[Bug 1642538] Update Released
James Page
james.page at ubuntu.com
Mon Jan 23 13:58:03 UTC 2017
The verification of the Stable Release Update for swift has completed
successfully and the package has now been released to -updates. In the
event that you encounter a regression using the package from -updates
please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.
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https://bugs.launchpad.net/bugs/1642538
Title:
swift-ring-builder rebalance - endless loop
Status in Ubuntu Cloud Archive:
Fix Committed
Status in Ubuntu Cloud Archive mitaka series:
Fix Released
Status in Ubuntu Cloud Archive newton series:
Fix Released
Status in Ubuntu Cloud Archive ocata series:
Fix Committed
Status in OpenStack Object Storage (swift):
Fix Released
Status in swift package in Ubuntu:
Fix Released
Status in swift source package in Xenial:
Fix Released
Status in swift source package in Yakkety:
Fix Released
Status in swift source package in Zesty:
Fix Released
Bug description:
There is an issue with swift-ring-builder and rebalancing under
certain conditions beginning in Mitaka.
Steps to reproduce:
Create a ring with part power of 12. 3 servers with 11 devices each, BUT 2 servers in zone 1 and one server in zone 2. After adding all devices as described above, swift-ring-builder <ring>.builder rebalance does not return and seems to run into an endless loop.
The weirdness starts with the 11th device, 10 devices still work. It
does not matter whether you add each 10 devices from the 3 servers and
rebalance, and than add the 11th device from each server afterwards or
do it all at once.
This behaviour does not exists in Liberty and starts with Mitaka.
For connivence I am adding the statements to reproduce:
swift-ring-builder account.builder create 12 3 1
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-01 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-02 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-03 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-04 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-05 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-06 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-07 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-08 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-09 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-10 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.60 --port 6002 --replication-ip 10.46.15.60 --replication-port 6002 --device swift-11 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-01 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-02 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-03 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-04 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-05 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-06 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-07 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-08 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-09 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-10 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.46.15.61 --port 6002 --replication-ip 10.46.15.61 --replication-port 6002 --device swift-11 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-01 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-02 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-03 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-04 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-05 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-06 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-07 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-08 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-09 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-10 --weight 100.00
swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.46.15.62 --port 6002 --replication-ip 10.46.15.62 --replication-port 6002 --device swift-11 --weight 100.00
swift-ring-builder account.builder rebalance
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