From: Ming Zhang <mingz@ele.uri.edu>
To: Eric Van Hensbergen <ericvh@gmail.com>
Cc: device-mapper development <dm-devel@redhat.com>
Subject: Re: Device Mapper as a cache for SAN?
Date: Mon, 10 Apr 2006 20:50:22 -0400 [thread overview]
Message-ID: <1144716622.8591.200.camel@localhost.localdomain> (raw)
In-Reply-To: <a4e6962a0604101747g489fb334hb26787ad8ff3b933@mail.gmail.com>
On Mon, 2006-04-10 at 19:47 -0500, Eric Van Hensbergen wrote:
> On 4/10/06, Ming Zhang <mingz@ele.uri.edu> wrote:
> >
> > yes, "page cache" has its meaning in linux.
> >
>
> Sorry - my bad, I should have known better.
>
> >
> > as i know, no stable implementation for this.
> >
>
> Okay - I'll take a shot at it - should be a good intro to
> device-mapper as a framework. If anyone else is going down this path,
> please shoot me an email so I don't end up duplicating effort.
good luck. a disk cache for remote storage system is not always useful,
considering u already have GB RAM here at file system level. of course,
depends on your workload pattern and remote access cost, u might get
some marginal benefits.
>
> -eric
next prev parent reply other threads:[~2006-04-11 0:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-10 17:58 Device Mapper as a cache for SAN? Eric Van Hensbergen
2006-04-10 18:45 ` Ed Wilts
2006-04-10 19:46 ` Eric Van Hensbergen
2006-04-10 21:25 ` Ming Zhang
2006-04-11 0:28 ` Eric Van Hensbergen
2006-04-11 0:35 ` Ming Zhang
2006-04-11 0:47 ` Eric Van Hensbergen
2006-04-11 0:50 ` Ming Zhang [this message]
2006-04-11 8:55 ` Jure Pečar
2006-04-11 12:57 ` Ming Zhang
2006-04-10 22:22 ` Artur Bergman
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