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Distribution: Ubuntu 9.04 X86_64 Desktop, 8.04 X86 Server
External Hard Drive Missing Space
I just bought a new Maxtor OneTouch 4 external usb hard drive. I deleted all the partitions on it and created a new Linux (83) partition and formatted it as ext3. It comes up as a total size of 463GB. DF says there are 199MB (1%) used, but says there are only 435GB free.
Sorry if this was posted already, I could not find it anywhere
Linux filesystems typically reserve space on the disk, to prevent true "disk full" problems and fragmentation. The 6% you have "lost" sounds about roght. You can vary this when you format though.
See man mklfs.ext3
Specify the percentage of the filesystem blocks reserved for the super-user. This avoids
fragmentation, and allows root-owned daemons, such as syslogd(8), to continue to function cor-
rectly after non-privileged processes are prevented from writing to the filesystem. The
default percentage is 5%.