W dniu 2012-11-16 17:17, Guido Falsi pisze:
On 11/16/12 16:45, Andriy Gapon wrote:
on 13/11/2012 18:16 Guido Falsi said the following:
My idea, but is just a speculation, i could be very wrong, is that
the geom
tasting code has some problem with multiple vdev root pools.
Guido,
you are absolutely correct. The code for reconstructing/tasting a
root pool
configuration is a modified upstream code, so it inherited a
limitation from it:
the support for only a single top-level vdev in a root pool.
I have an idea how to add the missing support, but it turned out not
to be
something that I can hack together in couple of hours.
I can imagine, it does not look simple in any way!
So, instead I wrote the following patch that should fall back to
using a root pool
configuration from zpool.cache (if it's present there) for a
multi-vdev root pool:
http://people.freebsd.org/~avg/zfs-spa-multi_vdev_root_fallback.diff
The patch also fixes a minor (single-time) memory leak.
Guido, Bartosz,
could you please test the patch?
I have just compiler an r242910 kernel with this patch (and just this
one) applied.
System booted so it seems to work fine! :)
I've just compiled and installed fresh kernel with your patch, system
booted without any problems, so apparently patch works as intended.
Good job Andriy!
Apologies for the breakage.
No worries, and thanks for this fix.
Also thanks for all the work on ZFS!
Make it twice :)
Regards,
--
Bartosz Stec
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