[Info-vax] Unexpected DECnet Phase IV functionality with possible captive account implications

[ultr...@gmail.com]

On Tuesday, May 18, 2021 at 7:51:54 AM UTC-4, Arne Vajhøj wrote:
> On 5/17/2021 10:53 PM, Dave Froble wrote: 
> > On 5/17/2021 8:41 PM, VAX... at SendSpamHere.ORG wrote: 
> >> In article <s7ufph$l2m$2... at dont-email.me>, Simon Clubley 
> >> <clubley at remove_me.eisner.decus.org-Earth.UFP> writes: 
> >>> On 2021-05-17, VAXman- @SendSpamHere.ORG <VAX... at SendSpamHere.ORG>
> >>>> Please tell me now to SYS$OPEN a file on another host with TCP/IP. 
> >>> 
> >>> Times change Brian and how you implement such things changes as well. 
> >>> 
> >>> There are multiple options. You could use CIFS or NFS (for example). 
> >>> 
> >>> There's work going on with filesystems over SSH. Whether VMS will ever 
> >>> see any of that work is another matter. 
> >>> 
> >>> If the other node is in a VMS cluster, you don't need DECnet. 
> >>> 
> >>> For an example of a different approach in the Linux world, there's GFS2: 
> >>> 
> >>> https://en.wikipedia.org/wiki/GFS2 
> >> 
> >> NODE::DEVICE:[DIRECTORY]FILENAME.EXT;VERSION 
> > 
> > It's a bit funny, and a lot sad, that even though people know what they 
> > are advocating doesn't exist, they still promote it. 
> > 
> > As far as I know, GFS2 doesn't exist on VMS. Somebody know something I 
> > don't know?
> GFS2 sort of exist on VMS. And has since way before GFS2 was invented. 
> 
> :-) 
> 
> GFS2 is a cluster wide accessible file system using a distributed 
> lock manager to control access. 
> 
> Just like VMS has done it for almost 40 years. 
> 
> And it is not just functional equivalent. Supposedly the 
> DLM design went VMS -> Tru64 -> Linux. 
> 
> And the API sure does look familiar: 
> 
> int dlm_lock(uint32_t mode, 
> struct dlm_lksb *lksb, 
> uint32_t flags, 
> const void *name, 
> unsigned int namelen, 
> uint32_t parent, /* unused */ 
> void (*astaddr) (void *astarg), 
> void *astarg, 
> void (*bastaddr) (void *astarg), 
> void *range); /* unused */ 
> 
> On the other side then cluster wide mount and transparent 
> file access to remote files is still not the exact same thing. 
> 
> Oh and to complete the story, then VSI has announced that they plan 
> on porting GFS2 to VMS (to get around certain limitations in current 
> file systems). Current roadmap says after 9.2 aka 9.3 or 10.0. 
> 
> Arne

so another part of VMS stolen just like windows NT?