From nobody Mon Oct 3 08:26:01 2022 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Mgv786GQdz4ctNp for ; Mon, 3 Oct 2022 08:26:12 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: from puchar.net (puchar.net [194.1.144.90]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Mgv770M5Qz3cT6; Mon, 3 Oct 2022 08:26:10 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: Received: from 127.0.0.1 (localhost [127.0.0.1]) by puchar.net (8.15.2/8.16.1) with ESMTPS id 2938Q1n0094913 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 3 Oct 2022 10:26:02 +0200 (CEST) (envelope-from wojtek@puchar.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=puchar.net; s=default; t=1664785562; bh=78ehySCQjRP3DMF484t49u7DxQ0IIh+WH9bwBPljZBQ=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=dDOJJdOkAWeW3K+iSsnQPhzCoxSaCjC+LK1kg2do/AyorfdKg1UDy19fES3eP6tK4 EJwBwi8UbTcM+ZE5UOdoyIve02zmsb2fwRe/DUYYBYnknike0J+pcERBLtgB3CJ9AD /KxOLs+X4ksijplgLOLfIjo2YIg4Oa5miyWsdZEQ= Received: from wojtek.intra (localhost [127.0.0.1]) by wojtek.intra (8.16.1/8.16.1) with ESMTP id 2938Q1wD055412; Mon, 3 Oct 2022 10:26:01 +0200 (CEST) (envelope-from wojtek@puchar.net) Received: from localhost (wojtek@localhost) by wojtek.intra (8.16.1/8.16.1/Submit) with ESMTP id 2938Q10X055409; Mon, 3 Oct 2022 10:26:01 +0200 (CEST) (envelope-from wojtek@puchar.net) X-Authentication-Warning: wojtek.intra: wojtek owned process doing -bs Date: Mon, 3 Oct 2022 10:26:01 +0200 (CEST) From: Wojciech Puchar To: Graham Perrin cc: freebsd-hackers@freebsd.org Subject: Re: Block sizes for dd(1) to USB memory sticks (flash drives) for installers for FreeBSD In-Reply-To: <1cede94a-c114-17fa-a81c-bb58c2b5879c@freebsd.org> Message-ID: <750a38c-2c86-a571-eb65-f63998b7649f@puchar.net> References: <1cede94a-c114-17fa-a81c-bb58c2b5879c@freebsd.org> List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed X-Rspamd-Queue-Id: 4Mgv770M5Qz3cT6 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=puchar.net header.s=default header.b=dDOJJdOk; dmarc=none; spf=pass (mx1.freebsd.org: domain of wojtek@puchar.net designates 194.1.144.90 as permitted sender) smtp.mailfrom=wojtek@puchar.net X-Spamd-Result: default: False [-3.50 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[puchar.net:s=default]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; TO_DN_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:43476, ipnet:194.1.144.0/24, country:PL]; RCVD_TLS_LAST(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; HAS_XAW(0.00)[]; DMARC_NA(0.00)[puchar.net]; DKIM_TRACE(0.00)[puchar.net:+]; FROM_EQ_ENVFROM(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; MIME_TRACE(0.00)[0:+]; MLMMJ_DEST(0.00)[freebsd-hackers@freebsd.org] X-ThisMailContainsUnwantedMimeParts: N > and > elsewhere: > > bs=1m > > Why so small? I've just checked. 128kB, 1MB and 4MB makes no noticable difference