From owner-freebsd-fs@FreeBSD.ORG  Thu May 29 14:04:41 2014
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 594F36A0;
 Thu, 29 May 2014 14:04:41 +0000 (UTC)
Received: from mail.feld.me (mail.feld.me [66.170.3.6])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "mail.feld.me", Issuer "Gandi Standard SSL CA" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id E97802D71;
 Thu, 29 May 2014 14:04:40 +0000 (UTC)
Received: from mail.feld.me (mail.feld.me [66.170.3.6]);
 by mail.feld.me (OpenSMTPD) with ESMTP id 546ddbb3;
 Thu, 29 May 2014 09:04:36 -0500 (CDT)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=feld.me; h=mime-version
 :content-type:date:from:to:cc:subject:in-reply-to:references
 :message-id:sender; s=blargle2; bh=3xY3/MP0BbVQPb4hFqLa3EfwNv8=; b=
 b/QpJI5AsozrJipnzzQTqyKeyUUlu+LG3fndd8x4LYetG/OXZRJlXN+5Xwx0o43B
 y8iHyB6jL2zHWh3E0TThKZkzX5OFHKT0bKUIRMSeqFsZ5DbxK9qeh3pnAxWT0Wlg
 wLd2W98KCXph03gqDO8V77LQmWT0z4YUr5xLYWTEsRG7MjVmgVuh4Cim95s21h9b
 bIACDx8HoshVAMpEnINFm155uak/6aujBk6Af0y2haZCXGBEefijH3vFdJdxZWFx
 rLg6nPCIB3FbBtkT69m2l1/5BTzb7jFHGrQM31Usltv8/3crzxkPjtbfvwkVoeFC
 ZH2PuTDTqfrxdShZSijqMA==
DomainKey-Signature: a=rsa-sha1; c=nofws; d=feld.me; h=mime-version
 :content-type:date:from:to:cc:subject:in-reply-to:references
 :message-id:sender; q=dns; s=blargle2; b=MU9Pw3ArW3AQcsO683TyxN8
 xYfqVOjilZDnkqWbSe45ohPppRrfktNpgnvCJNpv4LmsRs9hBBnGVIx1kJdAa9c1
 OqzVKfhw25OpCkhByE70ZU5Glgpqzv/QypiYPDvtqTH91sLqF3ogAbtWhLlOPWLU
 5OKeYlNddtovjQiIG8fuXtSXDPpHsD7/jlxj/tNoFmGxqwlL+EBVIRfsP4492bsJ
 U65n0mUgrT6KeNOaCC2LCqh+A5/QBamvCs52Hl0csZZBI3h74LMlYii6kk2iW268
 Z3qoJVJ8gAj68IalbI+yhrr1OsfoLyDYsw6CCP0xrZwpuvIKa5Yxnxp/RLbR9PA=
 =
Received: from mail.feld.me (mail.feld.me [66.170.3.6]);
 by mail.feld.me (OpenSMTPD) with ESMTP id ca4a419f;
 Thu, 29 May 2014 09:04:36 -0500 (CDT)
Received: from feld@feld.me by mail.feld.me (Archiveopteryx 3.2.0) with
 esmtpa id 1401372275-322-320/5/8; Thu, 29 May 2014 14:04:35 +0000
Mime-Version: 1.0
Content-Type: text/plain; format=flowed
Date: Thu, 29 May 2014 09:04:35 -0500
From: Mark Felder <feld@freebsd.org>
To: Petri Helenius <petri@helenius.fi>
Subject: Re: ZFS auto online
In-Reply-To: <7781CE90-D672-4A55-B7E9-47A48EA146E4@helenius.fi>
References: <7781CE90-D672-4A55-B7E9-47A48EA146E4@helenius.fi>
Message-Id: <308a6f01436240e060878bb0620d0946@mail.feld.me>
X-Sender: feld@FreeBSD.org
User-Agent: Roundcube Webmail/1.0.1
Sender: feld@feld.me
Cc: freebsd-fs@freebsd.org, owner-freebsd-fs@freebsd.org
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs/>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 29 May 2014 14:04:41 -0000

On 2014-05-29 03:13, Petri Helenius wrote:
> Hi,
> 
> How do I get ZFS to automatically online reattached device?
> 

Besides waiting for zfsd, you could write a devd script that recognizes 
the device by one of several identifiers and then automatically runs the 
zfs commands you desire.