On 11 April 2018 at 11:12, Lennart Sorensen via talk <talk@gtalug.org>
wrote:

> On Wed, Apr 11, 2018 at 09:58:05AM -0400, Steve Petrie, P.Eng. via talk
> wrote:
> > Warm Greetings To GTALUG Members,
> >
> > This coming weekend (Friday 13 April 2018) I will be building my new
> desktop PC with the help of my friend who has built quite a few PCs for his
> employer.
> >
> > The new PC will be running debian Linux and will soon take over duties
> from an ancient Dell desktop PC running Windows XP (acquired new in March
> 2005)..
> >
> > I will post the final hardware configuration on PCPartPicker once the
> new PC is operational.
> >
> > * * *
> > * * *
> >
> > Meanwhile, I would like to ask GTALUG members please to itake a look at
> the partitioning configuraiton I am proposing for the 2 TB Western Digital
> HDD (best to stretch your email client window to defeat word wrap):
> >   ==> *** STANDARD LINUX ***
> >
> >      /device     partition
> >
> >   ==> linux normal boot #1: (current active version of linux os, will be
> recycled for next version)
> >      /dev/sda1   gpt001      ext2    ???    /boot
> >      /dev/sda2   gpt002      ext3     50    / (root), /bin, /dev, /etc,
> /initrd, /lib, sbin
> >
> >   ==> linux normal boot #2: (next version of linux os, will become
> current version)
> >      /dev/sda1   gpt003      ext2    ???    /boot
> >      /dev/sda2   gpt004      ext3     50    / (root), /bin, /dev, /etc,
> /initrd, /lib, sbin
> >
> >   ==> linux rescue boot:
> >      /dev/sda1   gpt005      ext2    ???    /boot
> >      /dev/sda2   gpt006      ext3     50    / (root), /bin, /dev, /etc,
> /initrd, /lib, sbin
> >   ------------------------------------------------------------
> -----------------------------
> >   150 GB + 3X boot
> >
> >   ==> linux temporary:
> >      /dev/sda3   gpt103      ext4     64    (swap1)
> >      /dev/sda4   gpt104      ext4     64    (swap2)
> >      /dev/sda5   gpt105      ext4     64    (swap3)
> >      /dev/sda6   gpt106      ext4    200    /tmp
> >   -------------------------------------------------
> >   392 GB
> >
> >   ==> linux permanent:
> >      /dev/sda7   gpt207      ext4    100    /var
> >      /dev/sda8   gpt208      ext4    100    /usr
> >
> >   ==> linux user permanent:
> >      /dev/sda9   gpt309      ext4    100    /usr/local
> >      /dev/sda10  gpt310      ext4    100    /home
> >   ----------------------------------------------------
> >   400 GB
> >
> >
> >   ==> *** USER-DEFINED ***
> >
> >      /dev/sda51  gpt551..557 ext4     75X7  /!_d ... /!_j (current,
> clone winxp partition structure, allow for growth)
> >      /dev/sda52  gpt599      ext4     70    /!~dell (WinXP archive C..J:
> ../winxp_c .. ../winxp_j (WinXP archive C..J))
> >   ------------------------------------------------------------
> ---------------------------------------------------------
> >   595 GB
> >
> >   ==> other operating systems:
> >      /dev/sda61  gpt661      ext4    ???    /._win7   virtualized
> windows 7
> >      /dev/sda62  gpt662      ext4    ???    /._win7_1
> >      /dev/sda63  gpt663      ext4    ???    /._dfly   virtualized
> dragonflybsd
> >      /dev/sda64  gpt664      ext4    ???    /._dfly_1
> >   ------------------------------------------------------------
> ----------------
> >   ??? GB
> >
> >   ==> ssd partitions:
> >      /dev/sda71  gpt771      ext4     --    /.~ssd01   (ssd partition) |
> total ssd
> >      /dev/sda72  gpt772      ext4     --    /.~ssd02   (ssd partition) |
> capacity
> >      /dev/sda73  gpt773      ext4     --    /.~ssd03   (ssd partition)
> |  256 GB
> >      ---------   ---------   ----   -----
>  -----------------------------------------------
> >   N/A GB
> >
> >   ==> allocated:                    1537 GB (+ 3x boot)
> >   ==> unallocated:                 + 463 GB (- 3x boot)
> >      ---------   ---------   ----   -----
>  -----------------------------------------------
> >   ==> Total HDD Capacity:           2000 GB
> > Note 1: Please be aware that I am a complete Linux newbie but with a
> software engineering background.
> >
> > Note 2: Hoping to be able to swap back and forth between an "active"
> version of Linux and the "next" version of Linux, by switching the roles of
> partitions   (gpt001, gpt002) <==> (gpt003,gpt004) .
> >
> > Note 3: Please be aware that I intend to maintain most of my
> user-related content in the seven (7) partitions gpt551..gpt557
> >
> > * * *
> > * * *
> >
> > Comments, criticisms, questions welcome.
>
> Do you actually work on your computer or do you spend all day shuffling
> bits of old OSs around?
>
> Where is the UEFI boot partition?
>
> I would never waste time or space on a rescue boot.  I have USB keys
> for that.
>
> I keep one OS linux installed and maintained.  I have never had a problem
> upgrading that needed a reinstall.  My Debian 2.0 install lasted until
> 486 support was dropped from Debian.  I forget what version that
> eventually was.  I keep one windows install.  I can't imagine a benefit
> of doing anything more complex and can think of a ton of reasons not to
> have more.
>
> As for virtualized, disk images are simpler and lets you thrown them
> all one one partition.  Sure raw partitions can have slight performance
> benefits, but are a lot less flexible.  If you want the performance and
> flexibility, use LVM not partitions.
>
> Why is there any ext3 involved?  I can understand ext2 for a small boot
> partition, but can't think of any good reason to use ext3 for anything
> these days.  ext4 is just better now.
>

I'm with Len - simplify if you can.  Although Unlike him, I believe you
should have at least two (Linux) OS partitions - if one is messed up, you
can boot from the other to fix it.  And I've also - more than once - had to
tinker with two OSes (usually Debian vs. Fedora) to figure out which worked
best on a particular machine.  So I always have at least two OS
partitions.  And in the name of simplicity, each OS partition includes its
own /var, /usr, /usr/local ... the only separate partitions are swap and
/home, because I want that to be separate and accessible to each of the OS
partitions - and separate and not affected by OS upgrades.  These days it
seems you want a /boot partition though - but I'm not the one to explain
the ins and outs of that.

As Len suggested - and particularly since it sounds like you're going to do
a lot of partition tinkering - use LVM.  It's a pain in the ass to get your
head around (new terminology and a lot of commands), but it offers a great
deal of flexibility that you don't get with raw partitions.

-- 
Giles
https://www.gilesorr.com/
giles...@gmail.com
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