Re: Extended RAC with NFS Quorum

From: thierry gascard <tgascard_at_gmail.com>
Date: Wed, 29 Apr 2020 10:54:04 +0200
Message-ID: <CAJrMwWRk9WP0_S9mE9zBVhNhvhb4CKs-MD-0nsNUFLg99VfcRQ_at_mail.gmail.com>



Hello
This just a quorum disk for stretched cluster on nfs ( data on SAN) I do not need dnfs for the qourum disk not in Oracle recommendation. Why nobody use soft option with nfs even if oracle recommand it ? Does anyone put a quorum disk for each data diskgroup as recommand by oracle for stretched rac cluster ?
Thank you

Le jeu. 23 avr. 2020 à 18:49, thierry gascard <tgascard_at_gmail.com> a écrit :

> Hello Oracle DBAs,
> We have some problems with DM multipath ( mixed SCSI and ISCSI devices) =>
> oracle instance can fall.
> So we plan to use NFS for the quorum disks.
> I have some questions :
> 1) many people use hard options for NFS, but oracle recommended soft
> options => not a big fan of hard option, why people not follow it ?
> 2) oracle recommend now one quorum disk for each diskgroup for steched
> cluster, but i did not see people use it
> 3) 18C => oracle do not support NFS for Voting and OCR , What does it mean
> ?
> 4) Does someone try to use exetend cluster configuration with RAC in
> production ?
> If people have recommendations about NFS usage with Rac extended clusters,
> i will appreciate.
>
> Thank you
>
>

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Received on Wed Apr 29 2020 - 10:54:04 CEST

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