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To: Warner Losh <imp@bsdimp.com>
cc: mike tancsa <mike@sentex.net>, Matthew Grooms <mgrooms@shrew.net>, 
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Subject: Re: how to tell if TRIM is working
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On Thu, 2 May 2024, Warner Losh wrote:

> ZFS has a lot of knobs to control when / how / if this is done.

trim(8) works on device level.
If you use ZFS, you rather need zpool-trim(8), which works on pool level.
A.