[sheepdog-users] is --nohalt dangerous?
Liu Yuan
namei.unix at gmail.com
Thu Jul 19 07:56:32 CEST 2012
On 07/19/2012 12:38 PM, Dietmar Maurer wrote:
> No, because writes/updates are not allowed when you do not have quorum.
What I meant is following case:
3 nodes with 3 copies:
0 1 2 3
+ - - + <-- lost the updates.
+ --> + --> - --> #
+ + - # <-- permanently down.
^
|
These two nodes has the latest data.
Even with quorum, we can't handle this case.
Thanks,
Yuan
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