UFS2 with SAN

[Eric Anderson]

On 02/13/07 12:09, Ivan Voras wrote:
> Eric Anderson wrote:
> 
>> You might look at tdfs (fuse module from Ivan Voras I believe).  It's
>> probably horribly beta (not knocking it Ivan - I'm sure it's an amazing
>> start), so lots of testing would need to be done.  It's also most likely
>> not high performance.
> 
> Yes, I'm realistic about it - it is "horribly beta" :)
> 
> Two reasons: one: I couldn't amass enough interested parties to help
> test it (and possibly work on it), and second: while it's a nice problem
> to tackle, I don't [yet] need it that badly to start working on it
> outside of free time). In any case, TDFS doesn't have locking because
> FUSE doesn't have it (or didn't when I started doing it), so it stays
> single-writer-multiple-readers until that changes.
> 
> I'm thinking of re-creating it in kernel mode (and in this form it could
> also have locking) but not any time soon. Maybe during the summer (SoC?
> probably.).
> 


I've thought about this too - and even thought about making it a file 
system layer, like nullfs, with a network-kernel piece to notify the 
readers of changes, etc.  I'm not certain if it would work or not..

Eric