From: Kent Overstreet <kent.overstreet@gmail.com>
To: Martin McClure <martin.mcclure@gemtalksystems.com>
Cc: linux-bcache@vger.kernel.org
Subject: Re: bcachefs with cache device and backing device
Date: Thu, 12 May 2016 20:36:03 -0800 [thread overview]
Message-ID: <20160513043603.GA1407@kmo-pixel> (raw)
In-Reply-To: <573532E2.1040201@gemtalksystems.com>
On Thu, May 12, 2016 at 06:50:26PM -0700, Martin McClure wrote:
> I'm trying out bcachefs for the first time. I can follow the
> instructions (format a cache device, mount it type bcache) and it works.
>
> 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)
next prev parent reply other threads:[~2016-05-13 4:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-13 1:50 bcachefs with cache device and backing device Martin McClure
2016-05-13 4:36 ` Kent Overstreet [this message]
2016-05-13 4:37 ` Martin McClure
2016-05-18 2:46 ` Martin McClure
2016-05-18 4:01 ` Kent Overstreet
2016-05-18 5:06 ` Christopher James Halse Rogers
2016-05-18 5:41 ` Kent Overstreet
2016-05-20 0:41 ` Martin McClure
2016-05-20 0:44 ` Christopher James Halse Rogers
2016-05-20 1:18 ` Martin McClure
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