[haiku-bugs] Re: [Haiku] #6487: [intel] overlapping partitions cannot be detected
- From: "rainbow-demon" <trac@xxxxxxxxxxxx>
- Date: Wed, 25 Aug 2010 22:07:09 -0000
#6487: [intel] overlapping partitions cannot be detected
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Reporter: rainbow-demon | Owner: marcusoverhagen
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: Drivers/Disk | Version: R1/Development
Resolution: | Keywords: intel, overlapping
Blocked By: | Has a Patch: 0
Platform: All | Blocking:
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Comment (by rainbow-demon):
Replying to [comment:6 stippi]:
> I've tried to explain this in my previous comment, detecting the file
systems and using their information when parsing partitions is a layering
violation. The (right now) clean design of the Haiku Disk Device API would
have to be completely changed just to gracefully handle a situation that
shouldn't happen in the first place, and which can be handled gracefully
only in corner cases. Where do you stop? Suppose we introduce the layering
violation to detect and allow your situation, then the next user comes
along and says: Well, I have overlapping partitions, and even my file
systems actually overlap according to the allocated size of each, but --
by pure chance -- I don't have any data in the region where they overlap,
can you please allow this? :-)
I'm sorry :-) maybe overlapping can be simply ignored on this stage,
leaving the final decision about accessing those partitions up to user (me
;-) ), warning him about a chance of fatal consequences for his data? Or
at least show something in drivesetup - not just like my entire hard disk
is empty and all data is lost (this scared me).
Windows can read the partition table and mount sda1 and sda2 (sda4 has
ext2 and cannot be mounted though it is seen in Disk Manager).
--
Ticket URL: <http://dev.haiku-os.org/ticket/6487#comment:7>
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