Yaniv Aknin wrote:
> Hi,
>
> Obviously, moving ('renaming') files between ZFSs on the same zpools is just
> like a move between any other two filesystems, requiring full copy of the
> data and deletion of the old file.
>
> I was wondering if there is (and why there isn't) an optimization inside ZFS,
> thus that copy between ZFSs on the same zpool would be instantaneous or
> near-so. After all, no blocks /really/ need to be copied, it's more about ZFS
> finding out that it's a move within the same zpool and inode modifications at
> the source / target.
>
> Thoughts?
>
>
We beat this one into the dust last December. See thread:
http://mail.opensolaris.org/pipermail/zfs-discuss/2007-December/044975.html
-- richard
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