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Using Storage Spaces Mirrored SSDs as L2 Cache?

Posted: Mon Nov 15, 2021 9:13 am
by Widdershins
I have a use case of which I'd be content to use a storage spaces Mirrored volume (SSDs) as the L2 cache if it would actually afford additional data integrity to the L2 cache. Any reason why it would be a terrible idea or perform awful?

I see when I go to create L2 storage that all of my mirrored Windows "Storage Spaces" volumes are indeed presented as possible volumes for use as L2 cache.

If it's a matter of hardware keeping up, the workstations I'd be doing it on have 20 cores, 256GB RAM, and the SSDs are U.2 just a step below Optane in IOPs.

Re: Using Storage Spaces Mirrored SSDs as L2 Cache?

Posted: Wed Nov 17, 2021 4:27 am
by Support
Disks created by Windows Storage Spaces are 4Kn drives. They are not supported to be L2 cache devices currently.

Re: Using Storage Spaces Mirrored SSDs as L2 Cache?

Posted: Mon Jan 03, 2022 12:54 pm
by Support
Supported since v4.2.0. Thanks.