Linux file system is a very important monitoring indicators
df -h
| Filesystem | Size | Used | Avail | Use% | Mounted on |
|---|
| /dev/mapper/dev01-root | 75G | 58G | 14G | 82% | / |
| udev | 2.0G | 4.0K | 2.0G | 1% | /dev |
| tmpfs | 396M | 292K | 396M | 1% | /run |
| none | 5.0M | 0 | 5.0M | 0% | /run/lock |
| none | 2.0G | 4.0K | 2.0G | 1% | /run/shm |
| /dev/sda1 | 228M | 149M | 68M | 69% | /boot |
df -i
| Filesystem | Inodes | IUsed | IFree | IUse% | Mounted on |
|---|
| /dev/mapper/dev01-root | 4964352 | 4964352 | 0 | 100% | / |
| udev | 503779 | 440 | 503339 | 1% | /dev |
| tmpfs | 506183 | 353 | 505830 | 1% | /run |
| none | 506183 | 5 | 506178 | 1% | /run/lock |
| none | 506183 | 2 | 506181 | 1% | /run/shm |
| /dev/sda1 | 124496 | 255 | 124241 | 1% | /boot |