From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: <6588e593ea315808130c7aa775bc3adc@hamnavoe.com> Date: Tue, 4 Oct 2011 13:30:00 +0100 Message-ID: From: Charles Forsyth To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: multipart/alternative; boundary=0015175cd9b811196404ae7840f1 Subject: Re: [9fans] copying fossil filesystem to a bigger disk Topicbox-Message-UUID: 31887c30-ead7-11e9-9d60-3106f5b1d025 --0015175cd9b811196404ae7840f1 Content-Type: text/plain; charset=UTF-8 i had in mind something that would make the drive look as much like an old drive as possible, including lying about simply everything, including the underlying physical sector size. surely that's suitable for the PC heritage. On 4 October 2011 13:17, erik quanstrom wrote: > On Tue Oct 4 08:09:55 EDT 2011, charles.forsyth@gmail.com wrote: > > > no, i meant to select what the drive advertises. it would be a bit > > disconcerting if flipping a bit had to reformat a drive! > > well they advertize *two* different sector sizes, a logical size and a > physical size. the drive never changes the physical format, but may > do read/modify/write cycles in the case of writes that don't cover a > full physical sector. > > - erik > > --0015175cd9b811196404ae7840f1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable i had in mind something that would make the drive look as much like an old = drive as possible,
including lying about simply everything, including t= he underlying physical sector size. surely that's
suitable fo= r the PC heritage.

On 4 October 2011 13:17, erik quanstrom <quanstro@quanstr= o.net> wrote:
On Tue Oct =C2=A04 08:09:55 EDT 2011, charles.forsyth@gmail.com wrote:

> no, i meant to select what the drive advertises. it would be a bit
> disconcerting if flipping a bit had to reformat a drive!

well they advertize *two* different sector sizes, a logical size and = a
physical size. =C2=A0the drive never changes the physical format, but may do read/modify/write cycles in the case of writes that don't cover a full physical sector.

- erik


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