Re: [gentoo-user] Getting maximum space out of a hard drive

[Andreas Fink]

On Thu, 18 Aug 2022 13:04:57 -0500
Dale <rdalek1967@×××××.com> wrote:

> Howdy,
>
> I got my 10TB drive in today.  I want to maximize the amount of data I
> can put on this thing and it remain stable.  I know about -m 0 when
> making the file system but was wondering if there is any other tips or
> tricks to make the most of the drive space.  This is the output of cgdisk.
>
>
> Part. #     Size        Partition Type            Partition Name
> ----------------------------------------------------------------
>             1007.0 KiB  free space
>    1        9.1 TiB     Linux filesystem          10Tb
>             1007.5 KiB  free space
>
>
> I'm not sure why there seems to be two alignment spots.  Is that
> normal?  Already, there is almost 1TB lost somewhere.  Any way to
> increase that and still be safe?  Right now, I've ran the short test and
> it is chewing on the long test.  It will be done around 7AM tomorrow, 19
> or 20 hours to complete.  As it is, there's no data on it or even a file
> system either.  Now is the time to tweak things. 
>
> Any tips or ideas would be appreciated. 
>
> Dale
>
> :-)  :-) 
>

Ah yes, the good old harddisk marketing size calculating in base 1000,
while TiB is in base 1024.
In short:
1TB=1000^4 != 1TiB=1024^4

Do the math yourself, what 10TB should be in TiB, but it's in the
ballpark of 9.1TiB ;)