On Tue, Jun 03, 2008 at 02:38:12PM +0200, Attila Fülöp wrote:
> Pasi Kärkkäinen wrote:
> >On Mon, Jun 02, 2008 at 05:32:37PM -0700, Hemant Shah wrote:
> >>Folks,
> >>
> >>I know this is not a Linux forum, but I guess that bacula users probably 
> >>use Linux with large disk space. I was rebuilding my backup server 
> >>because I added extra 1TB of disk space and my total RAID size increased 
> >>to 2.5TB. Linux had problem problem booting from volume > 2TB.
> >>
> >>I have 3ware RAID adapter and have 7 500GB drives in RAID 6 config. I 
> >>created a boot volume of 100GB and gave rest to bacula.
> >>
> >>I am not able to install Fedora 8 or 9 on it. After selecting the 
> >>software to install, the process stop with error that is cannot find 
> >>repository. I downloaded fedora 9 DVD but it failed. Then I tried Fedora 
> >>8 from the DVD that I had previously used to install Linux on the same 
> >>bacula server, but that fails too. 
> >>Anyone know what could be wrong?
> >>
> >
> >Always have a small disk for the operating system (that is less than 2 TB),
> >and have separate data disk..
> >
> >Normal partition tables can't support disks bigger than 2 TB, so you need 
> >to
> >have a GPT partition table on your data disk.
> 
> Well not excatly true. The problem is that the number of sectors are 
> recorded in
> a 32 bit quantity. With 512b sectors 2TB is the most you can get. Our 
> hardware raid
> supports sectorsizes up to 4k which will get you 16TB. Probably 3com 
> supports this
> too. We use 2k sectors without any problems.
> 

Yep, this is true. 

-- Pasi


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