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Exadata file system [message #610048]

Mon, 17 March 2014 03:42

reym21
Messages: 241
Registered: February 2010
Location: Philippines

Senior Member

Gurus,

Good day!

We're new in administering Oracle EXADATA server and since we're not yet familiar yet to it's file system,
I want to ask if we can utilize its storage just like a Linux file system (mount points) in order to store
a large number of text files (.csv).

Thank you in advanced.

Regards,

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Re: Exadata file system [message #610054 is a reply to message #610048]

Mon, 17 March 2014 03:56

John Watson
Messages: 8976
Registered: January 2010
Location: Global Village

Senior Member

Depending on how you configured your Database Machine, you should have a disk group (people usually call it DBFS_DG) used as an Oracle Database File System mounted on your compute nodes. Your implementation consultants should have gone through this with you. If they didn't set this as needed, it can be done later but would require some re-configuration.

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Re: Exadata file system [message #610124 is a reply to message #610054]

Mon, 17 March 2014 19:37

reym21
Messages: 241
Registered: February 2010
Location: Philippines

Senior Member

Sir,

Thanks for this.

But is it possible to use a Linux file system (ordinary mountpoint) as a workaround? Since we would temporarily used its storage to save (via ftp) a volume of third-party flat files while coordination with our implementation consultants is on-going.

Regards,

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Re: Exadata file system [message #610167 is a reply to message #610124]

Tue, 18 March 2014 04:29

John Watson
Messages: 8976
Registered: January 2010
Location: Global Village

Senior Member

This is exactly what the DBFS is for: a large file system, based on Exadata storage, that you mount on your compute nodes. If your consultants don't understand this, you might want to bring in someone else.
I am surprised though, DBFS is a standard part of most Exadata implementations. It is covered on the Exadata Implementation Specialist exams.

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Re: Exadata file system [message #610259 is a reply to message #610167]

Tue, 18 March 2014 19:51

reym21
Messages: 241
Registered: February 2010
Location: Philippines

Senior Member

@John Watson

Yes, Sir even us (DBAs) were very surprised that those implementation consultants coordinated only to our System Administrators,
provided them an overview of Exadata and the needed documentations. They even created an initial DBFS.

Sorry for this, but again I would like to know if we can create a traditional Linux file system via "mkdir" command on the server
for the sake that the third-party files will be temporarily stored there. As we are discussing support with our implementation consultants.

Thank you very much.

Regards,

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