{"id":14716,"date":"2020-09-11T15:36:54","date_gmt":"2020-09-11T13:36:54","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/"},"modified":"2023-06-15T16:35:57","modified_gmt":"2023-06-15T14:35:57","slug":"oracle-20c-data-guard-standardization-of-client-side-broker-files","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/","title":{"rendered":"Oracle 20c Data Guard : Standardization of Client-Side Broker Files"},"content":{"rendered":"

By Mouhamadou Diaw<\/strong><\/p>\n

In an Oracle 20c Data Guard environment with a broker configured we can have following files called client-side broker files
\n-The observer configuration file : observer.ora
\n-The observer log file
\n-The observer runtime datafile: fsfo.dat
\n-The fast-start failover callout scripts (new feature in Oracle 20c)<\/p>\n

Before Oracle 20c, there was no default location for these files. Starting with Oracle 20c, now we can define a default location for all these files by setting an environment variable called DG_ADMIN. This variable should point to a directory. Once defined, this directory will contain subdirectories that will store the client-side broker files.<\/p>\n

The directory which defines the $DG_ADMIN directory must be created with required permissions.<\/p>\n

If the directory does not exist or the has wrong permissions, the broker will store the fsfo.dat file and the observer.ora file in the current directory and the log file will be redirected in the standard output.<\/p>\n

The default directory will contain following subdirectories<\/p>\n

admin directory : contains the observer.ora
\nconfig_ConfigurationSimpleName : contains related to the observer and callout configuration
\nconfig_ConfigurationSimpleName\/log : contains the observer logfile
\nconfig_ConfigurationSimpleName\/dat : contains the observer runtime data file
\nconfig_ConfigurationSimpleName\/callout : contains files related to the callout configuration<\/p>\n

In the documentation<\/a> we can find following<\/p>\n

On Linux\/Unix, the directory specified by the DG_ADMIN environment variable must have read, write, and execute permissions for the directory owner only. The subdirectories that DGMGRL creates under this directory will also have the same permissions.
\nOn Windows, the directory specified by the DG_ADMIN environment variable must have exclusive permissions wherein it can be accessed only by the current operating system user who is running DGMGRL The subdirectories created under this directory by DGMGRL will also have the same permissions.
\n<\/em><\/p>\n

Let\u2019s do some practical demonstrations for this new feature. Below the configuration I am using<\/p>\n

192.168.2.21 oraadserver : the primary database
\n192.168.2.22 oraadserver2 : the standby database
\n192.168.2.23 oraadserver3 : the observer<\/p>\n

The Data Guard and the broker are already configured<\/p>\n

\n
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\n
\n
DGMGRL> show configuration<\/code><\/div>\n
<\/div>\n
Configuration - prod20<\/code><\/div>\n
<\/div>\n
\u00a0\u00a0<\/code>Protection Mode: MaxPerformance<\/code><\/div>\n
\u00a0\u00a0<\/code>Members:<\/code><\/div>\n
\u00a0\u00a0<\/code>PROD20_SITE1 - <\/code>Primary<\/code> database<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>PROD20_SITE2 - Physical standby <\/code>database<\/code><\/div>\n
<\/div>\n
Fast-Start Failover:\u00a0 Disabled<\/code><\/div>\n
<\/div>\n
Configuration Status:<\/code><\/div>\n
SUCCESS\u00a0\u00a0 (status updated 39 seconds ago)<\/code><\/div>\n
<\/div>\n
DGMGRL><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Now let\u2019s connect to the oraadserver3 and let\u2019s start the observer. Note that we do not yet define any $DG_ADMIN variable<\/p>\n

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oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>pwd<\/code><\/div>\n
\/home\/oracle<\/code><\/div>\n
oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>echo<\/code> $DG_ADMIN<\/code><\/div>\n
<\/div>\n
oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>nohup<\/code> dgmgrl -silent sys\/*******@prod20_site1 <\/code>\"start observer\"<\/code> &<\/code><\/div>\n
[1] 8202<\/code><\/div>\n
oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>nohup<\/code>: ignoring input and appending output to \u2018<\/code>nohup<\/code>.out\u2019<\/code><\/div>\n
<\/div>\n
oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)]<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

As no DG_ADMIN variable is defined, the client-side broker files are stored in the current directory<\/p>\n

