Re: Is filesystemio_options relevant when the database is on ASM ?
From: Kevin Jernigan <kevin.jernigan_at_oracle.com>
Date: Thu, 16 Oct 2014 08:46:18 -0700
Message-ID: <543FE84A.2020607_at_oracle.com>
As of Oracle Database 12c, dNFS works with both NFSv3 and NFSv4...KJ
Date: Thu, 16 Oct 2014 08:46:18 -0700
Message-ID: <543FE84A.2020607_at_oracle.com>
As of Oracle Database 12c, dNFS works with both NFSv3 and NFSv4...KJ
-- Kevin Jernigan Senior Director Product Management Advanced Compression, Hybrid Columnar Compression (HCC), Database File System (DBFS), SecureFiles, Database Smart Flash Cache, Total Recall, Database Resource Manager (DBRM), Direct NFS Client (dNFS), Continuous Query Notification (CQN), Index Organized Tables (IOT), Information Lifecycle Management (ILM) +1-650-607-0392 (o) +1-415-710-8828 (m) On 10/16/14, 8:37 AM, Hameed, Amir wrote:Received on Thu Oct 16 2014 - 17:46:18 CEST
>
> I don’t believe DNFS is certified to work with NFSv4.
>
> *From:*oracle-l-bounce_at_freelists.org
> [mailto:oracle-l-bounce_at_freelists.org] *On Behalf Of *Hans Forbrich
> *Sent:* Thursday, October 16, 2014 11:30 AM
> *To:* oracle-l_at_freelists.org
> *Subject:* Re: Is filesystemio_options relevant when the database is
> on ASM ?
>
> On 16/10/2014 3:35 AM, Frits Hoogland wrote:
>
> When using NFS underneath ASM, I've witnessed filesystemio_options
> being honoured by the database, which means it needs setting it to
> 'setall' for the combination AIO+DIO. Which makes sense, because
> you need to create a file on a (NFS) filesystem to be used as ASM
> disk device.
>
> Then it becomes important to know which NFS?
>
> I believe DNFS behaves different than standard NFSv3 which may be
> different again from NFSv4
>
> /Hans
>
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