On 07/26/2015 11:07 PM, Chris Murphy wrote:
On Sun, Jul 26, 2015 at 1:20 PM, ellanios82 <ellanios82@gmail.com> wrote:
read one needs Thin Provisioning LVM like :
http://www.tecmint.com/setup-thin-provisioning-volumes-in-lvm/
Yes it depends on an underlying snapshotting function being present. And it's impractical to use thick volumes.
For plain ext4 or XFS and atomic updates and rollbacks, that's www.projectatomic.io. It's really a very different layout, update, and boot method though. See https://lwn.net/Articles/581811/ There's a distinction between OSTree and rpm-ostree implementations. This is well explained here https://lwn.net/Articles/581811/
How all of this shakes out, time will tell. But even now the updates are more reliable in that updates are applied to a new tree, not the current tree - so are not only atomic but aren't replacing currently active libraries; and it's a much more reliable way for multiple OS versions to share a single volume and multiboot. ................
- Gosh ! thanks regards
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