\n
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oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>ls<\/code> -ltra fsfo.dat observer_oraadserver3.log<\/code><\/div>\n
-rw-r--r--. 1 oracle oinstall 8336 Sep\u00a0 4 13:29 fsfo.dat<\/code><\/div>\n
-rw-r-----. 1 oracle oinstall\u00a0 760 Sep\u00a0 4 13:30 observer_oraadserver3.log<\/code><\/div>\n
oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)]<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

The command show observer will confirm that the observer is actually started on the oraadserver3<\/p>\n

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\n
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DGMGRL> show observer<\/code><\/div>\n
<\/div>\n
Configuration - prod20<\/code><\/div>\n
<\/div>\n
\u00a0\u00a0<\/code>Fast-Start Failover:\u00a0\u00a0\u00a0\u00a0 DISABLED<\/code><\/div>\n
<\/div>\n
Observer <\/code>\"oraadserver3\"<\/code><\/div>\n
<\/div>\n
\u00a0\u00a0<\/code>Host <\/code>Name<\/code>:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 oraadserver3<\/code><\/div>\n
\u00a0\u00a0<\/code>Last<\/code> Ping <\/code>to<\/code> Primary<\/code>:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5 seconds ago<\/code><\/div>\n
\u00a0\u00a0<\/code>Log File:<\/code><\/div>\n
\u00a0\u00a0<\/code>State File:<\/code><\/div>\n
<\/div>\n
DGMGRL><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

And in the log file we have this<\/p>\n

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oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>less<\/code> observer_oraadserver3.log<\/code><\/div>\n
Observer <\/code>'oraadserver3'<\/code> started<\/code><\/div>\n
[W000 2020-09-04T13:29:35.168+02:00] Observer trace level is <\/code>set<\/code> to USER<\/code><\/div>\n
[W000 2020-09-04T13:29:35.172+02:00] Fast-Start Failover is disabled.<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Ok now let\u2019s stop the observer and let\u2019s define the variable DG_ADMIN. The fsfo.dat files and the observer log file are also removed.<\/p>\n

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oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>echo<\/code> $DG_ADMIN\/<\/code><\/div>\n
\/u01\/app\/oracle\/admin\/prod20\/broker_loc\/<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

With the following permissions<\/p>\n

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oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>ls<\/code> -ld <\/code>\/u01\/app\/oracle\/admin\/prod20\/broker_loc\/<\/code><\/div>\n
drwxr-xr-x. 2 oracle oinstall 6 Sep\u00a0 4 13:39 <\/code>\/u01\/app\/oracle\/admin\/prod20\/broker_loc\/<\/code><\/div>\n
oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)]<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

And let\u2019s start again the observer<\/p>\n

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oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>nohup<\/code> dgmgrl -silent sys\/***@prod20_site1 <\/code>\"start observer\"<\/code> &<\/code><\/div>\n
[1] 9136<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

We can following errors in the nohup file as the permissions on folders are wrong<\/p>\n

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oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>nohup<\/code>: ignoring input and appending output to \u2018<\/code>nohup<\/code>.out\u2019<\/code><\/div>\n
<\/div>\n
[1]+\u00a0 Exit 255\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/code>nohup<\/code> dgmgrl -silent sys\/********@prod20_site1 <\/code>\"start observer\"<\/code><\/div>\n
oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)] <\/code>cat<\/code> nohup<\/code>.out<\/code><\/div>\n
DGM-17389: The directory or <\/code>file<\/code> $DG_ADMIN\/ should not be accessible by any user other than the owner.<\/code><\/div>\n
Connected to <\/code>\"prod20_site1\"<\/code><\/div>\n
DGM-17390: The directory or <\/code>file<\/code> $DG_ADMIN<\/code>\/config_prod20\/<\/code> cannot be accessed.<\/code><\/div>\n
Failed.<\/code><\/div>\n
oracle@oraadserver3:<\/code>\/home\/oracle\/<\/code> [prod20 (CDB$ROOT)]<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Now let\u2019s change the permissions as specified in the message<\/p>\n

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[oracle@oraadserver3 ~]$ <\/code>chmod<\/code> -R\u00a0 700 $DG_ADMIN\/<\/code><\/div>\n
[oracle@oraadserver3 ~]$ <\/code>ls<\/code> -ld $DG_ADMIN\/<\/code><\/div>\n
drwx------. 2 oracle oinstall 6 Sep\u00a0 4 13:39 <\/code>\/u01\/app\/oracle\/admin\/prod20\/broker_loc\/<\/code><\/div>\n
[oracle@oraadserver3 ~]$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

And let\u2019s start the observer. Then we can see following in the nohup file<\/p>\n

