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[ORACLE] SCAN IP 재설정 및 SCAN IP NAME(Interface명) 변경 본문

ORACLE/Administration

[ORACLE] SCAN IP 재설정 및 SCAN IP NAME(Interface명) 변경

DBCAMI 2023. 5. 3. 08:42

scan ip 재설정

rac-scan 10.0.5.192 , 192, 193 -> racdr-scan 10.0.5.194, 195, 196으로 변경

 

1. 기존 네트워크 정보 확인

$GI_HOME/bin/srvctl config scan

[rac1|root:/root]> $GI_HOME/bin/srvctl config scan
SCAN name: rac-scan, Network: 1
Subnet IPv4: 10.0.5.0/255.255.255.0/enp0s3, static
Subnet IPv6: 
SCAN 1 IPv4 VIP: 10.0.5.191
SCAN VIP is enabled.
SCAN 2 IPv4 VIP: 10.0.5.192
SCAN VIP is enabled.
SCAN 3 IPv4 VIP: 10.0.5.193
SCAN VIP is enabled.

2. 기존 scan resource 확인

crsctl stat res -t | grep -E -A1 "SCAN|scan"

[rac1|root:/root]> crsctl stat res -t | grep -E -A1 "SCAN|scan"
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       rac2                     STABLE
ora.LISTENER_SCAN2.lsnr
      1        ONLINE  ONLINE       rac1                     STABLE
ora.LISTENER_SCAN3.lsnr
      1        ONLINE  ONLINE       rac1                     STABLE
--
ora.scan1.vip
      1        ONLINE  ONLINE       rac2                     STABLE
ora.scan2.vip
      1        ONLINE  ONLINE       rac1                     STABLE
ora.scan3.vip
      1        ONLINE  ONLINE       rac1                     STABLE

3. 기존 scan resource 중지 

srvctl stop scan_listener
srvctl stop scan

# 확인
[rac1|root:/root]> crsctl stat res -t | grep -E -A1 "SCAN|scan"
ora.LISTENER_SCAN1.lsnr
      1        OFFLINE OFFLINE                               STABLE
ora.LISTENER_SCAN2.lsnr
      1        OFFLINE OFFLINE                               STABLE
ora.LISTENER_SCAN3.lsnr
      1        OFFLINE OFFLINE                               STABLE
--
ora.scan1.vip
      1        OFFLINE OFFLINE                               STABLE
ora.scan2.vip
      1        OFFLINE OFFLINE                               STABLE
ora.scan3.vip
      1        OFFLINE OFFLINE                               STABLE

4. scan ip 변경 - [root]

vi /etc/hosts

# scan
10.0.5.194      racdr-scan        racdr-scan.localdomain
10.0.5.195      racdr-scan        racdr-scan.localdomain
10.0.5.196      racdr-scan        racdr-scan.localdomain

---------------------------------------------------------------------------
srvctl modify scan -n rac-scan
srvctl config scan

[rac1|root:/root]> srvctl modify scan -n rac-scan
[rac1|root:/root]> srvctl config scan
SCAN name: rac-scan, Network: 1
Subnet IPv4: 10.0.5.0/255.255.255.0/enp0s3, static
Subnet IPv6: 
SCAN 1 IPv4 VIP: 10.0.5.194
SCAN VIP is enabled.
SCAN 2 IPv4 VIP: 10.0.5.195
SCAN VIP is enabled.
SCAN 3 IPv4 VIP: 10.0.5.196
SCAN VIP is enabled.

5. scan resource 시작 및 확인 

srvctl start scan
srvctl start scan_listener
crsctl stat res -t | grep -E -A1 "SCAN|scan"

[rac1|root:/root]> srvctl start scan
[rac2|root:/root]> srvctl start scan_listener
[rac2|root:/root]> crsctl stat res -t | grep -E -A1 "SCAN|scan"
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       rac2                     STABLE
ora.LISTENER_SCAN2.lsnr
      1        ONLINE  ONLINE       rac1                     STABLE
ora.LISTENER_SCAN3.lsnr
      1        ONLINE  ONLINE       rac1                     STABLE
--
ora.scan1.vip
      1        ONLINE  ONLINE       rac2                     STABLE
ora.scan2.vip
      1        ONLINE  ONLINE       rac1                     STABLE
ora.scan3.vip
      1        ONLINE  ONLINE       rac1                     STABLE

 

scan ip interface명 재설정 (scan ip 이름 재설정)

1. 현재 scan ip 설정 확인

$ srvctl config scan

SCAN name: rac-scan, Network: 1

Subnet IPv4: 10.0.5.0/255.255.255.0/enp0s3, static
Subnet IPv6: 
SCAN 1 IPv4 VIP: 10.0.5.194
SCAN VIP is enabled.
SCAN 2 IPv4 VIP: 10.0.5.195
SCAN VIP is enabled.
SCAN 3 IPv4 VIP: 10.0.5.196
SCAN VIP is enabled.

2. scan resource 중지

srvctl stop SCAN_LISTENER
srvctl stop scan

3. scan ip name 변경

srvctl modify scan -n racdr-scan.localdomain
srvctl modify scan_listener -u

4. scan resource 재시작 및 확인

srvctl start SCAN_LISTENER

[racdr2|root:/root]> srvctl config scan
SCAN name: racdr-scan.localdomain, Network: 1

 

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