Just to complete this thread (I think), I ran "zpool upgrade -V 22
rpool", and it was done instantly. My original issue of using the "-d"
option for zfs destroy (as implemented in time-slider) has now gone
away. I haven't tried booting off of an older BE, but from the info I
found in my original link (and in Johansen's email below), it should not
be a problem at version 22.
-- Alan
On 07/13/10 03:41 PM, [email protected] wrote:
On Tue, Jul 13, 2010 at 03:31:32PM -0700, [email protected] wrote:
On Tue, Jul 13, 2010 at 03:26:35PM -0700, Alan Steinberg wrote:
So in theory I can look at my oldest BE that I might want to boot to
in the future, map that to the zpool version available at that time
(e.g. http://hub.opensolaris.org/bin/view/Community+Group+zfs/22
says nv128 is supported), and use the -V option to upgrade to that
version.
Yes, you could do that. A copy of the versions document is here, too:
http://docs.sun.com/app/docs/doc/819-5461/appendixa-1?a=view
b128 was the last revision in which the zpool version was changed, so if
you have no BEs that are older than b128, you can upgrade every pool to
the latest version.
Whoa, I take that back. The versions document at docs.sun.com only goes
to version 22. From a quick look at the source, it looks like the
following versions were added in these builds:
Version 23 was added in b135.
Version 24 was added in b137.
Version 25 was added in b140.
Version 26 was added in b141.
HTH,
-j
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