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Succeeded <\/code>in<\/code> opening the observer file <\/code>\"\/u01\/app\/oracle\/admin\/prod20\/broker_loc\/config_prod20\/dat\/fsfo.dat\"<\/code>.<\/code><\/div>\n
[W000 2020-09-04T13:50:47.465+02:00] Observer could <\/code>not<\/code> read<\/code> the contents <\/code>of<\/code> the observer file.<\/code><\/div>\n
[W000 2020-09-04T13:50:47.492+02:00] FSFO target standby <\/code>is<\/code><\/div>\n
Observer <\/code>'oraadserver3'<\/code> started<\/code><\/div>\n
The observer log file <\/code>is<\/code> '\/u01\/app\/oracle\/admin\/prod20\/broker_loc\/config_prod20\/log\/observer_oraadserver3.log'<\/code>.<\/code><\/div>\n
oracle@oraadserver3:\/home\/oracle\/ [prod20 (CDB$ROOT)]<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

indeed, the observer is now started<\/p>\n

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\n
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DGMGRL> show observer<\/code><\/div>\n
<\/div>\n
Configuration - prod20<\/code><\/div>\n
<\/div>\n
\u00a0\u00a0<\/code>Fast-Start Failover:\u00a0\u00a0\u00a0\u00a0 DISABLED<\/code><\/div>\n
<\/div>\n
Observer <\/code>\"oraadserver3\"<\/code><\/div>\n
<\/div>\n
\u00a0\u00a0<\/code>Host <\/code>Name<\/code>:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 oraadserver3<\/code><\/div>\n
\u00a0\u00a0<\/code>Last<\/code> Ping <\/code>to<\/code> Primary<\/code>:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 6 seconds ago<\/code><\/div>\n
\u00a0\u00a0<\/code>Log File:<\/code><\/div>\n
\u00a0\u00a0<\/code>State File:<\/code><\/div>\n
<\/div>\n
DGMGRL><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

In the $DG_ADMIN directory we can see new subdirectories created by the broker<\/p>\n

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\n
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[oracle@oraadserver3 ~]$ <\/code>cd<\/code> $DG_ADMIN\/<\/code><\/div>\n
[oracle@oraadserver3 broker_loc]$ <\/code>pwd<\/code><\/div>\n
\/u01\/app\/oracle\/admin\/prod20\/broker_loc<\/code><\/div>\n
[oracle@oraadserver3 broker_loc]$ <\/code>ls<\/code><\/div>\n
admin\u00a0 config_prod20<\/code><\/div>\n
[oracle@oraadserver3 broker_loc]$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

We remark that the config_ConfigurationSimpleName is config_prod20 as the ConfigurationSimpleName is actually prod20 in the broker configuration (by default the name of the configuration)<\/p>\n

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\n
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DGMGRL> show configuration verbose<\/code><\/div>\n
<\/div>\n
Configuration - prod20<\/code><\/div>\n
<\/div>\n
\u00a0\u00a0<\/code>Protection Mode: MaxPerformance<\/code><\/div>\n
\u00a0\u00a0<\/code>Members:<\/code><\/div>\n
\u00a0\u00a0<\/code>PROD20_SITE1 - <\/code>Primary<\/code> database<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>PROD20_SITE2 - Physical standby <\/code>database<\/code><\/div>\n
<\/div>\n
\u00a0\u00a0<\/code>Properties:<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>FastStartFailoverThreshold\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'30'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>OperationTimeout\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'30'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>TraceLevel\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'USER'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>FastStartFailoverLagLimit\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'30'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>CommunicationTimeout\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'180'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>ObserverReconnect\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'0'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>FastStartFailoverAutoReinstate\u00a0 = <\/code>'TRUE'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>FastStartFailoverPmyShutdown\u00a0\u00a0\u00a0 = <\/code>'TRUE'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>BystandersFollowRoleChange\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'ALL'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>ObserverOverride\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'FALSE'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>ExternalDestination1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>''<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>ExternalDestination2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>''<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>PrimaryLostWriteAction\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'CONTINUE'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>ConfigurationWideServiceName\u00a0\u00a0\u00a0 = <\/code>'prod20_CFG'<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>ConfigurationSimpleName\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = <\/code>'prod20'<\/code><\/div>\n
<\/div>\n
Fast-Start Failover:\u00a0 Disabled<\/code><\/div>\n
<\/div>\n
Configuration Status:<\/code><\/div>\n
SUCCESS<\/code><\/div>\n
<\/div>\n
DGMGRL><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

