[Gluster-users] Can you re-ip servers in a gluster brick without breaking it?

Ray Powell rpowell1 at uchicago.edu
Mon Sep 16 20:39:23 UTC 2013


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Howdy,
   We need to re-ip the servers that make up a gluster volume.
Unfortunately when they were setup I was stupid and did not use
hostnames and instead specified each brick in the volume by ip.  Ex
10.103.114.4:/exports/DATA 10.103.114.5:/exports/DATA ...
10.103.114.X:/exports/DATA

  Can I just stop gluster services on every server, search/replace the
contents of /var/lib/glusterd/vols and /var/lib/glusterd/peers, then
restart everything?  My fear is the hostname (IP) is important to
something in DHT or the metadata written to the bricks xattrs.




- -- 
Raymond Powell
Systems Administrator
Laboratory for Advanced Computing
University of Chicago, KCBD 10160
900 East 57th Street
Chicago, IL 60637
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