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Tuesday, April 19, 2022

Standby RFS & MRP Process

Standby RFS & MRP Process

select process, status,sequence#,block#,blocks, delay_mins from v$managed_standby;


PROCESS STATUS SEQUENCE# BLOCK# BLOCKS DELAY_MINS

--------- ------------ ---------- ---------- ---------- ----------

ARCH CONNECTED 0 0 0 0

ARCH CLOSING 23760 813056 1925 0

ARCH CLOSING 23713 567296 1119 0

ARCH CLOSING 23759 958464 656 0

ARCH CLOSING 23715 1 116 0

RFS IDLE 0 0 0 0

RFS IDLE 0 0 0 0

RFS IDLE 23761 200510 1 0

MRP0 APPLYING_LOG 23761 200510 1024000 0

RFS IDLE 0 0 0 0

10 rows selected.


Here RFS process is idle its mean there is no archive log generation on primary.



SQL> select thread#, process,status,sequence#, block#,blocks from v$managed_standby where process='RFS';


THREAD# PROCESS STATUS SEQUENCE# BLOCK# BLOCKS

---------- --------- ------------ ---------- ---------- ----------

0 RFS IDLE 0 0 0

0 RFS IDLE 0 0 0

1 RFS IDLE 23761 204221 1

0 RFS IDLE 0 0 0



SQL> select process,pid,status from v$managed_standby;


PROCESS PID STATUS

--------- ------------------------ ------------

ARCH 9352 CONNECTED

ARCH 9354 CLOSING

ARCH 9356 CLOSING

ARCH 9358 CLOSING

ARCH 9360 CLOSING

RFS 1468 IDLE

RFS 1462 IDLE

RFS 1464 IDLE

MRP0 9376 APPLYING_LOG

RFS 1466 IDLE

10 rows selected.


SQL> !ps -ef|grep 9376

oraprod 7178 7176 0 12:09:19 pts/1 0:00 grep 9376

oraprod 9376 1 0 Mar 06 ? 1:30 ora_mrp0_QASKDR

oraprod 7176 7149 0 12:09:19 pts/1 0:00 /usr/bin/bash -c ps -ef|grep 9376


SQL> !ps -ef|grep 1466

oraprod 7181 7179 0 12:09:49 pts/1 0:00 grep 1466

oraprod 1466 1 0 Apr 15 ? 0:00 oracleQASKDR (LOCAL=NO)

oraprod 7179 7149 0 12:09:49 pts/1 0:00 /usr/bin/bash -c ps -ef|grep 1466

SQL>

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