fuel 6.x ceph low disk space warning on controller

Bug #1466428 reported by Baboune on 2015-06-18
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Fuel for OpenStack
Medium
Fuel Sustaining
7.0.x
Medium
Fuel Python (Deprecated)
Mitaka
Medium
Fuel Python (Deprecated)
Newton
Medium
Fuel Sustaining

Bug Description

Hi,

Due to partitioning on the controller node, the ceph directory is located in a small partition. In a situation where the controller node has 700gb, the following is automatically created:
/dev/mapper/os-root 50G 38G 12G 77% /
/dev/sda3 196M 54M 141M 28% /boot
/dev/mapper/mongo-mongodb
                      668G 25G 610G 4% /var/lib/mongo

The result is this warning:
ceph status
    cluster 40b4db6d-beaf-4bef-b0a4-e4e1ac12e33d
     health HEALTH_WARN mon.node-55 low disk space
     monmap e1: 1 mons at {node-55=192.168.40.4:6789/0}, election epoch 1, quorum 0 node-55
     osdmap e666: 31 osds: 31 up, 31 in
      pgmap v41095: 2496 pgs, 12 pools, 40578 MB data, 5157 objects
            143 GB used, 25907 GB / 26050 GB avail
                2496 active+clean
[root@node-55 ~]# cd /var/lib/c

node-55 is the controller.

There are different possible solutions for this. I suppose one possible implementation would be to have a dedicated sizeable ceph partition. A quick fix is to ensure the mongodb gets less space by default in the Fuel controller.

Changed in fuel:
milestone: none → 6.1-updates
Changed in fuel:
assignee: nobody → Fuel Python Team (fuel-python)
importance: Undecided → Medium
Ivan Kliuk (ivankliuk) on 2015-06-19
Changed in fuel:
status: New → Confirmed
Dmitry Pyzhov (dpyzhov) on 2015-08-03
Changed in fuel:
milestone: 6.1-updates → 7.0
Changed in fuel:
importance: Medium → High
Vladimir Sharshov (vsharshov) wrote :

Covered by blueprint, that is why moved to 8.0: https://blueprints.launchpad.net/fuel/+spec/volume-manager-refactoring after discussion with Alexander Gordeev

Changed in fuel:
importance: High → Medium
tags: added: module-volumes
tags: added: covered-by-bp
Changed in fuel:
milestone: 7.0 → 8.0
Dmitry Pyzhov (dpyzhov) on 2015-10-12
no longer affects: fuel/8.0.x
Dmitry Pyzhov (dpyzhov) on 2015-10-22
tags: added: area-python

We passed SCF in 8.0. Moving the bug to 9.0.

Changed in fuel:
milestone: 8.0 → 9.0
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