On Friday 07 November 2008, William Thompson <wt@electro-mechanical.com> wrote about 'Re: device mapper help': >On Fri, Nov 07, 2008 at 11:44:00PM +0800, hhding.gnu wrote: >> William Thompson wrote: >> > I'm not on the list. Please always keep me in the CC. >> > >> > Is there a tool somewhere that will allow me to merge a snapshot into >> > the parent device? >> >> As far as I know, LVM does not provide this function. ZFS can promote >> it's snapshoot. > >I'm not using LVM for this functionality. I want this on the block > level, not the fs level. What are you using to take snapshots, then? Also, LVM doesn't know anything about filesystems -- it does everything "on the block level". Also, you certainly don't want to update a block device's data while there's a mounted filesystem on top of it, so the filesystem (and any other layers between in device and the fs) are definitely of concern. -- Boyd Stephen Smith Jr. ,= ,-_-. =. bss03@volumehost.net ((_/)o o(\_)) ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-' http://iguanasuicide.org/ \_/
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