[volunteergrid2-l] some error

[Christoph Langguth]

Am 16.12.2011 21:59, schrieb Billy Earney:
> When I upgraded, the first thing I did was a deep-check, and received
> errors, so I downgraded to 1.8.3, and figured that was okay since I
> didn't upload any files after I upgraded to 1.9.0.  I figure if you
> haven't uploaded any files, it could be okay, but there might be issues
> if you have uploaded files since upgrading to 1.9.0.  I'm not 100% about
> this, so maybe someone like Zooko, should chime in?
>
I was more thinking of the server-side part, i.e. the "black box data" 
which is stored on my node on behalf of others. Like, if 1.9.0 uses a 
different format for holding indexes or such. Software usually handles 
data format "upgrades" quite well, but the opposite is almost never 
true. So the worst case I'm afraid of is: SW downgrade -> tahoe says 
"yeah, there sure is some data stored here, but I can't make sense of 
it" -> locally stored data lost/useless -> everybody having a chunk here 
has to repair their data.

As said, that's the "worst-case scenario" which may very well not be the 
case -- I was just wondering about the possible "global" implications of 
a local downgrade.

--Chris

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