[Info-vax] Re; Spiralog, RMS Journaling (was Re: FREESPADRIFT)

[Stephen Hoffman]

On 2016-06-22 07:27:26 +0000, lawrencedo99 at gmail.com said:

> On Wednesday, June 22, 2016 at 3:30:03 AM UTC+12, Johnny Billquist wrote:
>> On 2016-06-18 11:19, Lawrence D’Oliveiro wrote:
>> 
>>> Time Machine plays fast and loose with your filesystem integrity 
>>> (multiple hard links to directories), and you pay the price in 
>>> reliability <http://arstechnica.com/civis/viewtopic.php?t=1252811>.
>> 
>> Multiple hard links are not a problem for file system integrity.
> 
> Yes they are.

Empirically...

OpenVMS supports multiple links to directories — that's at the core of 
the cluster file system.

BACKUP has code for dealing with previously-scanned files as part of 
the /IMAGE qualifier.

macOS Time Machine very clearly works, too.



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