendo o mesmo disco OCFS montado, será necessário configurarmos o OCFS2 para poder operar em modo cluster. Para isso crie o arquivo /etc/ocfs2/cluster.conf e adicione as seguintes linhas abaixos, como demonstro na máquina 1. O procedimento deve ser feito também na máquina 2.
[root@rac1 ~]# mkdir /etc/ocfs2
[root@rac1 ~]# vi /etc/ocfs2/cluster.conf
cluster:
node_count = 2
name = ocfs2
node:
ip_port = 7777
ip_address = 10.0.0.10
number = 1
name = rac1
cluster = ocfs2
node:
ip_port = 7777
ip_address = 10.0.0.20
number = 2
name = rac2
cluster = ocfs2
Feitos os passos acimas vamos as configurações finais do OCFS2. Aqui vou demonstrar somente da máquina rac1 porém deve ser feito também na máquina rac2.
[root@rac1 ~]# /etc/init.d/o2cb configure
Configuring the O2CB driver.
This will configure the on-boot properties of the O2CB driver.
The following questions will determine whether the driver is loaded on
boot. The current values will be shown in brackets ('[]'). Hitting
without typing an answer will keep that current value. Ctrl-C
will abort.
Load O2CB driver on boot (y/n) [y]: y
Cluster stack backing O2CB [o2cb]:
Cluster to start on boot (Enter "none" to clear) [ocfs2]:
Specify heartbeat dead threshold (>=7) [31]:
Specify network idle timeout in ms (>=5000) [30000]:
Specify network keepalive delay in ms (>=1000) [2000]:
Specify network reconnect delay in ms (>=2000) [2000]:
Writing O2CB configuration: OK
Starting O2CB cluster ocfs2: OK
[root@rac1 ~]# /etc/init.d/o2cb load
[root@rac1 ~]# /etc/init.d/o2cb online
Para que as partições OCR e VOTING sejam montadas automaticamente quando a máquina iniciar, coloque as duas linhas abaixo no final do arquivo /etc/fstab, isso nas máquinas 1 e 2.
LABEL=ocr_disk /ocr ocfs2 _netdev,datavolume,nointr 0 0 LABEL=vote_disk /voting ocfs2 _netdev,datavolume,nointr 0 0
Também crie os arquivos /ocr e /voting como mostrado a abaixo, lembrando que o procedimento deve ser feito também na máquina 2.
[root@rac1 ~]# mkdir /ocr [root@rac1 ~]# mkdir /voting
Após feitos os passos acima sem qualquer problema podemos montar as nossas duas partições de OCFS2 onde irá comportar o OCR e o VOTING.
[root@rac1 ~]# mount -a
Repita na máquina 2
[root@rac2 ~]# mount -a
Agora sim nossa partição está montada:
[root@rac1 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 14G 2.1G 11G 16% / tmpfs 252M 0 252M 0% /dev/shm /dev/sdf1 495M 35M 460M 7% /ocr /dev/sdf2 526M 73M 453M 14% /voting [root@rac1 ~]# mount |grep ocfs2 ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw) /dev/sdf1 on /ocr type ocfs2 (rw,_netdev,datavolume,nointr,heartbeat=local) /dev/sdf2 on /voting type ocfs2 (rw,_netdev,datavolume,nointr,heartbeat=local) [root@rac2 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 14G 2.1G 11G 16% / tmpfs 252M 0 252M 0% /dev/shm /dev/sdf1 495M 35M 460M 7% /ocr /dev/sdf2 526M 73M 453M 14% /voting [root@rac2 ~]# mount |grep ocfs2 ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw) /dev/sdf1 on /ocr type ocfs2 (rw,_netdev,datavolume,nointr,heartbeat=local) /dev/sdf2 on /voting type ocfs2 (rw,_netdev,datavolume,nointr,heartbeat=local)
Para finalizar vamos já definir as permissões necessárias para o OCR e o VOTING, aqui demonstro somente da máquina 1 porém deve ser executado também na máquina 2.
[root@rac1 ~]# chown oracle:oinstall /ocr [root@rac1 ~]# chown oracle:oinstall /voting [root@rac1 ~]# chmod 775 /ocr [root@rac1 ~]# chmod 775 /voting
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Esse tutorial ta muito bem feito.Esperando as proximas partes vlw
Obrigado por acompanhar Rodrigo !!
Forte abraço
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