[sheepdog-users] is --nohalt dangerous?

Dietmar Maurer dietmar at proxmox.com
Wed Jul 18 10:43:51 CEST 2012


> > No, it can't.
> >
> > 0       1      2     3
> > +       -      -     + <-- lost the updates.
> > +  -->  + -->  - --> #
> > +       +      -     # <-- permanently down.
> >         ^
> >         |
> >      These two nodes has the latest data.

I still do not really understand that behavior. I think 
any write/read operation should require 'quorum'.

(i.e. if you have copies=3, at least 2 nodes need to be online).

That would completely prevent those errors?

- Dietmar








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