On 12 Nov 2009, at 19:54, "David Dyer-Bennet" <d...@dd-b.net> wrote:


On Thu, November 12, 2009 13:36, Edward Ned Harvey wrote:
I built a fileserver on solaris 10u6 (10/08) intending to back it up to
another server via zfs send | ssh othermachine 'zfs receive'

However, the new server is too new for 10u6 (10/08) and requires a later
version of solaris . presently available is 10u8 (10/09)

Is it crazy for me to try the send/receive with these two different
versions of OSes?

It says at the end of the zfs send section of the man page "The format of the stream is committed. You will be able to receive your streams on
future versions of ZFS."

'Twas not always so. It used to say "The format of the stream is evolving. No backwards compatibility is guaranteed. You may not be able to receive your streams on future versions of ZFS."

See http://hub.opensolaris.org/bin/view/Community+Group+on/2008042301

However, the above states that you're ok within Solaris 10 (which got a usable ZFS quite late in the day - you were very brave if you used the s10u3 implementation), and I've only fallen foul of the issue with old Nevada and OpenSolaris versions.


That would seem to be a rather strong general commitment. That makes it
IMHO at least worth experimenting with the case you need, see if it
accepts the stream.  It should, according to the man page.
--
David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/
Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/
Photos: http://dd-b.net/photography/gallery/
Dragaera: http://dragaera.info

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On 12 Nov 2009, at 19:54, "David Dyer-Bennet" <d...@dd-b.net> wrote:


On Thu, November 12, 2009 13:36, Edward Ned Harvey wrote:
I built a fileserver on solaris 10u6 (10/08) intending to back it up to
another server via zfs send | ssh othermachine 'zfs receive'

However, the new server is too new for 10u6 (10/08) and requires a later
version of solaris . presently available is 10u8 (10/09)

Is it crazy for me to try the send/receive with these two different
versions of OSes?

It says at the end of the zfs send section of the man page "The format of the stream is committed. You will be able to receive your streams on
future versions of ZFS."

Twas not always so. It used to say


http://hub.opensolaris.org/bin/view/Community+Group+on/2008042301


That would seem to be a rather strong general commitment. That makes it
IMHO at least worth experimenting with the case you need, see if it
accepts the stream.  It should, according to the man page.
--
David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/
Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/
Photos: http://dd-b.net/photography/gallery/
Dragaera: http://dragaera.info

_______________________________________________
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zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
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