add fuller answer to Q25 share spreading
[Imported from Trac: page FAQ, version 70]
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@ -167,8 +167,7 @@ Also,assuming at least some of your nodes are on same LAN and others are widely
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And total number of nodes is not too big. And all your nodes under your control(at least - they are VPSes/Servers which are in your/friends you trust to pay in time name).And - if some storage nodes are permanently down - you can reconfigure gateways you use manually and run repair.
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Please note, it's much better to have nodes with roughly same space(500Gb and 5Gb in same grid is not a good idea,if you for some odd reason must have them both - read <http://bigpig.org/twiki/bin/view/Main/VolunteerGrid2Philosophies> and think again,if you still think you must - don't count them in S in below calculations)
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Let's say S=number_of_nodes), setup k=3,N=S,h=N-2,
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use N=number_of_nodes_total, h=N-2
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Let's say S=number_of_nodes), setup k=3,N=S,h=N-2, use N=number_of_nodes_total, h=N-2
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following links can also be helpful:
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@ -177,5 +176,4 @@ following links can also be helpful:
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**<a name="Q25_sharespreading">Q25:</a> Is there a process or command to make shares spread to new storage servers?**
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A:
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No. Not yet. ;) Such a process will probably be implemented and there is a ticket ([#232](https://tahoe-lafs.org/trac/tahoe-lafs/ticket/232), [#1657](https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1657), [#699](https://tahoe-lafs.org/trac/tahoe-lafs/ticket/699), [#661](https://tahoe-lafs.org/trac/tahoe-lafs/ticket/661), [#543](https://tahoe-lafs.org/trac/tahoe-lafs/ticket/543)) for it.
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A: This is called "rebalancing". It isn't currently implemented, but the repair function can accomplish a similar result sometimes. Repair of immutables will upload shares to servers if necessary to reach "servers-of-happiness", which sometimes has the desired effect of uploading shares to newly added servers. Repair of mutables never uploads new shares. Here are tickets about improving rebalancing behavior: #232, #1657, #699, #661, #543.
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