Re: Sparse files on Mac
Re: Sparse files on Mac
- Subject: Re: Sparse files on Mac
- From: "Damir Dezeljin" <email@hidden>
- Date: Sat, 8 Dec 2007 11:37:14 +0100
Thanks once again,
You cannot put an HSM application on top of an existing file system or
at least not in a reliable way. For example what happens if people
access the underlying file system without your HSM KEXT loaded?
Yes, I'm aware of such a limitation and it is usually acceptable for HSM products. If the KEXT isn't loaded, there is no data returned.
You need to design your own file system that incorporates HSM as one
of its features...
I see. However, I'm concerned about Darwin updates:
- Is it possible to implement an entire file system as a KEXT in a supported way -> so to avoid multiple KEXT releases for every Darwin update?
- Is it possible to implement a file system as a KEXT at all or will I need to make the 'new file system' part of the kernel and so recompile the entire kernel -> in such a case I can forcast kernel installation problems or at least concern of reinstalling the kernel.
Well, this wasn't a good one :) A good news would now be an Apple commit to implement the SPARSE functionality ASAP << Am I asking too much? :) or at least a workaround :P
Best regards,
Damir
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