Comments (5)
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from node_exporter.
On my machines, I have noticed the following redundant filesystems:
- device="none",fstype="selinuxfs",mountpoint="/selinux"
There is even no such mountpoint shown in "df" output. Something must be related to SELINUX. - device="rootfs",fstype="rootfs",mountpoint="/"
Not sure what it stands for but I have another normal device for mountpoint /, for example:
device="/dev/mapper/rootvg-rootlv",fstype="ext4",mountpoint="/"
It would be great to have an option to ignore certain fstypes, e.g. fstype!~"rootfs|selinuxfs"
from node_exporter.
rootfs
Is is part of the kernel boot process that's usually mounted over. https://www.kernel.org/doc/Documentation/filesystems/ramfs-rootfs-initramfs.txt explains. It's basically a tmpfs.
Considering all the problems we're seeing with users running the node exporter in Docker, is this something we want to support long term? Doing machine-level monitoring in something designed to provide isolation from the machine seems a bit odd to me.
from node_exporter.
Right now (I'm running the nightly node-exporter nightlies that @brian-brazil provides) this seems to kill all node_filesystem_*
stats. I think ignoring errors from statfs calls would be better. Or perhaps making a node_filesystem_statfs_error metric?
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We're ignoring errors from filesystems now, so this should be mostly okay now.
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