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RMAN command [message #447218] Fri, 12 March 2010 08:08 Go to next message
rajeshkanna.dba
Messages: 16
Registered: April 2009
Location: Bangalore
Junior Member
Hi dba

What is main difference between rman validate and rman crosscheck command.

For example

1. validate archivelog all
2. crosscheck archivelog all

Please give me one real-time example which situation we can use this two command.
Re: RMAN command [message #447220 is a reply to message #447218] Fri, 12 March 2010 08:14 Go to previous messageGo to next message
Michel Cadot
Messages: 63818
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
What about reading the doc?

validate
Quote:
Purpose

To examine a backup set and report whether it can be restored. RMAN scans all of the backup pieces in the specified backup sets and looks at the checksums to verify that the contents are intact so that the backup can be successfully restored if necessary.


crosscheck
Quote:
Purpose

To verify the status of backups and copies recorded in the RMAN repository against media such as disk or tape. The CROSSCHECK command only processes files created on the same device type as the channels running the crosscheck.

Regards
Michel

[Updated on: Fri, 12 March 2010 08:14]

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Re: RMAN command [message #447318 is a reply to message #447220] Sat, 13 March 2010 08:47 Go to previous message
rajeshkanna.dba
Messages: 16
Registered: April 2009
Location: Bangalore
Junior Member
Thank you, I was faced one of the interview question how to check whether archive log is good or bad (corrupted archive log).I am understand now we can use validate archivelog all command.
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