From owner-freebsd-questions@FreeBSD.ORG Wed Jul 21 12:10:33 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2C76B10657E4 for ; Wed, 21 Jul 2010 12:10:33 +0000 (UTC) (envelope-from kraduk@googlemail.com) Received: from mail-fx0-f54.google.com (mail-fx0-f54.google.com [209.85.161.54]) by mx1.freebsd.org (Postfix) with ESMTP id A62D88FC20 for ; Wed, 21 Jul 2010 12:10:32 +0000 (UTC) Received: by fxm13 with SMTP id 13so3801963fxm.13 for ; Wed, 21 Jul 2010 05:10:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=t4Rusim2K5cl41FKfV5lkIalGctSeBS078YyZVpFeLo=; b=FgljwO8puhisKA2+9bXRnFHQDX/CIDC1ZTh2ng7BUXN5NXpX8EBouODny0/7+F3nHw K5P8Lhiei2JtErhaFvd2VIuhFLEu29e8n0juXC7kcIPPJ/PycMDnuSgFp2oxbpb0vxVK DUKgv/WACJSZmwhWLTgaAyH4d8hzN/fHlD8ZE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=r4v+D8iElGCtt2G05VLg2zZa7+v4uOCjfpk/6GyuLorHd65XInNEsc78Ejc2t6L/Pp Us+cF/vyBJ0qm6P0VZ/rWnlEqJKIImn/pEPZLbcaiREAChTLnzaQHChstOV9ZcXZYZLg 9pt3OUSNjCMFrwKBLaLDFPeZ9IR1K7LIjOS1k= MIME-Version: 1.0 Received: by 10.239.138.79 with SMTP id o15mr9750hbo.15.1279714231473; Wed, 21 Jul 2010 05:10:31 -0700 (PDT) Received: by 10.239.160.201 with HTTP; Wed, 21 Jul 2010 05:10:31 -0700 (PDT) In-Reply-To: <4C46DC03.1030704@comclark.com> References: <4C452644.6060508@comclark.com> <20100720134205.3168f4f1@scorpio> <4C45EA1C.6070601@comclark.com> <20100720153209.74ec26e6@scorpio> <4C45FCE1.7010006@comclark.com> <20100720163651.0daf727d@scorpio> <4C46BAAD.5000507@unsane.co.uk> <4C46C356.6000101@comclark.com> <4C46DC03.1030704@comclark.com> Date: Wed, 21 Jul 2010 13:10:31 +0100 Message-ID: From: krad To: Aiza Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Vincent Hoffman , freebsd-questions@freebsd.org, Valentin Bud Subject: Re: new jail utility is available. announcement. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Jul 2010 12:10:33 -0000 On 21 July 2010 12:37, Aiza wrote: > Valentin Bud wrote: > >> On Wed, Jul 21, 2010 at 12:52 PM, Aiza wrote: >> >> Not yet, when I have a spare box I might, although I quite like using >>> >>>> zfs for jails as you can limit the disk usage dynamically per zfs >>>> filesystem and I didnt see any support there yet, even basic support >>>> like there is with ezjail would be nice. >>>> >>>> >>>> Zfs was left out because its over kill. Sparse image jails gives the >>> same >>> protection at a 10th of the overhead. >>> >>> >>> Hello community, >> >> ZFS shouldn't be left out. Besides limiting the disk usage dynamically >> per >> zfs FS >> you have another big advantage - snapshots. Suppose you want to upgrade >> ports >> is a jail and something goes kaboom you just revert to the previous >> working >> snapshot. >> I agree you can copy the image back and forth but zfs snapshots are >> faster >> and not >> that space consuming. >> > That all depends on your deltas. We do hot backups (lock, flush, snap, unlock) of our oracle dbs on solaris with zfs snap shots. The do take up a lot of room but thats becasue we do a lot of writes gigs a day. > >> The layout that I plan to use is the following: >> >> storage/jails >> |>storage/jails/group1 >> | | >> | >> |>storage/jails/group1/jail1 >> | >> |>storage/jails/group1/jail2 >> | >> |>storage/jails/group2 >> | |> ... >> | >> >> Group can be any kind of characteristic you want to take into account >> regarding >> those jails (eg. group1 - mail servers, group2 - web servers, groupX - >> companyY, etc.). >> You can also go with more levels of depth but for me it's enough. >> >> This way if your server doesn't handle all the jails you have running, >> simply >> buy new hardware, install FBSD (or just copy the ZFS root container over >> to >> the new >> system) and migrate the jails over. >> >> I am waiting for network stack virtualization to come out and dreaming >> about >> live jails >> migration in the future of FBSD :). >> >> I would like you to reconsider ZFS support and thanks for qjail :). >> >> a great day, >> v >> > > What you are doing behind the jail system back using zfs, qjail does with > the -z zone option right up front. And the archive and restore of qjail > jails is less than 3 seconds right now. How much faster does it need to be? > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > that depends on how much data is in the jail surely.