修改RACBDB SCAN 配置步驟如下：

1. 修改racb1/racb2主機/etc/hosts配置檔案

刪除10.39.229.219 raca-scan

增加 10.39.229.229 racb-scan

2. 修改SCAN，並UPDATE SCAN Listener中的配置

root@racb1:/>srvctl modify scan -n racb-scan

root@racb1:/>srvctl modify scan_listener –u

root@racb1:/>srvctl config scan

SCAN name: racb-scan, Network: 1/10.39.229.0/255.255.255.0/en17

SCAN VIP name: scan1, IP: /racb-scan/10.39.229.229

3. 啟動SCAN 資源

root@racb1:/>crsctl start res ora.scan1.vip

CRS-2672: Attempting to start 'ora.scan1.vip' on 'racb2'

CRS-2676: Start of 'ora.scan1.vip' on 'racb2' succeeded

root@racb1:/>

root@racb1:/>crsctl stat res -t

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

NAME TARGET STATE SERVER STATE_DETAILS

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

Local Resources

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

ora.LISTENER.lsnr

ONLINE ONLINE racb1

ONLINE ONLINE racb2

ora.asm

OFFLINE OFFLINE racb1

OFFLINE OFFLINE racb2

ora.gsd

OFFLINE OFFLINE racb1

OFFLINE OFFLINE racb2

ora.net1.network

ONLINE ONLINE racb1

ONLINE ONLINE racb2

ora.net2.network

ONLINE ONLINE racb1

ONLINE ONLINE racb2

ora.ons

ONLINE ONLINE racb1

ONLINE ONLINE racb2

ora.registry.acfs

OFFLINE OFFLINE racb1

OFFLINE OFFLINE racb2

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

Cluster Resources

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

ora.LISTENER_SCAN1.lsnr

1 OFFLINE OFFLINE

ora.racadb.db

1 ONLINE ONLINE racb1 Open

2 ONLINE ONLINE racb2 Open

ora.racb1.vip

1 ONLINE ONLINE racb1

ora.racb2.vip

1 ONLINE ONLINE racb2

ora.cvu

1 ONLINE ONLINE racb1

ora.oc4j

1 ONLINE ONLINE racb1

ora.scan1.vip

1 ONLINE ONLINE racb2

啟動成功。

4. 修改remote_listener配置，並重啟資料庫

SQL> alter system set remote_listener='racb-scan:1521' scope=spfile;

SQL>shutdown immediate

$srvctl start database -d racadb

[@more@]

修改scan ip

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