[Gluster-users] Best Practices for different failure scenarios?
purpleidea at gmail.com
Wed Feb 19 20:15:37 UTC 2014
On Wed, Feb 19, 2014 at 3:07 PM, Michael Peek <peek at nimbios.org> wrote:
> Is there a best practices document somewhere for how to handle standard
> problems that crop up?
Short answer, it sounds like you'd benefit from playing with a test
cluster... Would I be correct in guessing that you haven't setup a
gluster pool yet?
You might want to look at:
This way you can try them out easily...
For some of those points... solve them with...
> Sort of a crib notes for things like:
> 1) What do you do if you see that a drive is about to fail?
> 2) What do you do if a drive has already failed?
> 3) What do you do if a peer is about to fail?
Get a new peer ready...
> 4) What do you do if a peer has failed?
Replace with new peer...
> 5) What do you do to reinstall a peer from scratch (i.e. what
> configuration files/directories do you need to restore to get the host
> back up and talking to the rest of the cluster)?
Bring up a new peer. Add to cluster... Same as failed peer...
> 6) What do you do with failed-heals?
> 7) What do you do with split-brains?
These are more complex issues and a number of people have written about them...
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