On Sat, 1 Jan 2005, Steve Lamb wrote:
> Alvin Oga wrote:
> > if i understood correctly, the original question was dealing with
> > partitions ...
>
> This is true. But if he's already installed (which he has) those
> partitions are populated. Now, I'm not saying that the original poster is a
> complete neophyte as to think the data would move with the fstab entry but
> this list is archived and people do search it so an incomplete answer of
> switching the partitions without also mentioning that the user needs to move
> the data around as well might be a gotcha for someone else in the future.
> Best to be clear that the data needs to be moved by the user as well as the
> fstab entries being switched. :)
given /home has the correct home data and is say 2GB on say /dev/hdaxxx
given /usr has the correct usr data and is say 10GB on say /dev/hdayyy
if as in the original reply, to simply "swap the /home and /usr partition"
- there is two possible answers...
a) change the mount points only ...
( for simple swap partitions ( as mount points ) where the data
( is in the correctly sized partitions
==
== it's a common problem for installing a new distro
== into the wrong partition because one forgot which
== one was assigned what size ??
== ( double checking would have prevented it )
==
with current: /etc/fstab
-------------------
/dev/hdaxxx /home ( has /home/X11R6, /home/bin, /home/sbin )
/dev/hdayyy /usr ( has /usr/tom /usr/dick /usr/harry )
New fstab with Swapped partitions ( mount points )
---------------------------------
/dev/hdaxxx /usr (is now /usr/X11R6 /usr/bin /usr/sbin )
/dev/hdayyy /home (is now /home/tom /home/dick /home/harry )
==>
==> no copying of data is needed
==>
all of the same "home" data that was on /dev/hdayyy is now still
as it was on /dev/hdayyy but is now called and accessed correctly
as /home/tom instead of /usr/tom like it was before
- the other is like you guys are doing, leaving the mount points the
same and moving the data from one partition to another is a lot more
work ( that may or may not be needed, depending on the desired partition
size for each /usr and /home )
- moving data is messy but is trivial 2 command lines if one has
the space for holding both at the same time
- trick question is ...
how much space is needed in /home vs /usr and is it
worth fixing by moving data from one partition into the other
- simple swapping of mount point is trivial, if the data is
in the correct sized partitions
=
= swapping mount points is a complete solution
= as was previously posted
=
c ya
alvin
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