As you said, it is a multi node setup. Which physical node is used when your VM is booting ? And how many disk did the VM image need when booting ? Those could be the next steps to check.
*Best Regards！* *Chao Yan--------------**My twitter：Andy Yan @yanchao727 <https://twitter.com/yanchao727>* *My Weibo：http://weibo.com/herewearenow <http://weibo.com/herewearenow>--------------* 2015-01-06 16:56 GMT+08:00 ppnaik <ppn...@cse.iitb.ac.in>: > Hi All, > I have a multi node setup of openstack juno on centos 7. After I > instantiate multiple VMs and check the nova-compute.log on compute nodes it > shows a negative value for free disks even though the the physical system > has a lot of free memory > > on the physical system. df -h > > Filesystem Size Used Avail Use% Mounted on > /dev/mapper/centos-root 50G 2.0G 49G 4% / > devtmpfs 16G 0 16G 0% /dev > tmpfs 16G 0 16G 0% /dev/shm > tmpfs 16G 281M 16G 2% /run > tmpfs 16G 0 16G 0% /sys/fs/cgroup > /dev/mapper/centos-home 865G 33M 865G 1% /home > /dev/sda1 494M 137M 358M 28% /boot > > nova-compute.log on compute node: > > 2015-01-06 11:00:28.756 8123 AUDIT nova.compute.resource_tracker [-] Total > physical ram (MB): 31911, total allocated virtual ram (MB): 17920 > 2015-01-06 11:00:28.756 8123 AUDIT nova.compute.resource_tracker [-] Free > disk (GB): -113 > 2015-01-06 11:00:28.757 8123 AUDIT nova.compute.resource_tracker [-] Total > usable vcpus: 16, total allocated vcpus: 10 > > What is the issue and how can I resolve it? Please help. > > Thanks, > > Priyanka > > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack >
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