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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/ZNiWsfowz6161LLYF6mY1Fdfs9Ah66gVHNKW1pHnPc=; b=rbG6DasQUTEFxzlKpJHb5yv+I89PJOvuTyT6AwDUFVk5G1ihIg72d6VjaFy4ahtHuK 2daLoWAEcwi/s5kzp28Glb44Oo+8ZGRkLp1uJLpyChPUTDl9/AVdenR2AQleNnejSCpn s79s4g6ZcPhWmR/rSJJ1gBMf7T/UlLf7QpU08qJU7Wp5Rh5i+aue6tBCKFOCklFyIUmB pug11tNUNjP86Vmp3120uwuw9nyWe71EZl+Y0VZNZyy0mXrdYE3J5Lb/2HikEI59OdCf sYbaNrRGpyZWtjeE1z7KJqLs2upwSslOTZF9JQs8anG4Z63WSz7JuRAIr8evgEchhhEp 5eiw== X-Gm-Message-State: AOAM531xI5KzWinD8czfNLwts3K744IYEGi/Qi+mD0sNSyaYsMhEUmdu wklyJm8rFOvc3BpzCB4mfPBB72TqSsRYRdL4S2s= X-Google-Smtp-Source: ABdhPJwQTy1cdkZ9zfRChsTN+lFkeRdT0Fo9XBhVdHWCVTAAx2wcoEnlqb1PCPAEK6Aes1y9ugCP/7eZSBf9LRdHbPQ= X-Received: by 2002:ac8:5417:: with SMTP id b23mr17275632qtq.166.1604396929262; Tue, 03 Nov 2020 01:48:49 -0800 (PST) MIME-Version: 1.0 References: <2234110.ZDGxJVC3CD@ada> <3029789.gPz3SqCoUO@ada> In-Reply-To: From: Richard Weinberger Date: Tue, 3 Nov 2020 10:48:38 +0100 Message-ID: Subject: Re: [yocto] Install Yocto image and backup To: JH X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201103_044851_463673_1A282AF5 X-CRM114-Status: GOOD ( 11.40 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexander Dahl , Yocto discussion list , linux-mtd@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Tue, Nov 3, 2020 at 10:17 AM JH wrote: > The reason we don't update kernel and rootfs because the size of > kernel and rootfs is too large, it is hard to download 60MB image OTA > via 4G CAT M1. If we are going to change to use 4G CAT1 or higher > speed, I'll use either RAUC or SWUpdate, which one is the most popular > for embedded system using uboot and UBFIS? You don't need a full download. In the past I've used binary diffs with great success. So if the update size is your biggest concern, the tradeoff of computing and applying the binary diff might be worth it. -- Thanks, //richard ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/