【文章內(nèi)容簡(jiǎn)介】 6005076309ffc2b7000000000000290c alias lun12 } multipath { wwid 36005076309ffc2b7000000000000290d alias lun13 } multipath { wwid 36005076309ffc2b7000000000000290e alias lun14 } multipath { wwid 36005076309ffc2b7000000000000290f alias lun15 }}指定了LUN1LUN15的alias，我們可以直接使用這些alias的設(shè)備名來訪問。WWWID號(hào)的查看：/sbin/scsi_id g u s /block/sda也可以使用：[root@node1 ~] multipath ll 進(jìn)行查看） service oracleasm createdisk VOL1 /dev/mapper/lun1p1Marking disk VOL1 as an ASM disk: [FAILED]執(zhí)行：/etc/[root@raode1 ] /etc/Writing Oracle ASM library driver configuration: doneInitializing the Oracle ASMLib driver: [ OK ]Scanning the system for Oracle ASMLib disks: [ OK ][root@raode1 ] service oracleasm createdisk VOL1 /dev/sdc1Marking disk VOL1 as an ASM disk: [ OK ][root@raode1 ] service oracleasm createdisk VOL2 /dev/sdd1Marking disk VOL2 as an ASM disk: [ OK ][root@raode1 ] service oracleasm createdisk VOL3 /dev/sdb1Marking disk VOL3 as an ASM disk: [ OK ][root@raode1 ] service oracleasm scandisksScanning the system for Oracle ASMLib disks: [ OK ][root@raode1 ] service oracleasm listdisks(兩個(gè)節(jié)點(diǎn)都驗(yàn)證一下看是否有asm卷)VOL1VOL2VOL3service oracleasm scandisks 刷新service oracleasm listdisks 列出如有報(bào)錯(cuò)，可以查看ASM的日志：tail f /var/log/oracleasm重新啟動(dòng)系統(tǒng),確認(rèn)ASMLib已經(jīng)可以自動(dòng)加載lsmod |grep oracleasmdmesg |grep oracleasm. 配置互信注意：（oracle,grid兩個(gè)用戶都要做互信的配置）在節(jié)點(diǎn)1執(zhí)行su oracle $mkdir ~/.ssh $chmod 755 ~/.ssh $sshkeygen t rsa $sshkeygen t dsa 如有提示，直接按回車，保持默認(rèn)。在節(jié)點(diǎn)2執(zhí)行su oracle $mkdir ~/.ssh $chmod 755 ~/.ssh $sshkeygen t rsa $sshkeygen t dsa 如有提示，直接按回車，保持默認(rèn)每個(gè)節(jié)點(diǎn)上運(yùn)行cat ~/.ssh/ ~/.ssh/authorized_keyscat ~/.ssh/ ~/.ssh/authorized_keys在節(jié)點(diǎn)1上運(yùn)行scp /oracle/product/oracle/.ssh/authorized_keys node4:/oracle/product/oracle/authorized_keys_rac1在節(jié)點(diǎn)2上運(yùn)行scp /oracle/product/oracle/.ssh/authorized_keys node4:/oracle/product/oracle/authorized_keys_rac2在節(jié)點(diǎn)3上運(yùn)行scp /oracle/product/oracle/.ssh/authorized_keys node4:/oracle/product/oracle/authorized_keys_rac3 在節(jié)點(diǎn)4上運(yùn)行（最末一個(gè)節(jié)點(diǎn)）cat /oracle/product/oracle/authorized_keys_rac1 /oracle/product/oracle/.ssh/authorized_keyscat /oracle/product/oracle/authorized_keys_rac2 /oracle/product/oracle/.ssh/authorized_keyscat /oracle/product/oracle/authorized_keys_rac3 /oracle/product/oracle/.ssh/authorized_keys 在節(jié)點(diǎn)4上運(yùn)行（最末一個(gè)節(jié)點(diǎn)）scp /oracle/product/oracle/.ssh/authorized_keys node1:/oracle/product/oracle/.ssh/scp /oracle/product/oracle/.ssh/authorized_keys node2:/oracle/product/oracle/.ssh/scp /oracle/product/oracle/.ssh/authorized_keys node3:/oracle/product/oracle/.ssh/ chmod 644 ~/.ssh/authorized_keys驗(yàn)證互信ssh node1ssh node2ssh racp1ssh racp2做以下操作互信配置完成，在新會(huì)話也無需再重新配置一次互信建立用戶等效性(只在當(dāng)前會(huì)話中有效，在新會(huì)話中進(jìn)行數(shù)據(jù)庫(kù)軟件安裝時(shí)，需要重新執(zhí)行)在第一個(gè)主機(jī)上，以 oracle 用戶身份登錄exec /usr/bin/sshagent $SHELL/usr/bin/sshadd在第二個(gè)主機(jī)上，以 oracle 用戶身份登錄exec /usr/bin/sshagent $SHELL/usr/bin/sshadd 關(guān)掉ntp服務(wù)注意：oracle 11g rac準(zhǔn)備環(huán)境驗(yàn)證的時(shí)候如果ntp服務(wù)器開著會(huì)驗(yàn)證不通過的，關(guān)閉ntp服務(wù)，用oracle 11g rac自帶的時(shí)鐘同步服務(wù)來同步各個(gè)節(jié)點(diǎn)的時(shí)間。需要做如下操作[root@rac1 ] /etc/ntpd is stopped[root@rac1 ] chkconfig ntpd off[root@rac1 ] mv /etc/ /etc/ 刪除ntp服務(wù)配置文件安裝OracleGridInfrastructure安裝cvuqdisk包并驗(yàn)證在兩個(gè)Oracle RAC 節(jié)點(diǎn)上安裝操作系統(tǒng)程序包 cvuqdisk。如果沒有cvuqdisk，集群驗(yàn)證實(shí)用程序就無法發(fā)現(xiàn)共享磁盤 安裝cvuqdisk包（在所有節(jié)點(diǎn)上執(zhí)行）cvuqdisk RPM在目錄下.（使用Red Hat Linux安裝ORACLE_RAC時(shí)必須安裝cvuqdisk包，否則CVU不能發(fā)現(xiàn)共享磁盤, 并當(dāng)運(yùn)行CVU時(shí)收到錯(cuò)誤信息Package cvuqdisk not installed） 設(shè)置環(huán)境變量export CVUQDISK_GRP=oinstall[root@node1 rpm] rpm Uvh Preparing... [100%] 1:cvuqdisk [100%] 安裝創(chuàng)建系統(tǒng)容易忽略的包(所有節(jié)點(diǎn))以下這兩個(gè)包安裝系統(tǒng)的時(shí)候容易忽略，在此安裝一次rpm Uvh rpm Uvh 運(yùn)行CVU 使用程序驗(yàn)證./ stage pre crsinst n node1,node2,node3,node4 fixup verbose必須都要passedtask ，可以忽略，但是確保scan—ip可用3 安裝OracleGridInfrastructureexport DISPLAY=:[grid@node1 grid]$ ./runInstallerAsm 密碼 ：Asm1107a高級(jí)安裝還可能出現(xiàn)找不到lun的問題，到/etc/sysconfig/oracleasm這個(gè)文件將 對(duì)應(yīng)的地方改成以下即可ORACLEASM_SCANORDER=multipath sd ORACLEASM_SCANEXCLUDE: Matching patterns to exclude disks f