[fpc-pascal] Size of a partition

Mark Morgan Lloyd markMLl.fpc-pascal at telemetry.co.uk
Fri Dec 19 15:15:22 CET 2014

Rainer Stratmann wrote:
>  On Thursday 18 December 2014 22:49:08 you wrote:
>> On 12/18/14, Rainer Stratmann <rainerstratmann at t-online.de> wrote:
>>> How to get the total size of an unmounted partition in Linux?
>> Can you use the info at
>> http://serverfault.com/questions/190685/whats-the-best-way-to-get-info-abou
>> t-currently-unmounted-drives ?
>> Just googled you question ;-)
> Thanks, it is may interesting.
> Better would be a syscall.

I think this is a question that doesn't have a straightforward answer. 
For example, you refer to an "unmounted partition", but partitions 
aren't mounted: filesystems are mounted, and without knowing the type of 
filesystem you don't know how much overhead is associated.

The canonical program that looks at partition sizes is fdisk, and 
painful experience has taught me that different fdisk implementations 
can return different results. Sometimes the differences are subtle, 
sometimes not.

Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]

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