Tuesday, 6 August 2019

RAC Examples


RAC Troubleshooting Examples: 












ACFS-9459: ADVM/ACFS is not supported on this OS version: '4.12.14-120-default SP5'

RAC - ORA-15025: could not open disk |WARNING: FAILED to load library: /opt/oracle/extapi/64/asm/orcl/1/libasm.so

RAC : [INS-13001] Environment does not meet minimum requirements.

RAC [INS-06003] Failed to setup passwordless SSH connectivity with the following node(s)

RAC _Patch _Failed_scenario : CRS-6706: Oracle Clusterware Release patch level ('966527961') does not match Software patch level ('2919480821'). Oracle Clusterware cannot be started.

RAC - CRS-2403: The Cluster Time Synchronization Service on host 02 is in observer mode.

RAC - Take TAR level binary backup of grid_home, db_home and orainventory_home

ACFS-9459: ADVM/ACFS is not supported on this OS version: '4.12.14-120-default SP5'

ACFS Error - ORA-15032: not all alterations performed || ORA-15477: cannot communicate with the volume driver 

Rlink (Doc ID 1536057.1) after Operating System Kernel Upgrade SLES 12 SP4 to 12 SP5 on 2 Node RAC 12.1.0.2.0

Operating System Kernel Upgrade SLES 12 SP4 to 12 SP5 on 2 Node RAC 12.1.0.2.0

12c RAC 2 node RMAN Backup Restoration to standalone database archivelog log recovery

Creation of 2 Node RAC to non RAC DR (12c)

[PRCF-2030 : Parallel transfer workload distribution error. 12c (12.1.0.2.0)

RAC : Add Failed cluster on 2nd node 12c R1 (12.1.0.2.0)

Check ssh date on both 2 node RAC Server

RAC - Restore RAC RMAN Backup linux to Single Instance Window database 12c

[INS-41112] Specified network interface doesnt maintain connectivity across cluster nodes.
RAC - Grid Installation steps error - VIP IP Address conflict INS-40912] : Virtual host name assigned to another system on the network.







(RAC -PATCHING) - Patch 24412235 - Oracle Grid Infrastructure Patch Set Update 12.1.0.2.161018 (Oct2016)

(RAC -PATCHING) - Patch 24412235 - Oracle Grid Infrastructure Patch Set Update 12.1.0.2.161018 (Oct2016)

RAC - GPNP Command check

RAC : Node connectivity check failed (PRVG-11138, PRVG-11352 - HAS a disk HB, but no network HB)

Device "/dev/sdb1" is already labeled for ASM disk "CRS1"

oracle 12.1.0.2.0 RAC file initrac2.ora

Remove oracle RAC database version 12c STEPS

Oracle RAC 12c grid De Install Steps ---

DNS configuration for RAC setup 12 R1

Starting up and Stopping Oracle RAC -Commands

Parameters that Require Identical Settings in All the Instances

srvctl modify database -db rac -policy AUTOMATIC | MANUAL | NORESTART

Reference data is not available for release "12.1" on Linux x86-64 SLES-12 (Doc ID 2127760.1)

Connection Load Balancing and TAF

Configure server-side Load Balancing Advisory for connect-time load balancing

Configure server-side Load Balancing Advisory for connect-time load balancing

Configure TAF Basic Configuration on Server-side

Drop ASM DISKGROUP and RAW Partitions and Re create partions

Create Database Service on RAC 12c R1 and Preferred RAC Service examples

Configure TAF Basic Configuration on Client-side

Configure TAF PRECONNECT configuration on server-side

Configure TAF PRECONNECT Configuration on Client-side

Application Continuity on a Java Application

Change listener , mgmtlsnr on RAC 12c R1 1521 to 1522

opatchauto apply -analyze 12c Grid

PSU OJVM Combo Patch Grid - RAC 12c R1 -- 28980120 PART1

PSU OJVM Combo Patch Grid - RAC 12c R1 -- 28980120 PART2

ACFS

Virtual IP Address commands

GPNP PROFILE Location

Add Oracle Cluster Registry (OCR) file commands

Check Master node on Grid 12c R1

RAC - WARNING: failed to online diskgroup resource ora.CRS.dg (unable to communicate with CRSD/OHASD

