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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I am trying to setup a new sheepdog cluster. I am using version 0.6.0.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have currently 2 host for the start, but the cluster should grow to 4 and more nodes.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Since I cannot change the number of copies later on (as far as I can tell from studying posts from the list), I tried to format the cluster with 3 copies. This causes “IO has halted as there are too few living nodes”. So I reformat with copies = 2 and everything works fine, but if one node goes down I again get “IO has halted as there are too few living nodes”.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>My expectation was that the number of copies specifies how many times the same block will be saved to a different node (or zone). So if I specify 3 copies, it will still work if maximum 2 nodes goes down in my cluster, because there is always a third node to pick up the data.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I case of my two node test, I would have expected to continue to work, because if I have 2 copies and 2 nodes, there needs to be all data on both nodes, so if one of them fails the data is still on the other node.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I would be very happy if somebody can enlighten me how the number of copies and the number of online nodes are related.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks & Regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Gerald<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>