Hi All,
We have a distributed gluster filesystem across 2 servers. We recently
realized that one of the servers (mseas-data3) has 2 hostnames for the
other server (mseas-data2). One of these is on an external port that we
rarely use. When that port went down following a power outage, we ended
up in a weird state where the gluster filesystem was being served to the
rest of the cluster but (a) mseas-data3 kept indicating that mseas-data2
was disconnected in response to "gluster peer status" and (b) we kept
having to restart the glusterd daemon on mseas-data3. Since we don't
use the external port much and didn't think gluster used it at all it
was a while before we diagnosed the problem.
Now we would like to expunge that external hostname by making the
following changes
_Current setting on MSEAS-DATA3_
/var/lib/glusterd/peers/c1110fd9-cb99-4ca1-b18a-536a122d67ef
uuid=c1110fd9-cb99-4ca1-b18a-536a122d67ef
state=3
hostname1=MSEAS-DATA2.MIT.EDU
hostname2=mseas-data2
_Proposed change on MSEAS-DATA3_
/var/lib/glusterd/peers/c1110fd9-cb99-4ca1-b18a-536a122d67ef
uuid=c1110fd9-cb99-4ca1-b18a-536a122d67ef
state=3
#hostname1=MSEAS-DATA2.MIT.EDU
hostname1=mseas-data2
(manually changing a configuration file). Is this the correct
approach? Do we need to make this change in additional files as well?
Do we need to bring down the volume and daemons first?
Any advice will be greatly appreciated
Thanks
Pat
--
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Pat Haley Email: pha...@mit.edu
Center for Ocean Engineering Phone: (617) 253-6824
Dept. of Mechanical Engineering Fax: (617) 253-8125
MIT, Room 5-213 http://web.mit.edu/phaley/www/
77 Massachusetts Avenue
Cambridge, MA 02139-4301
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