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From Anthony Molinaro <antho...@alumni.caltech.edu>
Subject Re: Cassandra backup and restore procedures
Date Thu, 19 Nov 2009 19:32:57 GMT
Done, https://issues.apache.org/jira/browse/CASSANDRA-564

On Thu, Nov 19, 2009 at 01:17:16PM -0600, Jonathan Ellis wrote:
> Currently, no.  Feel free to open a ticket.  It would be fairly easy
> to make the decommission code in trunk handle this.
> 
> On Thu, Nov 19, 2009 at 1:13 PM, Anthony Molinaro
> <anthonym@alumni.caltech.edu> wrote:
> > So, is there anyway to recover if you can't guarantee the same IP address?
> > Since we are running on EC2 (as I'm sure are others on the list), and there
> > is no way to make this guarantee.
> >
> > Is this sort of recoverability on the roadmap anywhere?
> >
> > Thanks,
> >
> > -Anthony
> >
> > On Wed, Nov 18, 2009 at 01:50:20PM -0600, Jonathan Ellis wrote:
> >> No, bootstrap is currently only for adding new nodes, not replacing dead ones.
> >>
> >> On Wed, Nov 18, 2009 at 1:47 PM, Simon Smith <simongsmith@gmail.com> wrote:
> >> > I'm sorry if this was covered before, but if you lose a node and
> >> > cannot bring it (or a replacement) back with the same IP address or
> >> > DNS name, is your only option to restart the entire cluster?  E.g. if
> >> > I have nodes 1, 2, and 3 with replication factor 3, and then I lose
> >> > node 3, is it possible to bring up a new node 3 with a new IP (and a
> >> > Seed of either node 1 or node 2) and bootstrap it?
> >> >
> >> > Thanks,
> >> >
> >> > Simon
> >> >
> >> > On Wed, Nov 18, 2009 at 2:03 PM, Jonathan Ellis <jbellis@gmail.com>
wrote:
> >> >> Tokens can change, so IP is used for node identification, e.g. for
> >> >> hinted handoff.
> >> >>
> >> >> On Wed, Nov 18, 2009 at 1:00 PM, Ramzi Rabah <rrabah@playdom.com>
wrote:
> >> >>> Hey Jonathan, why should a replacement node keep the same IP
> >> >>> address/DNS name as the original node? Wouldn't having the same
token
> >> >>> as the node that went down be sufficient (provided that you did
the
> >> >>> steps above of copying the data from the 2 neighboring nodes)?
> >> >>>
> >> >
> >
> > --
> > ------------------------------------------------------------------------
> > Anthony Molinaro                           <anthonym@alumni.caltech.edu>
> >

-- 
------------------------------------------------------------------------
Anthony Molinaro                           <anthonym@alumni.caltech.edu>

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