Shulou(Shulou.com)05/31 Report--

This article mainly introduces the Rose HA dual computer hot standby problems how to do, the article is very detailed, has a certain reference value, interested friends must read it!

Problems and solutions of HA dual-computer hot backup:

1. The size of the flashback recovery area is set too small (connect the H disk directly to the flashback area C disk) and report the error when the archive is full.

Set the size of the flashback area to 80g and resolve the error.

two。 Archive and backup files are placed in the flashback area

Put the archive and backup under the maximum G disk and reset the rman backup script

3.rman and sqlplus login exception problem, rman can not log in to report the following error, sqlplus must log in under the bin directory.

Because the client is installed on the database server, which interferes with the environment variables, uninstall the client to solve the problem

RMAN-00571: =

RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =

RMAN-00571: =

RMAN-00554: internal recovery Manager package initialization failed

RMAN-04005: there is an error in the target database:

ORA-12560: TNS: protocol adapter error

4. The main database is jammed. Mount the storage to the standby database for recovery.

Due to the system jam, the operating system must be restarted, resulting in the recovery of redo log error found, using clear to solve the problem of unarchived redo log

Installation method of database in 5.Rose HA dual-computer hot standby

Change the local E drive letter to the shared storage letter G, install the database, and change the drive letter back to E disk after modifying the parameters.

The parameter file in 6.HA is placed on the local disk, and the control file needs to be placed in the letter G of the shared storage. And only one path of the control file can be left in the parameter file.

The above is all the contents of the article "what to do if there is something wrong with the dual-computer hot backup of Rose HA". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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