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Re: [linux-lvm] Error setting up a mirrored lv



On Tue, Jul 18, 2006 at 03:16:13PM -0400, Harik A'ttar wrote:
As you noticed, you need a log partition. dm-mirror is a bit smarter then the basic MD raid1 in that it uses a log disk to keep track of write completions for synchronization. I've only recently got a kernel
Just for fairness, modern md also supports bitmaps either on a different
device or inside the md components for this very purpose.

L.

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