[zfs-discuss] COW question

question is ZFS uses COW(copy on write), does this mean it will double usage of capacity or waste the capacity? What COW really do? No mirror also has COW? Please help me, thanks. Robert ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://

Re: [zfs-discuss] COW question

I still could not understand why Copy on Write does not waste file system capacity. Robert Raymond Xiong 写道: Robert Chen wrote: question is ZFS uses COW(copy on write), does this mean it will double usage of capacity or waste the capacity? What COW really do? No mirror also