Date: Tue, 7 Jun 2011 02:07:03 -0400 From: Jason Hellenthal <jhell@DataIX.net> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org Subject: Re: HEADS UP: ZFS v28 merged to 8-STABLE Message-ID: <20110607060703.GA80203@DataIX.net> In-Reply-To: <20110606125706.GA2047@icarus.home.lan> References: <4DECB197.8020102@FreeBSD.org> <20110606125706.GA2047@icarus.home.lan>
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Jeremy,
On Mon, Jun 06, 2011 at 05:57:06AM -0700, Jeremy Chadwick wrote:
> On Mon, Jun 06, 2011 at 12:53:11PM +0200, Martin Matuska wrote:
> > Hi,
> >
> > I have merged ZFS version 28 to 8-STABLE (revision 222741)
> >
> > New major features:
> >
> > - data deduplication
> > - triple parity RAIDZ (RAIDZ3)
> > - zfs diff
> > - zpool split
> > - snapshot holds
> > - zpool import -F. Allows to rewind corrupted pool to earlier
> > transaction group
> > - possibility to import pool in read-only mode
> >
> > For updating, there is a compatibility layer so that in the update phase
> > most functionality of the new zfs binaries can be used with the old
> > kernel module and old zfs binaries with the new kernel module.
> >
> > If upgrading your boot pool to version 28, please don't forget to read
> > UPDATING and properly update your boot code.
> >
> > Thanks to everyone working on the ZFS port, especially to
> > Pawel Jakub Dawidek (pjd) for doing most of the work!
>
> Thanks for the work on this, guys!
>
> I've already managed to find something odd. This message only appears
> on console, not via pty/tty.
>
> icarus# zpool create backups ada2
> Solaris(cont): !created version 28 pool backups using 28
>
> src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_history.c
> contains:
>
> 490 void
> 491 spa_history_log_version(spa_t *spa, history_internal_events_t event)
> 492 {
> 493 #ifdef _KERNEL
> 494 uint64_t current_vers = spa_version(spa);
> 495
> 496 if (current_vers >= SPA_VERSION_ZPOOL_HISTORY) {
> 497 spa_history_log_internal(event, spa, NULL,
> 498 "pool spa %llu; zfs spa %llu; zpl %d; uts %s %s %s %s",
> 499 (u_longlong_t)current_vers, SPA_VERSION, ZPL_VERSION,
> 500 utsname.nodename, utsname.release, utsname.version,
> 501 utsname.machine);
> 502 }
> 503 cmn_err(CE_CONT, "!%s version %llu pool %s using %llu",
> 504 event == LOG_POOL_IMPORT ? "imported" :
> 505 event == LOG_POOL_CREATE ? "created" : "accessed",
> 506 (u_longlong_t)current_vers, spa_name(spa), SPA_VERSION);
> 507 #endif
> 508 }
>
> A "zpool destroy", etc. does not print any similar message. It only
> happens on pool creation. Is this intentional behaviour? What does
> "Solaris(cont)" represent in the context of FreeBSD?
Nothing other than a line in-difference that someone does not have to
track from import/merge's. The smaller the diff's the better ;) Would be
nice to trap this at some other point so it doesnt have to be displayed
or changed through the whole structure of files.
/me is waiting for the next big move... ;)
Cheers to all the ZFS folks out there!
--
"Unity can only be manifested by the Binary. Unity itself and the idea of Unity are already two." -- Buddha
Regards, (jhell)
Jason Hellenthal
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