On Wed, 2025-11-19 at 18:31 +0100, Zdenek Kabelac wrote: > > I've been also thinking - that adding support of 'dumb' mirroring of > thinLV > into pvmove - isn't a very difficult request - so we will see - > although > obviously copying 10TiB empty thin volume isn't going to be 'a fast > operation' this way - but it's not any worse then a 'dd'.
Not any worse than 'dd' would be more than acceptable. How can anything be faster at physically moving data than dd as it is usually only slowed by the speed of the storage in any case? Slower, (to a reasonable degree) than dd would even be acceptable if it's atomic and online like existing pvmove of real LVs since it being online means nobody is sitting around waiting for it. So it can be slower even (again, to a reasonable degree). Cheers, b.
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