[Info-vax] FREESPADRIFT

[Kerry Main]

> -----Original Message-----
> From: Info-vax [mailto:info-vax-bounces at info-vax.com] On Behalf Of
> Michael Moroney via Info-vax
> Sent: 16-Jun-16 2:24 PM
> To: info-vax at info-vax.com
> Cc: Michael Moroney <moroney at world.std.spaamtrap.com>
> Subject: Re: [New Info-vax] FREESPADRIFT
> 
> lawrencedo99 at gmail.com writes:
> 
> >On Tuesday, June 14, 2016 at 1:21:50 AM UTC+12, Bob Koehler wrote:
> 
> >>    It is normally cached, with more blocks marked on the disk as in
use
> than
> >>    are actually in use, so allocation doesn't need to update the
on-disk
> >>    value.  During proper dismount, the value on the disk is
corrected.
> >>    Improper dismount will leave it stale.
> 
> >No journalling, then?
> 
> >This from the company that invented Spiralog...
> 
> Don't forget that Spiralog was newer than ODS-5/ODS-2.  And Spiralog
> was
> to be a different file system for VMS (not a mod to ODS-5) but was
> cancelled.
> 

Walk down memory lane - Spiralog explained:
http://www.hpl.hp.com/hpjournal/dtj/vol8num2/vol8num2art1.pdf


Regards,

Kerry Main
Kerry dot main at starkgaming dot com