Re: NSF 4.1

  • From: Tim Gorman <tim.evdbt@xxxxxxxxx>
  • To: Jeff Chirco <backseatdba@xxxxxxxxx>
  • Date: Tue, 24 Aug 2021 18:10:49 -0700

I haven't yet had a chance to try using nconnect and dNFS together, but it is planned to do so.

They aren't really the same idea, I believe.  Direct NFS is connectivity from each Oracle server process directly to the NFS server, bypassing the kernel-based NFS client.  Nconnect appears to be multiple network connections per process.  So I expect nconnect and dNFS to have a positive complementary and multiplicative effect.  If you get there first, please share?



On 8/24/2021 8:24 AM, Jeff Chirco wrote:

Thanks Tim. I actually found your blog already, it was good information.  About /nconnect/. I have no heard of this yet but is it the same concept as Direct NFS?  Can they be used together?

On Mon, Aug 23, 2021 at 9:24 PM Tim Gorman <tim.evdbt@xxxxxxxxx <mailto:tim.evdbt@xxxxxxxxx>> wrote:

    I blogged about the fun I had getting dNFS working with NFS 4.1
    HERE <http://evdbt.com/oracle-dnfs-on-nfs-v4-1/>.

    Another good thing about RHEL8/OEL8 is the new NFS option
    nconnect;  good blog post HERE
    
<https://medium.com/@emilypotyraj/use-nconnect-to-effortlessly-increase-nfs-performance-4ceb46c64089>.



    On 8/23/2021 2:23 PM, Jeff Chirco wrote:
    Does anyone have any good or bad experiences with NFS version
    4.1?  I am currently running version 3 but we are getting new
    hardware which will have Oracle Linux 8 running 19c databases
    running on direct NFS.
    I read about 4.1 requiring oranfstab to be present.  Any other
    issues anyone run into?

    Thanks,
    Jeff


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