Monthly Archives: July 2013

Flex ASM 12c (12.1): be careful to “invisible” I/O !

The starting point of this blog post is a talk that I had with my twitter friend Martin Berger (@martinberx): He suggested me to test the Flex ASM behavior with different ASM disks path per machine. As the documentation states: Different … Continue reading

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ASM I/O Statistics Utility V2

Some days ago I wrote about a side effect of Flex ASM 12c (12.1) that I called “unpreferred read“. While I was writing this post I thought that the side effect demonstration will be even more clear if my asmiostat … Continue reading

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Flex ASM 12c (12.1) and Extended Rac: be careful to “unpreferred” read !

Update 2015/03/06: The following has been recognized as “unpublished BUG 17045279 – ASM_PREFERRED_READ DOES NOT WORK WITH FLEX ASM”, which is planned to be fixed in the next upcoming release. Update 2017/05/20: As of 12.2, preferred reads are site-aware (extract … Continue reading

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