Quote:
Originally Posted by jggimi
First:
I don't have any opinion about the sizes you've selected, since storage needs are entirely dependent upon the use of the system. For example, that 850GB /home partition may sit nearly empty and unused. Or, the 850GB may not be enough. It depends what you plan to use the partition for. Or any of the partitions. Keep in mind: you do not need to pre-allocate space if you do not yet know what your needs are.
- Re-allocating system partitions must be done in single-user mode, since you can't "move" data in use by running services, and you certainly would not want to force umount(8) a filesystem with files open for writing.
- Re-allocating a root partition requires booting the RAMDISK kernel, as discussed above.
Second:
Your service provider has given you a 5GB system in a single partition., apparently pre-configured. That may or may not be enough space for your intended "system" even if application data is stored in other, new partitions. Talk to them.
- They provide your server to you.
- You pay them.
- They know what they did.
- They know why they did what they did.
- They may have recommendations, which should supersede any advice you get from a bunch of OS users on the Internet.
All very good reasons to speak with them first. 
Third:
I recommend you install this OS on a hardware platform you control yourself. One that you can touch and feel. Where you can practice, safely make administrative mistakes, and learn.
A remote platform out of your operational control is not conducive to learning.
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jggimi's Third quote is especially useful for newbies.
Used industrial hardware is cheap.
In my area you can pick up an IBM or HP
server for under $100. These servers offer speeds
of 1 to 3 ghz, hot swap scsi hd's, dual pwr supplies, multiple
nic cards, reasonable monitor resolition, ps2 or usb mice and
keyboards, rack mounted, hardware raid, expandable memory, etc.
They are designed for web hosting, data transfer, sftp, ssh, from
the gitgo, and their performance is designed for continuous industrial use.
The majority of these servers are
very compatible with the BSD and Linux world.
(most are just not leading edge enough for those who care)
I currently run several IBM series 330e's (relatively quiet and eff),
for web service and data storage. Oscasionally I run up to 4 HPDL
series 360 and 380's, but they like the amps and produce alot of
noise.
As a newbie I can't imagine the amount of time I would
have spent if I had to deal with hd being physically
located/hosted elsewhere.
Having hands on capability encourages experimentation!
The results, although not without pain sometimes, do lend
themselves to being characterized as learning. Simply re-install the OS,
and try something different..........
"You do back up your data, right?"
Security,,,,,,having physical access control will indeed enhance it.
Too many references to list here.....
Although it may be a necessary step now, communicating
with a hosting co, takes away time and resourses that could
be applied to becomming more proficient with OpenBSD