[Users] Re: openvz with OCFS2

[Aleksandar Ivanisevic]

frank <frank at si.ct.upc.edu> writes:

> Al 11/01/11 18:00, En/na users-request at openvz.org ha escrit:
>> From: Aleksandar Ivanisevic
>> <aleksandar at ivanisevic.de> "Frank"
>> <frank at si.ct.upc.edu> writes:
>>> >  We use pacemaker to start/stop VEs and to be sure they only run on one
>>> >  node. Anyway crashes happen periodicly. We have about 40 VEs
>>> >  distributed
>> Pacemaker is nice, but if it fails (think split brain), there is
>> really nothing to prevent data loss.
> Of course there is, is stonith
>> How do you handle split brain on a shared volume when you have half of
>> VEs running on each side?
>>
>> [...]
> We use pacemaker with heartbeat ans stonith, and thats the way to
> prevent split brain.

Sorry, looks like I wasn't clear enough. stonith asumes HA cluster,
but i'm talking about a load balancing cluster. Most of the time I
can't afford killing a node.

-- 
Ti si arogantan, prepotentan i peglaš vlastitu frustraciju. -- Ivan
Tišljar, hr.comp.os.linux