Date: Mon, 10 Mar 2014 15:55:39 +0000 From: Arthur Chance <freebsd@qeng-ho.org> To: Dave B <g8kbvdave@googlemail.com>, freebsd-questions@freebsd.org Subject: Re: How to destroy a zpool that can no longer be imported? Message-ID: <531DE07B.8050704@qeng-ho.org> In-Reply-To: <531DCE03.30432.E0C4CA2@g8kbvdave.gmail.com> References: <CAJuc1zO92Qgfr5gcy2peU2yi8nipzOsdqDekhAJ54ofo2p=Ppg@mail.gmail.com> <531DCE03.30432.E0C4CA2@g8kbvdave.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 10/03/2014 14:36, Dave B wrote: > If you don't mind loosing everthing on the physical disk(s)... > > "DBAN" > > Darik's Boot and Nuke. http://sourceforge.net/projects/dban/ > > Unlike Gpart (and GParted) this will truly errase the disk. > > What you end up with a truly clean, and able to be used for whatever you want > afterwards, with no odd problems. > > I found GParted in particular, though it destroys the partition tables OK, it does > not remove the data on disk that was in the partition. As a result, I had > terrible troubles a while ago, getting FBSD 9.2 to reload, after I seriously > screwed something up. GParted didn't do the job, I kept getting strange lib > errors during the reinstall (from CD.) > > DBAN did the job, but it does take time, as it writes random noise to the entire > physical disk, sector by sector. The re-install after that, just worked, no errors. > > The price is right, but take care, once let loose, that's it, there is no turning > back. If all you want to do is clear a disk in order to reinstall it, doing dd if=/dev/zero of=$DISK bs=1g (possibly from a live CD/DVD) is quicker and doesn't require you to download and burn an extra ISO.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?531DE07B.8050704>