RAC - Rconfig convert single instance to 2 node RAC 12.1.0.2.0


ACFS stop and start 

./srvctl stop filesystem -d /dev/asm/acfs-167

./srvctl start filesystem -d /dev/asm/acfs-167
./srvctl status filesystem -d /dev/asm/acfs-167

./crsctl stat res -t

 

·                ASM Disk Location

 

grid@sgdcplm02:~> /usr/sbin/oracleasm listdisks

NEWCRS1

NEWCRS2

NEWCRS3

NEWDATA1

NEWFRA1

NEWFRA2

grid@sgdcplm02:~>

 

OCR and OLR Information

 

 

OLR Backup  location details :

 

grid@sgdcplm02:~> ocrconfig -local -showbackup

 

sgdcplm02     2021/05/03 09:07:18     /u01/app/12.1.0/grid/cdata/sgdcplm02/backup_20210503_090718.olr     2919480821

 

sgdcplm02     2019/09/26 16:15:10     /u01/app/12.1.0/grid/cdata/sgdcplm02/backup_20190926_161510.olr     2919480821

 

sgdcplm02     2019/09/22 16:46:59     /u01/app/12.1.0/grid/cdata/sgdcplm02/backup_20190922_164659.olr     2919480821

 

 

OLR Location :

 

/u01/app/12.1.0/grid/cdata

 

 

grid@sgdcplm02:~> cd /u01/app/12.1.0/grid/cdata/

grid@sgdcplm02:/u01/app/12.1.0/grid/cdata> ll

total 1376

drwxr-xr-x 2 grid oinstall         6 Sep 22  2019 localhost

drwxr-xr-x 2 grid oinstall       108 May  3  2021 sgdcplm02

-rw------- 1 root oinstall 503484416 Feb  4 07:20 sgdcplm02.olr

drwxrwxr-x 2 grid oinstall       198 Feb  4 07:17 smrrac

 

grid@sgdcplm01:~> cat /etc/oracle/olr.loc

 

olrconfig_loc=/u01/app/12.1.0/grid/cdata/sgdcplm01.olr

crs_home=/u01/app/12.1.0/grid

 

 

 

OCR Location :

 

grid@sgdcplm01:~> cat /etc/oracle/ocr.loc

ocrconfig_loc=+CRS/smrrac/OCRFILE/registry.255.1019666555

local_only=FALSE

grid@sgdcplm01:~>

 

 

OCR Backup Location :

 

 

grid@sgdcplm01:~> ocrconfig -showbackup

 

sgdcplm02     2021/12/08 03:18:51     /u01/app/12.1.0/grid/cdata/smrrac/backup00.ocr     2919480821

 

sgdcplm02     2021/12/07 23:18:50     /u01/app/12.1.0/grid/cdata/smrrac/backup01.ocr     2919480821

 

sgdcplm02     2021/12/07 19:18:50     /u01/app/12.1.0/grid/cdata/smrrac/backup02.ocr     2919480821

 

sgdcplm02     2021/12/06 15:18:44     /u01/app/12.1.0/grid/cdata/smrrac/day.ocr     2919480821

 

sgdcplm02     2021/11/28 11:17:59     /u01/app/12.1.0/grid/cdata/smrrac/week.ocr     2919480821

 

sgdcplm02     2019/09/27 08:11:08     /u01/app/12.1.0/grid/cdata/smrrac/backup_20190927_081108.ocr     2919480821

 

sgdcplm02     2019/09/26 15:42:54     /u01/app/12.1.0/grid/cdata/smrrac/backup_20190926_154254.ocr     2919480821

 


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