[Gluster-users] Replica 2 to replica 3
valerio.luccio at nyu.edu
Thu Apr 9 14:16:47 UTC 2020
I'm afraid I still need some help.
When I originally set up my gluster (about 3 years ago), I set it up as
Distributed-Replicated without specifying a replica count and I believe
that defaulted to a replica 2. I have 4 servers with 3 RAIDs attached to
each server. This was my result:
Number of Bricks: 6 x 2 = 12
If I understand this correctly I have 6 sub-volumes with Brick2 replica
of Brick1, Brick4 of Brick3, etc. Correct ?
I realize now that it would probably have been better to specify a
different order, but now I cannot change it.
Now I want to store oVirt images on the Gluster and it requires either
replica 1 or replica 3. I need to be able to reuse the bricks I have and
was planning to remove some bricks, initialize them and add them back as
a replica 3.
Am I supposed to remove 6 bricks, one from each sub-volume ? Will that
work ? Will I lose storage space ? Can I just remove a brick from each
server and use those for the replica 3 ?
Thanks for all the help.
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