Last time I stapled l2arc onto a hard drive zfs it was still super slow to do th... | Hacker News

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		Dylan16807 7 months ago \| parent \| context \| favorite \| on: Fast and cheap bulk storage: using LVM to cache HD... Last time I stapled l2arc onto a hard drive zfs it was still super slow to do things like ls large directories and the l2arc never filled more than a couple gigabytes. Maybe it works better now?

Filligree 7 months ago [–]

It’s gotten smarter, and among other things no longer erases the cache on reboot.

But for that specific case you should use a metadata vdev. Just make sure it’s mirrored!

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