Re: Extended RAC with NFS Quorum

1. Agree about DNFS - get the bug fixes (sorry recommended patches for DNFS)
2. Stretched cluster is a solution in search of a problem IMO
3. Although 19c also de-supported RH6 based O/S and there's no great O/S upgrade path for existing clusters a.k.a YMMV.
4. See 2 :)

On Tue, Apr 28, 2020 at 3:41 PM Connor McDonald <mcdonald.connor_at_gmail.com> wrote:

> 1) Can't comment, but worked on a customer which was a NetApp shop. Went
> with the recommendations they provided in several of their whitepapers etc.
> Go with Oracle direct NFS anway
> 2) ...
> 3) That was a temporary thing - support re-introduced in 19c, and you
> should go to 19c anyway for support reasons
> 4) Yes. Same customer (NetApp 'stretch' cluster running RAC). Ran well,
> but judicious use of services to control application workload partitioning
>
> hth
>
>
> On Fri, Apr 24, 2020 at 12:52 AM thierry gascard <tgascard_at_gmail.com>
> wrote:
>
>> 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
>>
>>
>
> --
> Connor McDonald
> ===========================
> blog: connormcdonald.wordpress.com
> twitter: _at_connor_mc_d
>
> "If you are not living on the edge, you are taking up too much room."
> - Jayne Howard
>
> *Fine print: Views expressed here are my own and not necessarily that of
> my employer*
>

-- 
Niall Litchfield
Oracle DBA
http://www.orawin.info

--
http://www.freelists.org/webpage/oracle-l