ZFS MFC heads down
Henri Hennebert
hlh at restart.be
Thu May 21 12:45:52 UTC 2009
Henri Hennebert wrote:
> Kip Macy wrote:
>> On Wed, May 20, 2009 at 2:59 PM, Kip Macy <kmacy at 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.
>
> I upgrade to stable r192523:
>
> FreeBSD morzine.restart.bel 7.2-STABLE FreeBSD 7.2-STABLE #0: Thu May 21
> 13:18:53 CEST 2009
> root at morzine.restart.bel:/usr/obj/usr/src/sys/MORZINE i386
>
> some strange things:
>
> just after boot:
>
> [root at morzine ~]# zfs upgrade
> This system is currently running ZFS filesystem version 3.
>
> The following filesystems are out of date, and can be upgraded. After
> being
> upgraded, these filesystems (and any 'zfs send' streams generated from
> subsequent snapshots) will no longer be accessible by older software
> versions.
>
>
> VER FILESYSTEM
> --- ------------
> 1 pool1
> 1 pool1/qemu
> 1 pool1/squid
> 1 pool2
> 1 pool2/WorkBench
> 1 pool2/backup
> 1 pool2/download
> 1 pool2/qemu
> 1 pool2/sys
> 1 rpool
> 1 rpool/home
> 1 rpool/root
> 1 rpool/tmp
> 1 rpool/usr
> 1 rpool/var
> 1 rpool/var/spool
> [root at morzine ~]# zfs upgrade -v
> The following filesystem versions are supported:
>
> VER DESCRIPTION
> --- --------------------------------------------------------
> 1 Initial ZFS filesystem version
> 2 Enhanced directory entries
> 3 Case insensitive and File system unique identifer (FUID)
>
> For more information on a particular version, including supported
> releases, see:
>
> http://www.opensolaris.org/os/community/zfs/version/zpl/N
>
> Where 'N' is the version number.
>
>
> And now, after a few minutes:
>
> [root at morzine ~]# zpool upgrade
> This system is currently running ZFS pool version 13.
>
> The following pools are out of date, and can be upgraded. After being
> upgraded, these pools will no longer be accessible by older software
> versions.
>
> VER POOL
> --- ------------
> 6 pool1
> 6 pool2
> 6 rpool
>
> Use 'zpool upgrade -v' for a list of available versions and their
> associated
> features.
> [root at morzine ~]# zpool upgrade -v
> This system is currently running ZFS pool version 13.
>
> The following versions are supported:
>
> VER DESCRIPTION
> --- --------------------------------------------------------
> 1 Initial ZFS version
> 2 Ditto blocks (replicated metadata)
> 3 Hot spares and double parity RAID-Z
> 4 zpool history
> 5 Compression using the gzip algorithm
> 6 bootfs pool property
> 7 Separate intent log devices
> 8 Delegated administration
> 9 refquota and refreservation properties
> 10 Cache devices
> 11 Improved scrub performance
> 12 Snapshot properties
> 13 snapused property
> For more information on a particular version, including supported
> releases, see:
>
> http://www.opensolaris.org/os/community/zfs/version/N
>
> Where 'N' is the version number.
>
> Strange isn't it o-)
>
> By the way all seems ok!
This happen after the first boot in stable (comming from 7.2-RELEASE).
I reboot and can't reproduce it!.
Henri
>
> Thanks to all for this update to zfs V13
>
> Henri
>>
>> Thanks,
>> Kip
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