RAC安裝過(guò)程一切正常,關(guān)機(jī)重啟后,GI啟動(dòng)正常,實(shí)例沒(méi)起來(lái)。
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--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATA.dg
ONLINE ONLINE rac1
ONLINE ONLINE rac2
ora.FRA.dg
ONLINE ONLINE rac1
ONLINE ONLINE rac2
ora.LISTENER.lsnr
ONLINE ONLINE rac1
ONLINE ONLINE rac2
ora.OCR.dg
ONLINE ONLINE rac1
ONLINE ONLINE rac2
ora.asm
ONLINE ONLINE rac1 Started
ONLINE ONLINE rac2 Started
ora.gsd
OFFLINE OFFLINE rac1
OFFLINE OFFLINE rac2
ora.net1.network
ONLINE ONLINE rac1
ONLINE ONLINE rac2
ora.ons
ONLINE ONLINE rac1
ONLINE ONLINE rac2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE rac1
ora.LISTENER_SCAN2.lsnr
1 ONLINE ONLINE rac2
ora.LISTENER_SCAN3.lsnr
1 ONLINE ONLINE rac2
ora.cvu
1 ONLINE ONLINE rac2
ora.oc4j
1 ONLINE ONLINE rac2
ora.rac.db
1 ONLINE OFFLINE Instance Shutdown
2 ONLINE OFFLINE Instance Shutdown
ora.rac1.vip
1 ONLINE ONLINE rac1
ora.rac2.vip
1 ONLINE ONLINE rac2
ora.scan1.vip
1 ONLINE ONLINE rac1
ora.scan2.vip
1 ONLINE ONLINE rac2
ora.scan3.vip
1 ONLINE ONLINE rac2
馬上查數(shù)據(jù)庫(kù)日志,有如下發(fā)現(xiàn)
[oracle@rac1 trace]$ tail -200f alert_RAC1.log
USER (ospid: 3610): terminating the instance due to error 119
Instance terminated by USER, pid = 3610
強(qiáng)行啟動(dòng)行不行呢?
[root@rac1 ~]# srvctl start database -d RAC
PRCR-1079 : 無(wú)法啟動(dòng)資源 ora.rac.db
CRS-5017: The resource action "ora.rac.db start" encountered the following error:
ORA-00119: invalid specification for system parameter REMOTE_LISTENER
ORA-00132: syntax error or unresolved network name 'rac-scan.us.oracle.com:1521'
. For details refer to "(:CLSN00107:)" in "/u01/app/11.2.0/grid/log/rac2/agent/crsd/oraagent_oracle/oraagent_oracle.log".
CRS-5017: The resource action "ora.rac.db start" encountered the following error:
ORA-00119: invalid specification for system parameter REMOTE_LISTENER
ORA-00132: syntax error or unresolved network name 'rac-scan.us.oracle.com:1521'
. For details refer to "(:CLSN00107:)" in "/u01/app/11.2.0/grid/log/rac1/agent/crsd/oraagent_oracle/oraagent_oracle.log".
CRS-2674: Start of 'ora.rac.db' on 'rac2' failed
CRS-2674: Start of 'ora.rac.db' on 'rac1' failed
CRS-2632: There are no more servers to try to place resource 'ora.rac.db' on that would satisfy its placement policy
注意到報(bào)錯(cuò)信息中提到ORA-00132: syntax error or unresolved network name 'rac-scan.us.oracle.com:1521',是不是呢?
反正和網(wǎng)絡(luò)有關(guān)先tnsping一下
[grid@rac1 ~]$ tnsping rac2
TNS Ping Utility for Linux: Version 11.2.0.4.0 - Production on 09-DEC-2015 00:56:12
Copyright (c) 1997, 2013, Oracle. All rights reserved.
Used parameter files:
/u01/app/11.2.0/grid/network/admin/sqlnet.ora
Used EZCONNECT adapter to resolve the alias
Attempting to contact (DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=))(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.56.12)(PORT=1521)))
OK (0 msec)
看來(lái)到監(jiān)聽(tīng)是沒(méi)問(wèn)題的
不放心,再看一眼tnsnames.ora
[root@rac1 ~]# cat /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# tnsnames.ora Network Configuration File: /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.
RAC =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac-scan.us.oracle.com)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = RAC)
)
)
[root@rac1 ~]# ping rac-scan.us.oracle.com
ping: unknown host rac-scan.us.oracle.com
這就有問(wèn)題了,我在DNS中配置的域名怎么會(huì)不可達(dá)呢?安裝時(shí)一切功能都正常的呀!
[root@rac1 ~]# nslookup rac-scan.us.oracle.com
Server: 192.168.1.1
Address: 192.168.1.1#53
** server can't find rac-scan.us.oracle.com: NXDOMAIN
更有問(wèn)題了,DNS服務(wù)器怎么成192.168.1.1了呢?
依次對(duì)照所有的DNS配置文件,發(fā)現(xiàn)了一個(gè)異常的
[root@rac1 ~]# cat /etc/resolv.conf
; generated by /sbin/dhclient-script
nameserver 192.168.1.1
nameserver 192.168.0.1
怎么回到了操作系統(tǒng)最初始的配置了呢?這就要提到另外一個(gè)配置文件
[root@rac2 network-scripts]# cat ifcfg-eth0
DEVICE=eth0
TYPE=Ethernet
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
NAME="System eth0"
USERCTL=no
注意到其中的PEERDNS=yes這一項(xiàng)了嗎?
在5.0時(shí)代DNS服務(wù)器寫(xiě)在 /etc/resolv.conf 文件中,但到了6.0時(shí)代DNS可以寫(xiě)在/etc/resolv.conf但是此時(shí)需要在 /etc/sysconfig/network-scripts/ifcfg-eth0 文件中添加 PEERDNS=no 配置,不然每次重啟網(wǎng)卡就會(huì)重寫(xiě)/etc/resolv.conf文件的內(nèi)容。
http://blog.chinaunix.net/uid-26495963-id-3230810.html
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