> especially because you still might have to resize iteratively. Only twice for a maximum new size of about 32 TB in the worst case if I got the numbers right. Where the first growth doesn't involve traversing the file system. > You save copying the bitmap over, but the rest will be more complicated > in return. Yeah. Simply moving the bitmap is very appealing in its obviousness and generality, I've come to agree that it's the best solution. //Andreas