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Grid error Resolution for oracle 11g rac installation

2025-03-30 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

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1. Shared disk not found on rac2 node using oracleasm

[root@rac2 ~]# oracleasm scandisks

Reloading disk partitions: done

Cleaning any stale ASM disks...

Scanning system for ASM disks...

[root@rac2 ~]#

Solution:

is because the partition did not take effect without using the partprobe command when formatting the disk at rac1 node

Executed in rac1:

[root@rac1 ~]# partprobe

Executed in rac2:

[root@rac2 ~]# /usr/sbin/oracleasm scandisks

Reloading disk partitions: done

Cleaning any stale ASM disks...

Scanning system for ASM disks...

Instantiating disk "VOL04"

Instantiating disk "VOL03"

Instantiating disk "VOL01"

Instantiating disk "VOL02"

[root@rac2 ~]# /usr/sbin/oracleasm listdisks

VOL01

VOL02

VOL03

VOL04

[root@rac2 ~]#

2. ORACLE_HOME and ORACLE_BASE directories are incorrect when installing grid cluster software

Error Message:

INS-32026]The Software Location specified should not be under Oracle base location.

CAUSE: Grid Infrastructure for a Cluster installation will assign root ownership to all parent directories of clusterware software location. As a result, all named directories in the software location path will acquire root ownership. This may create problems for subsequent installations into the same Oracle base.

ACTION: Specify software location outside of Oracle base

Solution:

ORACLE_BASE=/home/grid

ORACLE_HOME=/home/grid/11.2.0/grid

This directory is incorrect, because ORACLE_BASE and ORACLE_HOME directory to separate,ORACLE_BASE installed is a root authority, and ORACLE_HOME is not.

ORACLE_BASE=/home/grid/app

ORACLE_HOME=/home/grid/11.2.0/grid

3. An error occurred at the last step of installing grid because the scan IP was occupied.

Log:

INFO: All nodes have same "hosts" entry defined in file "/etc/nsswitch.conf"

INFO: Check for integrity of name service switch configuration file "/etc/nsswitch.conf" passed

INFO: ERROR:

INFO: PRVG-1101 : SCAN name "scan-cluster" failed to resolve

INFO: ERROR:

INFO: PRVF-4657 : Name resolution setup check for "scan-cluster" (IP address: 192.168.3.155) failed

INFO: ERROR:

INFO: PRVF-4664 : Found inconsistent name resolution entries for SCAN name "scan-cluster"

INFO: Verification of SCAN VIP and Listener setup failed

INFO: Checking OLR integrity...

INFO: Checking OLR config file...

INFO: OLR config file check successful

INFO: Checking OLR file attributes...

INFO: OLR file check successful

Solution:

(1). Skip directly does not affect

(2), modify the nslookup binary file of the system (http://www.ithao123.cn/content-1094742.html)

4.crs cannot share disk traffic

Error message:

CRS-0184: Cannot communicate with the CRS daemon.

Log information:

2016-09-16 09:20:45.508: [ CRSPE][1175734592]{1:19372:2} Reading (12) resources

2016-09-16 09:20:45.510: [ CRSPE][1175734592]{1:19372:2} Reading (15) types

2016-09-16 09:20:46.087: [ CRSPE][1175734592]{1:19372:2} Reading (2) server pools

2016-09-16 09:20:48.321: [ OCRRAW][1171532096]proprseterror: Error in accessing physical storage [26] Marking context invalid.

2016-09-16 09:20:48.321: [ OCRRAW][1171532096]proprdc: backend_ctx->prop_ctx_tag=PROPCTXT

2016-09-16 09:20:48.325: [ OCRRAW][1171532096]proprdc: backend_ctx->prop_valid=0

2016-09-16 09:20:48.325: [ OCRRAW][1171532096]proprdc: backend_ctx->prop_boot_mode=1

Solution:

This is a shared disk problem, I do share with iscsi, check the asm can only mount their own in the disk group, the shared disk will be replaced by the virtual machine comes with a disk sharing on the solution.

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