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A comment on Big Leap for Hard Drive Capacities: 32 TB HAMR Drives Due Soon, 40TB on Horizon. Parent comment

Re:Big Leap for Hard Drive Capacities: 32 TB HAMR Drives Due... by the8472 on Sunday June 11, 2023 @03:00AM (#36278929)
Having frequently used file metadata on SSDs while the cold parts are on HDDs would be noticeable even at home; the moment you start browsing the directory tree.
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Re:Big Leap for Hard Drive Capacities: 32 TB HAMR Drives Due... by seized on Sunday June 11, 2023 @06:21AM (#36279953)
ZFS on Linux has exactly this, you can specify specific devices to hold metadata. Caveats apply, you need to mirror those devices for redundancy.

https://openzfs.github.io/openzfs-docs/man/7/zpoolconcepts.7...

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