[CentOS] creating partitions on a 2.7TB drive
tshubitz at mac.com
Tue Feb 23 15:48:33 UTC 2010
On Feb 23, 2010, at 9:38 AM, Khusro Jaleel wrote:
> I am trying to configure 2 identical servers, both are Dell Poweredge 2970 machines with 6 disks in them configured as a RAID 5 with one hotspare, and both give me 2.726TB of space after the RAID 5 is configured. There are slight differences between the BIOS versions and Firmware versions of the LSI disk controller, etc but I'm not sure that matters in this case.
I had this exact issue with the exact hardware and setup you describe above.
> So what is going on here?
I believe that the issue is with the Anaconda.
> Is the Ubuntu parted somehow buggy and allowing me to do something dangerous that I will regret later, or can I just ignore the label setting in parted and continue to setup Server "B" the same as "A" and hope for the best?
> I would appreciate any insights.
Here is what I ended up doing...
In the hardware RAID controller I setup a "virtual drive" of 50GB and another virtual drive made from the remaining space.
Here is a nice ASCII description of the RAID setup.
0 - 750GB SATA --- Global Hot spare
1 - 750GB SATA ----\
2 - 750GB SATA -----\
3 - 750GB SATA ------> RAID 5 == ~2.7 TB
4 - 750GB SATA -----/
5 - 750GB SATA ----/
VD = Virtual Disk
VD 0 (sda) - 50GB (boot volume [/boot, /, /home, /tmp, etc.])
VD 1 (sdb) - <remaining space> ("data" storage, /var)
After saving those changes within the RAID controller I then booted the CentOS 5.4 x86_64 installer and installed away.
Hope that helps.
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