I hit this error message during taking rman hot backup on one of my databases.

Complete Error message is:
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ch1 channel at 21/12/2020 10:30:41
ORA-19809: limit exceeded for recovery files
ORA-19804: cannot reclaim 5487325853476 bytes disk space from 37418520 limit

Actullay error is already say what wrongs. Its related to usage or limit of FRA area.

Here is the solution steps:

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I face with that error on 19c version on Windows operating system. Alertlog has below error messages:

ORA-27300: OS system dependent operation:write failed with status: 5
ORA-27301: OS failure message: Access is denied.
ORA-27302: failure occurred at: sskgmsmr_11

After investigate issue I have found below explanations

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If you have RAC system you need to verify your information is correct on configuration files.

To can see it run below command as oracle user

[oracle@Node1~]$ emca -config dbcontrol db -repos create -cluster

As you can see we need to change it

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I faced with that issue on while I recreated repo on 11.2.0.4 RAC system.

My step is:

[oracle@node1~]$ emca -config dbcontrol db -repos create -cluster <<<<< Enter the related information

After related steps done the login to the database Console works fine. The Target is shown as UP but the ‘host cpu’ section in the shows:

The host cpu chart could not be generated.
1. Error: Invalid BoundDataSource: no class, method or dataSource provided.
2. check the log file for details

– The ‘Active Sessions’ section shows

The Active Sessions chart could not be generated.
1. Error: Invalid BoundDataSource: no class, method or dataSource provided.
2. check the log file for details

Even I try drop and recreate repos but still hitting same issue
emca -deconfig dbcontrol db -repos create -cluster  <<< for drop
emca -deconfig dbcontrol db -repos drop -cluster    <<< for recreate
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I face with this error on Oracle19c database. My user has sysdba and also dba grant with create any trigger privilege.

Complete message is:

conn myuser/mypass@DB_SID

SQL> create or replace trigger xxxx
begin
null;
end;
create or replace trigger xxxx
*
ERROR at line 1:
ORA-01031: insufficient privileges

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I faced with that error during 19c standalone installation on linux.

In Grid Installation step I get below error:

INFO: [Nov 17, 2020 12:05:21 PM] Skipping line: Configuring HA resource failed.
INFO: [Nov 17, 2020 12:05:21 PM] PRCR-1079 : Failed to start resource ora.asm
INFO: [Nov 17, 2020 12:05:21 PM] Skipping line: PRCR-1079 : Failed to start resource ora.asm
INFO: [Nov 17, 2020 12:05:21 PM] CRS-2674: Start of 'ora.LISTENER.lsnr' on 'veridatait' failed
INFO: [Nov 17, 2020 12:05:21 PM] Skipping line: CRS-2674: Start of 'ora.LISTENER.lsnr' on 'nodename' failed
INFO: [Nov 17, 2020 12:05:21 PM] CRS-5017: The resource action "ora.asm start" encountered the following error:
INFO: [Nov 17, 2020 12:05:21 PM] Skipping line: CRS-5017: The resource action "ora.asm start" encountered the following error:
INFO: [Nov 17, 2020 12:05:21 PM] ORA-00845: MEMORY_TARGET not supported on this system
INFO: [Nov 17, 2020 12:05:21 PM] Skipping line: ORA-00845: MEMORY_TARGET not supported on this system
INFO: [Nov 17, 2020 12:05:21 PM] . For details refer to "(:CLSN00107:)" in "/u01/app/oracle/diag/crs/nodename/crs/trace/ohasd_oraagent_oracle.trc".
INFO: [Nov 17, 2020 12:05:21 PM] Skipping line: . For details refer to "(:CLSN00107:)" in "/u01/app/oracle/diag/crs/nodename/crs/trace/ohasd_oraagent_oracle.trc".
INFO: [Nov 17, 2020 12:05:21 PM] Skipping line:
INFO: [Nov 17, 2020 12:05:21 PM] CRS-2674: Start of 'ora.asm' on 'veridatait' failed
INFO: [Nov 17, 2020 12:05:21 PM] Skipping line: CRS-2674: Start of 'ora.asm' on 'nodename' failed
INFO: [Nov 17, 2020 12:05:21 PM] Skipping line:
INFO: [Nov 17, 2020 12:05:21 PM] Completed Plugin named: asmca
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On linux yum is very useful to install package on operating system.

You may hit this error while try to use yum. So here is the solutions steps but first let us see exact error message:

[root@veridata yum.repos.d]# yum install httpd
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was
14: curl#6 – “Could not resolve host: mirrorlist.centos.org; Unknown error”

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I face with that error while try to set SQL Plan on one of my sql.

This is the one of he published bug.

Bug 10313110  SQL Advisor raises an ORA-13786 when Trying to Implement a Recommended Parallel Profile

If I try to use below syntax its also through error message such as:

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The “rescan-scsi-bus.sh” can be used to scan new LUNs in a CentOS/RHEL machine.

When ‘rescan-scsi-bus.sh -i’ is run, script execute as well a LIP_RESET (ISSUE_LIP) which may cause a disruption in I/O on the server and even cause an outage in case of a system running on heavy load.

Redhat says this type of scan can be distributive,since it can cause delays while I/O operation timeout and remove devices unexpectedly from OS.

So perform this scan when really you want to scan the disks and LUNS.

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In this post I want to share my pdf file which covers step by step Disk preparation for Grid Installation on VMware Workstation

You may need to add and format related disks for ASM setup

Please click download button to can download step by step document.