Re: Prod 18c on ACFS
Date: Mon, 19 Nov 2018 16:36:11 +0000
Message-ID: <CAFGV9u=PaCgWw6UMGyOs5pVxBatQnf-Cu2Br-yzJLku9j6P1bA_at_mail.gmail.com>
On 19 Nov 2018 16:01, "Seth Miller" <sethmiller.sm_at_gmail.com> wrote:
On Mon, Nov 19, 2018 at 9:13 AM Ricard Martinez <ricard.martinez_at_gmail.com> wrote:
> Hi list,
>
> In our 12.1c RAC clusters we define 3 Diskgroups (data/fra/redo) on ASM
> that have up to 100 DB on them (noncdb). This been working fine for us, but
> with 18c we thought about using ACFS in order to be able to use snapshots,
> etc. If we keep the same DG structure we will end with 3 mountpoints for
> each DB, meaning we will have over 300 mountpoints on the nodes. Not a good
> call on my experience as cluster takes ages to stop/start that many acfs.
> We can use 1 for data for each DB and a global one for fra/redo, but not
> sure if acfs will be happy with 100 dB writing to only one volume. Of
> course there is also the I/O impact on going to ACFS, meaning we will lose
> around 3% based in our tests. Is anyway running a similar environment using
> ACFS? Even if not, but you have some insight will be appreciated.
>
> Regards
>
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