From owner-freebsd-questions@freebsd.org Tue Oct 25 16:12:07 2016 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 433B9C212A5 for ; Tue, 25 Oct 2016 16:12:07 +0000 (UTC) (envelope-from jd1008@gmail.com) Received: from mail-yb0-x233.google.com (mail-yb0-x233.google.com [IPv6:2607:f8b0:4002:c09::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id F3709187 for ; Tue, 25 Oct 2016 16:12:06 +0000 (UTC) (envelope-from jd1008@gmail.com) Received: by mail-yb0-x233.google.com with SMTP id g68so2467364ybi.0 for ; Tue, 25 Oct 2016 09:12:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding; bh=ZWxonjnoX7FKrvw1BnSm6O6k9SHdd3lG0FlX/1nBzQM=; b=FkCV+1riMkF21ZEfG1viRRsC3KN/s8Z0HHG6pYRqLD8P0+L8sl0NJgRsnrwPwQQehJ oUzro+A+KDAcvJdZ0dQ3Vp2C4eNIMhVhWyDWJHEXyL2pww9PjDC3vQv/QqDvN1exfr/C lQDlzWekPGJJussCercO2n6RfDbTUQd52B/N0ouucwsvf6cQSbZd25R7JugkQaOZS3Vs fdAYX9o29pq+1/aDIZ4aL/2XKjEyOCh0544kbQ7ZPz6DfYs1PVI5tHU88m63IOEGBbac zH5AoN83nMNpB1bAY9K20g2dmo7ok/VnOA5VE8cKALBPZZpnk3AF1LKtDF6yoElUODCT RnSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=ZWxonjnoX7FKrvw1BnSm6O6k9SHdd3lG0FlX/1nBzQM=; b=Lhv80G+17COFxa9PLFybkmjIZS0vTQvwoMSu55k6Wb7YFzZfwJlrwjZqluaRJ+whQf yLSTrXJrlmYZgaE2QTCg5KKi1mdlb2xkQ3jPUxY770R9VP4GVheJ5l8IN5GHjHwSOV7x HeGuIjSl1HYFy2wL/q/n/cF6aeqkcpwuEMwurYn0d+iwHhBM9dRY2RoyITsTFtx8RJcm 0HfxRRR+sHBc3jdYqi9gwP8pUQTy0LmHRwEjpJ52s16eaCDa7RevtXlpJm9qt6MxQJqb /YGa+K21kZqHVTCZBwL+Mf9nF8DAP57K18NvlKr+GVwhwdA04xQIZanGFm0gW9CcHMvQ W7og== X-Gm-Message-State: ABUngvfkBPVzdyWeztyBsMtAwWq8iU2jC0RkZMmv8wrJZC5HKtUgxEOQtZFMzsnQqrVh7g== X-Received: by 10.36.69.97 with SMTP id y94mr2485090ita.102.1477411925950; Tue, 25 Oct 2016 09:12:05 -0700 (PDT) Received: from localhost.localdomain (50-243-4-3-static.hfc.comcastbusiness.net. [50.243.4.3]) by smtp.googlemail.com with ESMTPSA id k123sm1832522ita.2.2016.10.25.09.12.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Oct 2016 09:12:05 -0700 (PDT) Subject: Re: ufs to zfs To: freebsd-questions@freebsd.org References: <1477220901.79813.5.camel@yandex.com> <580E59C3.2000801@gmail.com> From: jd1008 Message-ID: <580F8454.3060605@gmail.com> Date: Tue, 25 Oct 2016 10:12:04 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Oct 2016 16:12:07 -0000 Yes! I was assuming booting from live media - but did not state it as I thought it obvious. I have done this type of FS change several times. Cheers, JD On 10/24/2016 05:11 PM, Matthew Seaman wrote: > On 24/10/2016 19:58, jd1008 wrote: >> The OP says he does have an external drive which the bios does not allow >> booting from. >> He can he back up (tar) the current system that is UFS based to the >> external drive, >> clobber the ufs partition by simply formatting it as a ZFS partition, >> and at some >> point, (after appropriate admin of zfs partition), tar the system back >> into the zfs partition. >> Is this "doable"? (Pardon the bad "english"). > He wouldn't be able to clobber the UFS partition if he was booted from > it. So he needs to boot from something else. Supposing that, then yes, > you could do this. You'ld need to boot from some other media -- a > bootable USB stick perhaps, or an installer DVD image, the image for > either of which can be downloaded from ftp.freebsd.org > > Cheers, > > Matthew > > >