how to use more disk space

Posted on 2002-03-14
Last Modified: 2013-12-05
We are using firewall cyberguard running on dynosaurus SCO unixware 2.3.1.
As any old OS, it doesn't support more than 2Gb file system size.
We are using a RAID 5 with 36 Gb available.
Is there a way to create more slices or to use more disk space once the OS has been installed?
Question by:jemelle

Expert Comment

ID: 6864673

1) Use ulimit -f 4000000 to temporarily increase the size

2) vi /etc/default/login file, and increase the ULIMIT parameter to 4000000

These might work, I've not used SCO since the war though mind.

Please let me know if these were of any use.


Expert Comment

ID: 6865265
I think it's a FS limitation, not a configuration problem.

You'd probably have to get an updated kernel to overcome this.

About all you can do is setup a bunch of 2 GB partitions and apply some tricky mount point scheme.

Remember, you can mount partitions on top of other partitions as long as you do them in the right order.

So for instance, you could have:


all as seperate partitons.

Another thing you can do is create some generic mount points and use softlinks when needed:


Then suppose /home started getting close to full, you could move like /home/ftp to /disk1 and create a link called "ftp" in /home pointing to /disk1/ftp.

LVL 14

Expert Comment

ID: 6865266
You should be able to create more disk slices with fdisk.  I think there might also be a nice GUI utility to build filesystems in the slices once you create the slices, but my UnixWare memory is hazy at best.

Considering that the software version of Cyberguard hasn't been supported for a while, nor has UnixWare 2.x, you might want to seriously consider moving to something newer!

If the project must cost $0, consider running OpenBSD on your existing hardware.

Otherwise, for still not very much money you could go with one of the low-end appliances from, Netscreen, or even Cyberguard.
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LVL 14

Expert Comment

ID: 6865556
Oh yeah, and another thing....

Since this is a firewall, why would you possibly want more usable disk space anyway?  The only thing I can think of is for logs, but if you have more than a few hundred meg/day of logs you shoulnd't be running such a dinosaur firewall.
LVL 20

Expert Comment

ID: 7621391
No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:
- PAQ & refund points

Please leave any comments here before 13/1/2003


tfewster (I don't work here, I'm just an Expert :-)

Accepted Solution

SpideyMod earned 0 total points
ID: 7805269
per recommendation

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