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Date: Tue, 04 Jan 2011 16:59:16 +0000
From: "Bryn M. Reeves" <bmr@redhat.com>
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Subject: Re: [linux-lvm] How to use lvm with tmpfs
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On 12/23/2010 01:44 PM, S U B A wrote:
> Hi members,
>                   Can tempfs be used with lvm, so that i can create a snapshot 
> of the filesystem mounted on the tmpfs. My actual goal is to create tmpfs and 
> sync all the files in that tmpfs to a remote storage. There can be file writes 
> during the sync ups, so i want to sync the partition without losing any info. 
> Creating an lvm partition can help in this scenario or should try a different 
> method?
> Thanks for your help,
> Suresh

Use a ramdisk or loopback devices.

Regards,
Bryn.