[tahoe-dev] A simple 2 nodes replication

thierry dijoux tjr.dijoux at gmail.com
Thu Feb 14 15:48:45 UTC 2013


After some investigations rebalance seems to work.

Here is the test :

stop the 2nd node.
Upload a file on node 1.
Starting node 2 and do a "check --repair" => nothing.
Now, in node1, rm .tahoe/storage/shares/de/derbnumtsxwu7rhydpxtxizd5y/1 and
do a check --repair, the file is created on node2.
I supposed the files named 0 and 1 corresponding to the index of node (in
my case 0 => node1 and 1=>node2)

May i right or wrong ? I've only got 4 files, so it was "easy", but how to
achieve this with tons of files ?


2013/2/14 Paul Rabahy <prabahy at gmail.com>

> It looks like https://tahoe-lafs.org/trac/tahoe-lafs/ticket/699 is
> related.
>
>
> On Thu, Feb 14, 2013 at 10:01 AM, Greg Troxel <gdt at ir.bbn.com> wrote:
>
>>
>> thierry dijoux <tjr.dijoux at gmail.com> writes:
>>
>> > Thanks Paul for the reply.
>> > Just did the test, and a "tahoe check --repair" doesn't rebalance the
>> file.
>> > I also try a deep-check --repair, no more success.
>>
>> I suspect it would be good to have two notions of "healthy", one based
>> on enough shares, and one based on meeting the distribution criteria.  I
>> see the "should be 1 and 1 but is 2 and 0" situation as scarier than
>> "should be 10 on 10 servers, but is 9 on 9 servers".
>>
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