From mboxrd@z Thu Jan  1 00:00:00 1970
From: Martin McClure <martin.mcclure@gemtalksystems.com>
Subject: Re: bcachefs with cache device and backing device
Date: Thu, 12 May 2016 21:37:01 -0700
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 <20160513043603.GA1407@kmo-pixel>
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To: Kent Overstreet <kent.overstreet@gmail.com>
Cc: linux-bcache@vger.kernel.org

On 05/12/2016 09:36 PM, Kent Overstreet wrote:
>> What I'd like to do, however, is to have an SSD cache device, and a
>> rotating-disk backing device, as a bcachefs filesystem. Is this
>> something that bcachefs can do at present? If so, what's the basic
>> procedure?
>
> Yeah - tiering replaces cache/backing devices
>
> IIRC,
>
> bcache format --tier 0 -C <SSD> --tier 1 -C <spinning rust>
>
> (the -C is going to go away at some point)

Thanks! I'll try that out tomorrow.

-Martin