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[74.125.224.48]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-63f96a50fa5sm3172020d50.16.2025.11.03.09.33.11 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Nov 2025 09:33:11 -0800 (PST) Received: by mail-yx1-f48.google.com with SMTP id 956f58d0204a3-63e10cd6efeso4419014d50.0 for ; Mon, 03 Nov 2025 09:33:11 -0800 (PST) X-Received: by 2002:a05:690c:968f:b0:786:266c:5bd0 with SMTP id 00721157ae682-786484df431mr209316837b3.42.1762191190760; Mon, 03 Nov 2025 09:33:10 -0800 (PST) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 References: <8B8086D4-C68D-4C8A-86F2-C35212823B94@ketas.si.pri.ee> <73b4a16d-30f3-44b6-8477-aaa8e5aff82a@gmail.com> <20251103181232.3d7c8825415f1d2ad3f08c6e@dec.sakura.ne.jp> In-Reply-To: From: Tomek CEDRO Date: Mon, 3 Nov 2025 18:32:59 +0100 X-Gmail-Original-Message-ID: X-Gm-Features: AWmQ_bksvHCysajHraHCX4b8cexRqm6Ascu9aZzp-Uop__LrEPoH961rno5va04 Message-ID: Subject: Re: Why is the DVD image so large? To: Sulev-Madis Silber Cc: freebsd-current@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4d0dwF71pXz3rlR On Mon, Nov 3, 2025 at 6:06=E2=80=AFPM Sulev-Madis Silber 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 e= nvironments 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 =3D immune to mechanical malfunction like hdd. 3. no electronics parts =3D immune to esd / emp like ssd. 4. long life time far exceeding hdd/ssd (i.e. hard coat, or mdisk). 5. small and light. --=20 CeDeROM, SQ7MHZ, http://www.tomek.cedro.info