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Date: Mon, 16 Oct 2023 09:53:19 +0000 (UTC)
From: Florian Schmid <[email protected]>
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Subject: Question about flash pool maximum SSD size and local tiering
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Thread-Topic: Question about flash pool maximum SSD size and local tiering
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 (dormouse.teaparty.net [178.18.123.145]);
 Mon, 16 Oct 2023 10:53:24 +0100 (BST)

Hi,

I have checked NetApp HWU for a FAS 8300 and system cache limits.

Ok, so far, max flash-pool is 72 TB, which is a way more than I want to use, but I haven't seen usable SSDs greater than 3.8 TB.

Is that really true, that I can't use a 7.6 TB or 15.3 TB SSD for flash-pool?

It would be nice, if someone has here a deeper understanding than I have about this and can give me here some clarifications.

May I ask a second question?
Is flash-pool still the way to go for speeding up NL-SAS aggregates?
I had a look on fabric-pool tiering, but it seems like, that this only works to S3 storage, which we don't have.
We have plenty of NL-SAS storage and also of SSDs and it would be great to have a tiering between them or at least use them for caching.

Best regards,
Florian

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