On 07/ 9/10 09:21 AM, Edward Ned Harvey wrote:
Suppose I have a fileserver, which may be zpool 10, 14, or 15. No
compression, no dedup.
Suppose I have a backupserver. I want to zfs send from the fileserver
to the backupserver, and I want the backupserver to receive and store
compressed and/or dedup'd. The backupserver can be a more recent
version of zpool than the fileserver, but right now, whatever they
are, they're the same as each other. And I think it's 10, and I think
I have 15 available if I upgrade them. (Obviously I can get accurate
details on the exact versions, if it matters.)
I have created the destination filesystem with compression. And now
my question ...
Can I "zfs send" from the fileserver to the backupserver and expect it
to be compressed and/or dedup'd upon receive? Does "zfs send"
preserve the properties of the originating filesystem? Will the "zfs
receive" clobber or ignore the compression / dedup options on the
destination filesystem?
Yes. Unless they are explicitly set on the source file system. I
replicate to a build 134 box with dedup enabled from an older server.
--
Ian.
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