Hi,
I created a swift cluster and configured the rings like this...
swift-ring-builder object.builder create 10 3 1
ubuntu-202:/etc/swift$ swift-ring-builder object.builder
object.builder, build version 12
1024 partitions, 3.000000 replicas, 1 regions, 4 zones, 12 devices, 300.00
balance
The minimum number of hours before a partition can be reassigned is 1
Devices: id region zone ip address port replication ip
replication port name weight partitions balance meta
0 1 1 10.3.0.202 6010
10.3.0.202 6010 xvdb 1.00 1024 300.00
1 1 1 10.3.0.202 6020
10.3.0.202 6020 xvdc 1.00 1024 300.00
2 1 1 10.3.0.202 6030
10.3.0.202 6030 xvde 1.00 1024 300.00
3 1 2 10.3.0.212 6010
10.3.0.212 6010 xvdb 1.00 0 -100.00
4 1 2 10.3.0.212 6020
10.3.0.212 6020 xvdc 1.00 0 -100.00
5 1 2 10.3.0.212 6030
10.3.0.212 6030 xvde 1.00 0 -100.00
6 1 3 10.3.0.222 6010
10.3.0.222 6010 xvdb 1.00 0 -100.00
7 1 3 10.3.0.222 6020
10.3.0.222 6020 xvdc 1.00 0 -100.00
8 1 3 10.3.0.222 6030
10.3.0.222 6030 xvde 1.00 0 -100.00
9 1 4 10.3.0.232 6010
10.3.0.232 6010 xvdb 1.00 0 -100.00
10 1 4 10.3.0.232 6020
10.3.0.232 6020 xvdc 1.00 0 -100.00
11 1 4 10.3.0.232 6030
10.3.0.232 6030 xvde 1.00 0 -100.00
Container and account rings have a similar configuration.
Once the rings were created and all the disks were added to the rings like
above, I ran rebalance on each ring. (I ran rebalance after adding each of
the node above.)
Then I immediately scp the rings to all other nodes in the cluster.
I now observe that the objects are all going to 10.3.0.202. I don't see the
objects being replicated to the other nodes. So much so that 202 is
approaching 100% disk usage, while other nodes are almost completely empty.
What am I doing wrong? Am I not supposed to run rebalance operation after
addition of each disk/node?
Thanks in advance for the help.
--
-Shyam
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