Shulou(Shulou.com)06/03 Report--

A friend sets up DG. There is no error in the parameters, but real-time synchronization cannot be carried out.

Master Library Log:

Destination LOG_ARCHIVE_DEST_2 is SYNCHRONIZED

Destination LOG_ARCHIVE_DEST_2 no longer supports SYNCHRONIZATION

Thread 1 advanced to log sequence 1099 (LGWR switch)

Current log# 1 seq# 1099 mem# 0: / data/oradata/sch/redo01.log

Sat Dec 26 11:20:20 2015

Archived Log entry 146 added for thread 1 sequence 1098 ID 0xad22dc32 dest 1:

Prepare the library log:

Media Recovery Waiting for thread 1 sequence 1099 (in transit)

Sat Dec 26 11:39:42 2015

Archived Log entry 49 added for thread 1 sequence 1099 rlc 880215476 ID 0xad22dc32 dest 2:

RFS [3]: No standby redo logfiles available for thread 1

RFS [3]: Opened log for thread 1 sequence 1100 dbid-1390233806 branch 880215476

Sat Dec 26 11:39:43 2015

Media Recovery Log / u01/archivelog/arch_880215476_1_1099.arc

Media Recovery Waiting for thread 1 sequence 1100 (in transit)

Later, it was found that the log size of the main library was 512m, while his backup database was set to 500m.

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