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Re: [dm-devel] discard/trim support in device mapper?



Hi Mike,

Mike Snitzer wrote:
> We are aware of the benefits associated with issuing discards to SSDs.
> Discard support for DM will be a focused priority for me starting
> mid-April.

Did you find some time to look into this?

If there is something to test, I can offer my help, having an array of 4
trim capable SSDs that is used for experiments only.

> Until then I hope to establish a baseline understanding on the scope of
> the project.  In particular I intend to get back with Martin Petersen to
> understand how his work is going on making "write same and discard
> requests first class citizens so they can be split and merged like
> regular write requests".

How is Martin's project progressing?


Andreas


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