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How will MacFusion, Disk Utility, Parallels etc. arbitrate over shared local volumes? #39

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
Looking ahead ... I predict at least two FAQ and one caution for a filesystem 
plug-in that is not 
implemented ...

Original issue reported on code.google.com by grahampe...@gmail.com on 5 May 2007 at 2:40

GoogleCodeExporter commented 9 years ago 
1) MacFusion alongside read-only approaches such as Disk Utility
----------------------------------------------------------------

Q: If I use Apple Disk Utility to unmount, then re-mount an NTFS volume that is 
usually mounted by MacFusion 
with write privileges, will Disk Utility mount the volume read-only?

A:

Original comment by grahampe...@gmail.com on 5 May 2007 at 2:40

GoogleCodeExporter commented 9 years ago 
2) MacFusion alongside Parallels Desktop for Mac
------------------------------------------------

Q: If an NTFS volume is first mounted with write privileges by MacFusion, can 
Parallels Desktop for Mac later 
gracefully take control of that volume for use by Microsoft Windows within a 
virtual machine?

A:

Original comment by grahampe...@gmail.com on 5 May 2007 at 2:41

GoogleCodeExporter commented 9 years ago 
Caution
-------

For any volume that is used by an OS running within a virtual machine, 
excercise caution if attempting to 
mount or write to that volume from beyond the virtual machine.

Already at <http://www.macwindows.com/#050407a> 
(probably not a permalink) on 4th May we see:

>> I installed MacFuse so that my Mac could read and write to my NTFS
>> backup drive. However, I found that MacFuse was incompatible with
>> Parallels. That is, my Mac could read & write the NTFS drive, but
>> Parallels couldn't see it.
>> 
>> Then I upgraded to the current 3188 build of Parallels and
>> everything is fine. It’s all compatible.

Do we share that writer's confidence that everything is fine in a read+write 
environment?

If I'm not mistaken, earlier builds of Parallels were not always graceful when 
wrestling control of physical CDs/
DVDs from Finder/Mac OS. That was read-only media.

The notion of two operating systems contending for write access to a single 
filing system sets alarm bells 
ringing. 

(No mention of MacFusion in that article, but who knows what the buzz will lead 
to, or how long it will be 
before someone offers an NTFS-oriented plug-in...)

Perhaps I'm being unnecessarily cautious? I will of course be delighted if 
indeed it is all compatible, but I 
currently lack the resources to reproduce and test that environment.

Original comment by grahampe...@gmail.com on 5 May 2007 at 2:53

GoogleCodeExporter commented 9 years ago 
Extending the thoughts above to other non-existent plug-ins
-----------------------------------------------------------

Should we find ourselves with plug-ins for 
Ext2fs 
ext3 
Reiser 
and so on, then similar issues may arise.

iPartition Demo | Partition  menu | New | Type:
reveals a long list of partition types 
(not necessarily supported) and iPartition Help suggests: 

> Future releases are likely to add support for MS-DOS and 
> Linux Ext2FS...

Let's be prepared for the future :)

Original comment by grahampe...@gmail.com on 5 May 2007 at 2:54

GoogleCodeExporter commented 9 years ago 
Summary
-------

As buzz increases around MacFUSE etc., be prepared for questions/issues that 
may not properly relate to 
MacFusion. 

Bear in mind, MacFusion will often be pleasantly transparent ... people will be 
using it without realising that 
they're doing so. 

Unexpected uses might = unexpected issues.

Unexpected combinations of MacFusion with other applications/VMs that are 
unknown to us might = more 
unexpected issues. 

(Am I being over-cautious?)

Ideally, predict/prepare for such questions/issues. 

Have PROMINENT cautions, and answers to FAQ, to avoid any flack that may arise 
from accidental misuse of 
applications/VMs. 

Such answers/cautions above might equally be expressed by developers of 
Parallels (and other VM 
environments) but it should be nice for us to educate and sweeten users of 
MacFusion :)

Original comment by grahampe...@gmail.com on 5 May 2007 at 3:01

GoogleCodeExporter commented 9 years ago

Original comment by grahampe...@gmail.com on 6 May 2007 at 6:10

GoogleCodeExporter commented 9 years ago

Original comment by grahampe...@gmail.com on 8 May 2007 at 3:22

GoogleCodeExporter commented 9 years ago 
Cross reference issue-50

Original comment by grahampe...@gmail.com on 9 May 2007 at 3:42

GoogleCodeExporter commented 9 years ago 
See also MacFusion issue 148.

Original comment by grahampe...@gmail.com on 24 May 2007 at 7:12