>On 12/14/12 10:07 AM, Edward Ned Harvey (opensolarisisdeadlongliveopensolaris)
>wrote:
>> Is that right? You can't use zfs send | zfs receive to send from a newer
>> version and receive on an older version?
>>
That is my experience. If you do a zfs upgrade on the sending machine, the
receiving machine requires a version >= the sending machine.
>No. You can, with recv, override any property in the sending stream that can
>be
>set from the command line (ie, a writable). Version is not one of those
>properties. It only gets changed, in an upward direction, when you do a zfs
>upgrade.
>ie:
># zfs get version repo/support
>NAME PROPERTY VALUE SOURCE
>repo/support version 5 -
># zfs send repo/support@cpu-0412 | zfs recv -o version=4 repo/test
>cannot receive: cannot override received version
>You can send a version 6 file system into a version 28 pool, but it will still
>be a version 6 file system.
>Bob
I am not disagreeing with this, but isn't this the opposite test from what Ned
asked? You can send from an old version (6) to a new version (28), but I
don't believe you can send the other way from the new version (28) to receive
on the old version (6).
Or am I reading this wrong?
Chad
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