From: thornber@redhat.com
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] How does LVM-Cache work?
Date: Wed, 27 Feb 2013 10:04:46 +0000 [thread overview]
Message-ID: <20130227100446.GB2459@raspberrypi> (raw)
In-Reply-To: <CAEZ+n-hGcgRPvc+Rx1co3G_Bd-n8mC+5LUhdkSqiz9PRdtt27Q@mail.gmail.com>
On Tue, Feb 26, 2013 at 03:44:43PM -0300, Leo Antonio wrote:
> Hello, everyone.
>
> I'm willing to do research about second-level cache using SSDs and I think
> that the best way to do this is using LVM/Device Mapper, because other
> implementations are based on FUSE, virtualization layers, and others.
>
> What I'm trying to do is to develop a subsystem that will put hot
> blocks/PEs on SSDs-Cache, as well as group related blocks/PEs on cache
> automatically. Not simply put on SSD the most used files or directories.
>
> The problem is that I could not find any documentation about DM or LVM to
> help my research and development.
>
> Could you point me to some documentation or what's the best way to
> accomplish this?
See my dm-cache target in this branch of my tree:
https://github.com/jthornber/linux-2.6/tree/thin-dev
https://github.com/jthornber/linux-2.6/blob/thin-dev/drivers/md/dm-cache-target.c
There's still a lot of work to do on the policy plug-ins, so if you
like to get involved that would be great.
- Joe
next prev parent reply other threads:[~2013-02-27 10:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-26 18:44 [linux-lvm] How does LVM-Cache work? Leo Antonio
2013-02-27 9:46 ` Zdenek Kabelac
2013-02-27 10:04 ` thornber [this message]
2013-02-27 18:30 ` Leo Antonio
2013-02-28 8:42 ` Greg Zapp
2013-02-28 9:58 ` thornber
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