ok, I used "split -b 4k" on a 7716864 bytes qcow. I used standard lzma compression and get 1884 7z-clusters with a grand total of 3558617 bytes (indeed the gain is small).
The standard zlib qcow gave 3704180 bytes... Does it make sense to have a cluster based compression ? Indeed the actual compression is not so impressive then (zlib or not zlib based). On 7/4/06, Christian MICHON <[EMAIL PROTECTED]> wrote:
sorry I was not clear here... On 7/4/06, Fabrice Bellard <[EMAIL PROTECTED]> wrote: > > how to split into individual clusters a qcow image ? > > A good approximation is to use an uncompressed qcow image, or even a raw > image in which you exclude the empty clusters. > > Fabrice. how do I cut into the actual 4k clusters an existing qcow image ? any bash script or executable to perform this trick ? -- Christian
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