topic Re: Do FlashCache/FlashPool have cache acceleration capabilities for S3 in ONTAP? in ONTAP Discussions

Do FlashCache/FlashPool have cache acceleration capabilities for S3 in ONTAP?

chenhui — Sun, 04 Jan 2026 07:18:51 GMT

Hi Experts，

Good day！

This question occurred to me all of a sudden, and I haven’t been able to find a clear answer, so I’m reaching out for everyone’s help. For the S3 protocol in ONTAP — whether it is Multiprotocol NAS/S3 or Native S3 — can FlashCache/FlashPool still deliver performance acceleration? For example, does this apply to objects, metadata, tags, and so on?

Thanks a lot.

Chenhui

Re: Do FlashCache/FlashPool have cache acceleration capabilities for S3 in ONTAP?

elementx — Tue, 06 Jan 2026 02:17:25 GMT

I think it does as FlexGroup(s) work the same way on hybrid FAS, but I'll leave it to others to confirm.

The main thing I wanted to say is the actual effect of such caching should be carefully checked. If it's a simple RFP requirement that's one thing, if it's supposed to make S3 work X times faster, that's another.