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Re: [lvm-devel] [PATCH v1 00/30] Ext4 snapshots



On Mon, Jun 13, 2011 at 04:26:16PM +0300, Amir G. wrote:
> with ext4, snapshots reads may cause extra seeks, but main fs will
> stay optimized for reads.
> with thinp and multisnap, there is no optimization for read from one
> specific target, but I admit that can change in the future when auto defrag
> heuristics are applies to multisnap.

I'm going to keep things symmetrical. A lot of use cases involve
pointing at an arbitrary snapshot and saying "that's now my master".
This is connected to why I support arbitrary depth of recursive
snapshots too.

- Joe


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