RE: Dracut, dmsquash, and overlays

2014-07-30 Thread John Florian
> -Original Message- > From: devel-boun...@lists.fedoraproject.org [mailto:devel- > boun...@lists.fedoraproject.org] On Behalf Of Major Hayden > My goal is to live boot our servers since the majority of our systems would be > stateless. Being able to reboot into a known good, tested state

Re: Dracut, dmsquash, and overlays

2014-07-29 Thread Will Woods
On Mon, 2014-07-28 at 21:26 -0500, Major Hayden wrote: > On Jul 28, 2014, at 17:11, Will Woods wrote: > > > Since your systems have lots of RAM, why not just use a regular ext4 > > filesystem image as your root filesystem? Then you don't need to worry > > about blowing up the overlay at all. > >

Re: Dracut, dmsquash, and overlays

2014-07-29 Thread Peter Robinson
>> You're not quite right about how the overlay works. >> >> The default in-memory overlay is just 512MB. And the device-mapper docs >> note that "if it fills up the snapshot will become useless and be >> disabled, returning errors."[1]. >> >> You should also note that the overlay is a block-level

Re: Dracut, dmsquash, and overlays

2014-07-28 Thread Major Hayden
On Jul 28, 2014, at 17:11, Will Woods wrote: > You're not quite right about how the overlay works. > > The default in-memory overlay is just 512MB. And the device-mapper docs > note that "if it fills up the snapshot will become useless and be > disabled, returning errors."[1]. > > You should al

Re: Dracut, dmsquash, and overlays

2014-07-28 Thread Will Woods
On Mon, 2014-07-28 at 09:37 -0500, Major Hayden wrote: > Hello there, > > I'm working with F20 and CentOS 7 to create some live booted images. > I'm not looking to do live USB/CD media, but rather boot a server over > the network with a kernel, initramfs, and squashfs. It's working well > so far,

Re: Dracut, dmsquash, and overlays

2014-07-28 Thread Major Hayden
On Jul 28, 2014, at 10:55, Fabian Deutsch wrote: > > I am not completely if it is this issue you are seeing, but a squashfs image > takes more memory then the image itself, becasue you first need to unsquash > (in ram) and the load the fs pages into ram. > Also take a look here: > http://dumm