Grafana reporting 171% available disk space
robertofabrizi opened this issue · comments
Bug Report
What did you do?
Deployed swarmprom in my Swarm cluster, logged into Grafana, and noticed that the available disk space exceeds 100%
What did you expect to see?
A value lower or at most equal to 100%
What did you see instead? Under which circumstances?
171%, every time
Is it a bug in the node-exporter data?
The df -h of the first of the two nodes is:
[msadmin@MS-DSC1 ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 30G 4.1G 26G 14% /
devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 377M 3.6G 10% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/sda1 497M 105M 392M 22% /boot
/dev/sdb1 16G 45M 15G 1% /mnt/resource
//msshare.file.core.windows.net/msshare 5.0T 8.5M 5.0T 1% /mnt/msshare
tmpfs 797M 0 797M 0% /run/user/1000
and the second is virtually identical.
Thank you,
Roberto
I had this problem, a while ago. The kernel on that node was old and was reporting different value than node_exporter was expecting.
@mterzo I'm finding it hard to understand why CentOS / RHEL come with the kernel 3.10, which has caused us a pletora of issues, this being the smallest one, the cgroup leak leading to kernel panics the biggest one...
The issue has been resolved by updating to the latest lt 4.4.x kernel from elrepo.