[Info-vax] OT: distributed authentication (etc) .ne. distributed file systems

[Stephen Hoffman]

On 2016-02-20 13:20:15 +0000, johnwallace4 at yahoo.co.uk said:

> On Saturday, 20 February 2016 00:48:09 UTC, Stephen Hoffman  wrote:
>> On 2016-02-20 00:40:04 +0000, johnwallace4 at yahoo.co.uk said:
>> 
>>> Tru64 got something resembling a cluster-aware file system and other 
>>> core VMScluster concepts eventually, before Tru64 was abandoned.
>> 
>> There are other things resembling cluster-aware file systems available, 
>>  too.   https://www.apple.com/support/osxserver/xsan/
>> 
>> --
>> Pure Personal Opinion | HoffmanLabs LLC
> 
> Got a more specific reference? All I get from an admittedly very quick 
> glance at that document is:

But Richard askek me to compose and edit his proposal to the W3C HTML5 
committee?

> 1) Apple's server software can access SAN storage

Shared SAN storage.  Shared means coordination is required.

> 2) Apple's server software does Appletalk (AFP) and Samba (SMB2) so 
> other systems can access our files.

Served access.   That's just like SMB/CIFS can be served from OpenVMS.  
 That means that hosts without FC HBA access can access the SAN, just 
as MSCP and TMSCP can be served.

> Doesn't sound all that shiny vs the competition, so maybe I missed 
> something that makes it more like a cluster class file system (e.g. 
> built on a proper robust distributed lock manager, built on a proper 
> robust intra-cluster comms architecture)?

https://help.apple.com/serverapp/mac/5.0/#/apd6ec9abf60

The Xsan metadata controllers provide the coordination.


-- 
Pure Personal Opinion | HoffmanLabs LLC