Date: Thu, 13 Jan 2022 08:32:26 +0000 (UTC) From: Roderick <hruodr@gmail.com> To: FreeBSD Questions List <questions@freebsd.org> Subject: Re: dd and mbr Message-ID: <5ad46ace-9241-bbba-df61-162b3ffe461b@gmail.com> In-Reply-To: <20220112214107.GI61872@eureka.lemis.com> References: <4af920fc-eff1-a92e-d36e-1ba97079864c@gmail.com> <CAM8r67By518wp_1p9%2BJ5p7CE6Zj1M97Rm%2BaA-CSA-qtSVgyidw@mail.gmail.com> <20220112010402.GG61872@eureka.lemis.com> <f0814445-d026-30-8956-84e36db9b7a6@gmail.com> <20220112214107.GI61872@eureka.lemis.com>
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On Thu, 13 Jan 2022, Greg 'groggy' Lehey wrote: > As others have suggested, use bs=64k. Otherwise dd does an IO for > every single sector. The speedup is really in the order of 100x. I used bs=1m. I hope that was also OK. In any case faster than without it.
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