LINUX

Oracle Linux 8: Block Device Names changing

Today I went to start a db on my Oracle Linux 8 server and had this error: Checking the database filesystem, I see the contents are from /boot: What is happening?? This behavior matches “Oracle Linux: Kernel Block Device Names changing, Order Became Non-deterministic (Doc ID 2899803.1)” so I did: done!

df vs. du: why so much difference?

Sometimes you might get an incident for high usage on a filesystem. You check and yes, filesystem usage is high, but ‘du’ (disk usage) if different. why? Some explanations might say: they don’t use the same methods or metrics to calculate what they are reporting.Yes, that’s true, but pretty much outputs should be the same.If... » read more