[Info-vax] File Systems (was: Re: New VSI Roadmap (yipee!))

[clairgrant71 at gmail.com]

On Wednesday, March 4, 2015 at 10:01:50 AM UTC-5, Stephen Hoffman wrote:
> On 2015-03-04 11:45:00 +0000, Paul Sture said:
> 
> > Hmm. Both Lustre and Cassandra are Java based and when the OpenJDK wiki 
> > concentrates so heavily on licensing issues I want to run a mile.
> 
> Lustre is GPL2, which makes its inclusion into a closed-source OpenVMS 
> configuration comparatively unlikely.
> 
> ZFS, if VSI decides to license that from Oracle, might work.  ZFS and 
> various other choices would likely require some changes for application 
> compatibility and for clustering -- the caches would have to be 
> coordinated across cluster members -- and getting a wholly new file 
> system to operate in the XQP environment and with the existing DCL 
> commands and system services would involve some work.
> 
> It's certainly conceivable that they'd extend fields in ODS-5.
> 
> VSI might also decide to implement disk partitioning.
> 
> The addressing change effects code throughout the VMS kernel and in VSI 
> and third-party application code.  Code that uses a longword block 
> count or a longword block address, such as device drivers, 
> disk-reporting tools and likely including SNMP, and potentially even in 
> foreign file systems which would want or need to address these larger 
> volumes.
> 
> What VSI might decide here, we shall learn.
> 
> 
> 
> 
> -- 
> Pure Personal Opinion | HoffmanLabs LLC

This is a new file system. We started the work before VMS was sent to India. We intend to pick up where we left off.