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Mon, 24 May 2021 15:51:07 -0700 (PDT) MIME-Version: 1.0 References: <343407758.936935.1621892682562@ichabod.co-bxl> In-Reply-To: From: Charles Forsyth Date: Mon, 24 May 2021 23:50:56 +0100 Message-ID: Subject: Re: [9fans] 1st and 2nd edition ISOs at p9f.org/dl are defective To: 9fans <9fans@9fans.net> Content-Type: multipart/alternative; boundary="000000000000bef01905c31b3e7e" Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 8a9fc588-bce2-11eb-8b92-9040d7e97d29 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UNWYwYjhiZjMyNTk5NzRlMy1NMWFhZTk0M2JhYWI0NzZkNDA3YzNk?= =?UTF-8?B?YWI1Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: 7bit List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M1aae943baab476d407c3dab5:1:dIC5q32MO0LhbA-spWZec-dCDbbXmN3avi9wwq9-paQ --000000000000bef01905c31b3e7e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable The 8+3 restriction is related to that. As often now, Wikipedia supplies more detail. Apparently High Sierra was the basis for the original format, not an extension: I was of course confusing it with Rock Ridge. On Mon, May 24, 2021 at 11:26 PM Charles Forsyth wrote: > I don't know the answer to the following question, which is why I ask it: > does that happen if you use 9660srv > under Plan 9 (-ish) to access those images? (Perhaps you already are, but > it would still be useful to know.) > It's quite a long time ago, but as I recall early CD formats took a > literal view of permissions: "I'm on a read-only medium, > otherwise you'd be using the later and probably incompatible standard for > RW optical, so all my file system permissions are "read". > Later people took advantage of having umptieen parallel trees in there in > different formats (Joliet for MS, High Sierra for UNIX-ish) > and Plan 9 added its own. I think those early CDs relied on that. Later > ones added parallel structures in both Joliet and High Sierra > format so you could get more accurate meta-date out of the CDs when > mounted on Windows or SunOS. > > > On Mon, May 24, 2021 at 10:46 PM Anonymous AWK fan via 9fans < > 9fans@9fans.net> wrote: > >> All file names are lower case (this makes some files inaccessible, >> because there are sometimes multiple files with the same name) and the >> modes, owners and groups are all --r--r--r-- (d-r-xr-xr-x for >> directories), cdrom and iso, respectively. >>=20 >> Anonymous AWK fan >>=20 >> -- >> Mailfence.com >> Private and secure email ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T5f0b8bf3259974e3-M1aae9= 43baab476d407c3dab5 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --000000000000bef01905c31b3e7e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
The 8+3 restriction is related to that. As oft= en now, Wikipedia supplies more detail. Apparently High Sierra was the basi= s for the original format,
not an extension: I was of course confusing = it with Rock Ridge.

On Mon, May 24, 2021 at 11:26 PM Charles Forsyt= h <charles.forsyth@gmail.co= m> wrote:
I don't know the answer to the following quest= ion, which is why I ask it: does that happen if you use 9660srv
under P= lan 9 (-ish) to access those images? (Perhaps you already are, but it would= still be useful to know.)
It's quite a long time ago, but as= I recall early CD formats took a literal view of permissions: "I'= m on a read-only medium,
otherwise you'd be using the later a= nd probably incompatible standard for RW optical, so all my file system per= missions are "read".
Later people took advantage of hav= ing umptieen parallel trees in there in different formats (Joliet for = MS, High Sierra for UNIX-ish)
and Plan 9 added its own. I think t= hose early CDs relied on that. Later ones added parallel structures in both= Joliet and High Sierra
format so you could get more accurate met= a-date out of the CDs when mounted on Windows or SunOS.


On Mon, May 24, 2021 at 10:46 PM Anonymous AWK fan via 9fans <9fans@9fans.net> wro= te:
All file n= ames are lower case (this makes some files inaccessible,
because there are sometimes multiple files with the same name) and the
modes, owners and groups are all --r--r--r-- (d-r-xr-xr-x for
directories), cdrom and iso, respectively.

Anonymous AWK fan

--
Mailfence.com
Private and secure email

------------------------------------------
9fans: 9fans
Permalink: https:= //9fans.topicbox.com/groups/9fans/T5f0b8bf3259974e3-Mcef852122ef07ff1d2c5ad= 3f
Delivery options: https://9fans.topicbox.com/gro= ups/9fans/subscription
= --000000000000bef01905c31b3e7e--