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Re: from / to /usr/: a summary



On Wed, 21 Dec 2011, Tanguy Ortolo <tanguy+debian@ortolo.eu> wrote:
> I tend to agree. At least, this is how I interpret the FHS, and it seems
> appropriate to me. Although it may not be useful in most cases, I do not
> see it as harmful.

The harm is if it takes us extra development time because other distributions 
don't support it, provide configuration options for it, or test it.

http://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard
http://en.wikipedia.org/wiki/History_of_hard_disk_drives#Timeline

The FSSTD started in 1994 when 1GB was a big hard drive.  It became known as 
the FHS in 1997 when 10G was a big drive.  The last FHS release was in 2004 
when 100G was a big drive.

Nowadays 100G disks are small by laptop standards and for desktops 1TB is 
about the smallest that anyone would buy.

During the same time period there has been a lot of work on filesystem 
technologies to support larger storage (both directly through addressing 
limits and indirectly through fsck speed etc).

Finally there has been development of OS technology such as a tmpfs for /dev 
and the recent addition to Testing and Unstable of a tmpfs for /run which 
reduces the use of the root filesystem.

Things have changed a lot since the FSSTD first came out.

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