And in the config_prod20 directory we have following subdirectorieds<\/p>\n

\n
\n\n\n\n
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18<\/div>\n
19<\/div>\n
20<\/div>\n<\/td>\n
\n
\n
[oracle@oraadserver3 config_prod20]$ <\/code>pwd<\/code><\/div>\n
\/u01\/app\/oracle\/admin\/prod20\/broker_loc\/config_prod20<\/code><\/div>\n
[oracle@oraadserver3 config_prod20]$ <\/code>ls<\/code> -lR<\/code><\/div>\n
.:<\/code><\/div>\n
total 0<\/code><\/div>\n
drwx------. 2 oracle oinstall\u00a0 6 Sep\u00a0 4 13:50 callout<\/code><\/div>\n
drwx------. 2 oracle oinstall 21 Sep\u00a0 4 13:50 dat<\/code><\/div>\n
drwx------. 2 oracle oinstall 38 Sep\u00a0 4 13:50 log<\/code><\/div>\n
<\/div>\n
.<\/code>\/callout<\/code>:<\/code><\/div>\n
total 0<\/code><\/div>\n
<\/div>\n
.<\/code>\/dat<\/code>:<\/code><\/div>\n
total 12<\/code><\/div>\n
-rw-r--r--. 1 oracle oinstall 8336 Sep\u00a0 4 13:50 fsfo.dat<\/code><\/div>\n
<\/div>\n
.<\/code>\/log<\/code>:<\/code><\/div>\n
total 32<\/code><\/div>\n
-rw-r-----. 1 oracle oinstall 29776 Sep\u00a0 4 14:53 observer_oraadserver3.log<\/code><\/div>\n
[oracle@oraadserver3 config_prod20]$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

As said before the observer log is now in the config_prod20\/log directoty and the fsfo.dat is in the config_prod20\/dat<\/p>\n","protected":false},"excerpt":{"rendered":"

By Mouhamadou Diaw In an Oracle 20c Data Guard environment with a broker configured we can have following files called client-side broker files -The observer configuration file : observer.ora -The observer log file -The observer runtime datafile: fsfo.dat -The fast-start failover callout scripts (new feature in Oracle 20c) Before Oracle 20c, there was no default […]<\/p>\n","protected":false},"author":27,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[229,198,59],"tags":[2109,221,2110,2111,458],"type_dbi":[],"class_list":["post-14716","post","type-post","status-publish","format-standard","hentry","category-database-administration-monitoring","category-database-management","category-oracle","tag-client-side-broker-files","tag-data-guard","tag-fsfo-dat","tag-observer-ora","tag-oracle-20c"],"acf":[],"yoast_head":"\nOracle 20c Data Guard : Standardization of Client-Side Broker Files - dbi Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle 20c Data Guard : Standardization of Client-Side Broker Files\" \/>\n<meta property=\"og:description\" content=\"By Mouhamadou Diaw In an Oracle 20c Data Guard environment with a broker configured we can have following files called client-side broker files -The observer configuration file : observer.ora -The observer log file -The observer runtime datafile: fsfo.dat -The fast-start failover callout scripts (new feature in Oracle 20c) Before Oracle 20c, there was no default […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/\" \/>\n<meta property=\"og:site_name\" content=\"dbi Blog\" \/>\n<meta property=\"article:published_time\" content=\"2020-09-11T13:36:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-15T14:35:57+00:00\" \/>\n<meta name=\"author\" content=\"Oracle Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Oracle Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/\"},\"author\":{\"name\":\"Oracle Team\",\"@id\":\"https:\/\/www.dbi-services.com\/blog\/#\/schema\/person\/66ab87129f2d357f09971bc7936a77ee\"},\"headline\":\"Oracle 20c Data Guard : Standardization of Client-Side Broker Files\",\"datePublished\":\"2020-09-11T13:36:54+00:00\",\"dateModified\":\"2023-06-15T14:35:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/\"},\"wordCount\":564,\"commentCount\":0,\"keywords\":[\"client-side broker files\",\"Data Guard\",\"fsfo.dat\",\"observer-ora\",\"Oracle 20c\"],\"articleSection\":[\"Database Administration & Monitoring\",\"Database management\",\"Oracle\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/\",\"url\":\"https:\/\/www.dbi-services.com\/blog\/oracle-20c-data-guard-standardization-of-client-side-broker-files\/\",\"name\":\"Oracle 20c Data Guard : Standardization of Client-Side Broker Files - 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