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Rman Multistreamed backup

Created: 04 Feb 2013 | 1 comment

Netbackup 7.5.0.4

Oracle 10g

 

I have taken rman backup with 4 channels.

During the restoration also I have allocated 4 channels.

4 restore jobs got started but only one is reading the data from tape and others are showing "media in use"

 

As per me, Tape is a sequential device, hence only one job can access the media at a time. Correct me if i am wrong.

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The below link is stating how to run restore jobs parallely. Is it applicable for multiplexed RMAN backup or multistreamed RMAN backup.

http://www.symantec.com/business/support/index?page=content&id=TECH58499&actp=search&viewlocale=en_US&searchid=1358935598656

I tried the workaround given in the link but it failed for multiplexed backup.

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Also I want to take the RMAN backup with multistream enabled, but when I select Policy type as ORACLE "ALoow multi stream" option is getting disabled. How to enable multi streamed RMAN backup?

 

Need solution asap.

Thanks in advance.

 

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