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On 01/19/2010 01:37 AM, Rodney Lindner wrote:> Hi all,
> I was wondering, when blocks are freed as part COW process are the old
blocks put on the top or bottom of the freeblock list?
>
> The question came about looking a thin provisioning using zfs on top of
dynamically expanding disk images (VDI). If the free blocks are put at the end
> free block list, over time the VDI will grow to its maximum size before it
reuses any of the blocks.
Check the thread "Thin device support in ZFS?", from late december.
- --
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