2012/4/18 David-Sarah Hopwood <[email protected]> > On 17/04/12 13:36, huang jun wrote: > > Hi,everyone > > Tahoe using hash to balance the overload and data distribution cross the > storage grid,we > > have an idea: > > Assume the storage grid seperate in two sites A and B, there are gateway > nodes in both > > sites, and we want to store 4 shares of a file > > on A, and 6 shares on B.so that when we read the file, we can direct the > http request to > > a nearest gateway of our computer, take B as example, > > then request the storage nodes in site B and get 3 of 6 shares, now we > got the file. > > > > so do we have any ways to achieve this? > > You can easily have multiple gateways to the same grid. Also, clients will > automatically > choose the nodes that respond fastest to download from, which are likely > to be nodes on > the nearest site in the situation you describe. > > What is not currently supported for this use case is to guarantee an even > distribution > of shares between sites. Also, if you have a mobile computer there is no > way to > automatically get it to connect to the nearest gateway. > > thanks, so if we want to achieve this, just selects the propotional servers in site A and B may not work well if some nodes did not accept shares. but to adjust the peer selection algorithm seems not a easy way.
> -- > David-Sarah Hopwood ⚥ > > -- huangjun
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