Date: Tue, 11 Jan 2022 11:48:42 +0100 From: =?UTF-8?Q?G=2eP=c3=b6tting?= <tuxgp@freenet.de> To: questions@freebsd.org Subject: Re: dd and mbr Message-ID: <d9b3a6e5-71ee-20bf-f4a1-5d20c75d1e83@freenet.de> In-Reply-To: <20220111104112.dd98218395b3edc567ab2031@sohara.org> References: <4af920fc-eff1-a92e-d36e-1ba97079864c@gmail.com> <20220111104112.dd98218395b3edc567ab2031@sohara.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi, perhaps you can run dd if=/dev/zero of=/dev/da0 bs=512 count=1 conv=sync Am 11.01.22 um 11:41 schrieb Steve O'Hara-Smith: > On Tue, 11 Jan 2022 10:02:26 +0000 (UTC) > Roderick <hruodr@gmail.com> wrote: > >> The command: >> >> dd if=/dev/zero of=/dev/da0 >> >> does not delete the mbr, I still see the partition table with >> fdisk. My questions: > It does delete the partition table, but fdisk is showing you cached > data - the clue is in this bit of the output: > > ******* Working on device /dev/ada0 ******* > parameters extracted from in-core disklabel are: > > I thought there was a way to get fdisk to read directly but I > can't find it in the man page now. >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?d9b3a6e5-71ee-20bf-f4a1-5d20c75d1e83>