Artem Belevich wrote:
I had the same problem on -current. Try attached patch. It may not
apply cleanly on -stable, but should be easy enough to make equivalent
changes on -stable.

The patch is ok for stable.

now I get for the pool with my root:

[r...@morzine libzpool]# zdb rpool
    version=13
    name='rpool'
    state=0
    txg=959
    pool_guid=17669857244588609348
    hostid=2315842372
    hostname='unset'
    vdev_tree
        type='root'
        id=0
        guid=17669857244588609348
        children[0]
                type='mirror'
                id=0
                guid=3225603179255348056
                metaslab_array=23
                metaslab_shift=28
                ashift=9
                asize=51534888960
                is_log=0
                children[0]
                        type='disk'
                        id=0
                        guid=17573085726489368265
                        path='/dev/da0p2'
                        whole_disk=0
                children[1]
                        type='disk'
                        id=1
                        guid=2736169600077218893
                        path='/dev/da1p2'
                        whole_disk=0
WARNING: pool 'rpool' could not be loaded as it was last accessed by another system (host: unset hostid: 0x8a08f344). See: http://www.sun.com/msg/ZFS-8000-EY
zdb: can't open rpool: No such file or directory

But rpool have been used for many boot now - strange ...

Thanks for your patch and time

Henri



--Artem



On Wed, May 27, 2009 at 3:00 AM, Henri Hennebert <h...@restart.be> wrote:
Kip Macy wrote:
On Wed, May 20, 2009 at 2:59 PM, Kip Macy <km...@freebsd.org> wrote:
I will be MFC'ing the newer ZFS support some time this afternoon. Both
world and kernel will need to be re-built. Existing pools will
continue to work without upgrade.


If you choose to upgrade a pool to take advantage of new features you
will no longer be able to use it with sources prior to today. 'zfs
send/recv' is not expected to inter-operate between different pool
versions.

The MFC went in r192498. Please let me know if you have any problems.
No a real problem but maybe worth mentioning:

on FreeBSD morzine.restart.bel 7.2-STABLE FreeBSD 7.2-STABLE #0: Tue May 26
15:37:48 CEST 2009 r...@morzine.restart.bel:/usr/obj/usr/src/sys/MORZINE
 i386

[r...@morzine ~]# zdb rpool
   version=13
   name='rpool'
   state=0
   txg=959
   pool_guid=17669857244588609348
   hostid=2315842372
   hostname='unset'
   vdev_tree
       type='root'
       id=0
       guid=17669857244588609348
       children[0]
               type='mirror'
               id=0
               guid=3225603179255348056
               metaslab_array=23
               metaslab_shift=28
               ashift=9
               asize=51534888960
               is_log=0
               children[0]
                       type='disk'
                       id=0
                       guid=17573085726489368265
                       path='/dev/da0p2'
                       whole_disk=0
               children[1]
                       type='disk'
                       id=1
                       guid=2736169600077218893
                       path='/dev/da1p2'
                       whole_disk=0
Assertion failed: (?Ąuč? ėŪ¨´&), function mp->m_owner == NULL, file
/usr/src/cddl/lib/libzpool/../../../cddl/contrib/opensolaris/lib/libzpool/common/kernel.c,
line 112.
Abort trap: 6


and on FreeBSD avoriaz.restart.bel 7.2-STABLE FreeBSD 7.2-STABLE #0: Mon May
25 12:06:07 CEST 2009 r...@avoriaz.restart.bel:/usr/obj/usr/src/sys/AVORIAZ
 amd64

[r...@avoriaz ~]# zdb rpool
   version=13
   name='rpool'
   state=0
   txg=3467
   pool_guid=536117255064806899
   hostid=1133576597
   hostname='unset'
   vdev_tree
       type='root'
       id=0
       guid=536117255064806899
       children[0]
               type='mirror'
               id=0
               guid=3124217685892976292
               metaslab_array=23
               metaslab_shift=30
               ashift=9
               asize=155741847552
               is_log=0
               children[0]
                       type='disk'
                       id=0
                       guid=11099413743436480159
                       path='/dev/ad4p2'
                       whole_disk=0
               children[1]
                       type='disk'
                       id=1
                       guid=12724983687805955432
                       path='/dev/ad6p2'
                       whole_disk=0
Segmentation fault: 11

By the way, to help prepare a boot/root pool does a utility to display the
content of zpool.cache exist ?


Henri
Thanks,
Kip
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