Date: Mon, 3 Nov 2025 18:32:59 +0100 From: Tomek CEDRO <tomek@cedro.info> To: Sulev-Madis Silber <freebsd-current-freebsd-org111@ketas.si.pri.ee> Cc: freebsd-current@freebsd.org Subject: Re: Why is the DVD image so large? Message-ID: <CAFYkXj=2T9UiQ_26Ye81D=VPuSDgv15FNfq=A7pXRPbz2sGZ%2BA@mail.gmail.com> In-Reply-To: <A0AB4D8B-267E-4318-9A8B-C549EF29D629@ketas.si.pri.ee> References: <d7757e06-1199-42a3-9b41-cc7d210fce0b@blastwave.org> <8B8086D4-C68D-4C8A-86F2-C35212823B94@ketas.si.pri.ee> <73b4a16d-30f3-44b6-8477-aaa8e5aff82a@gmail.com> <b311d5ba0c4dc76977f9161c38d528a5@bsdforge.com> <20251103181232.3d7c8825415f1d2ad3f08c6e@dec.sakura.ne.jp> <A0AB4D8B-267E-4318-9A8B-C549EF29D629@ketas.si.pri.ee>
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On Mon, Nov 3, 2025 at 6:06 PM Sulev-Madis Silber <freebsd-current-freebsd-org111@ketas.si.pri.ee> wrote: > (..) > the optical disks are most of cases readonly, they could retain data well, could be pressed into permanent disk, would be allowed in high security environments where usb would be not maybe > > i miss the optical use cases here, anyone give me insight? 1. read only / immutable. 2. no moving parts = immune to mechanical malfunction like hdd. 3. no electronics parts = immune to esd / emp like ssd. 4. long life time far exceeding hdd/ssd (i.e. hard coat, or mdisk). 5. small and light. -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.infohelp
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