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SAN i/o in RAC [message #573987]

Fri, 04 January 2013 13:42

saikat891
Messages: 11
Registered: April 2012
Location: MUMBAI

Junior Member

Hi,

We have 11.2.0.3 RAC on Oracle Virtual Box,OEL 5.8. Storage is ASM on EMC SAN.

Even when the database is not connected to application and thus open but idle and none is working on it, and all other virtual machines are powered off, we are still getting a continuous i/o in SAN.Since I am new to RAC setup I need to know the few things...

1.Is it normal behaviour?
2.If yes, what is the reason of this i/o? Is it due to continuous ping on voting disk?..write in OCR? automatic backup of OCR?

Please find the attached screenshot.If anyone kindly explain the reason, I will be grateful.

Regards,
Saikat

Attachment: SAN-I0 Issue.png
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[Message index]

		SAN i/o in RAC By: saikat891 on Fri, 04 January 2013 13:42
		Re: SAN i/o in RAC By: BlackSwan on Fri, 04 January 2013 14:31
		Re: SAN i/o in RAC By: saikat891 on Fri, 04 January 2013 21:18
		Re: SAN i/o in RAC By: John Watson on Fri, 04 January 2013 14:34
		Re: SAN i/o in RAC By: saikat891 on Fri, 04 January 2013 21:09
		Re: SAN i/o in RAC By: John Watson on Sat, 05 January 2013 01:32
		Re: SAN i/o in RAC By: saikat891 on Sun, 06 January 2013 02:27
		Re: SAN i/o in RAC By: alan.kendall@nfl.com on Wed, 13 March 2013 18:08

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