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Old 01-02-2008, 09:11 PM   #1
LQ Newbie
Registered: Feb 2004
Location: Virginia
Distribution: Debian x86/SPARC
Posts: 29

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Seeing ext3 partitions > 2TB

I have a RAIDweb external RAID chassis which has a total of 3 terrabytes capacity on a CentOS 4.2 (kernel 2.6.9) server. Unfortunately, the raidweb can only do 2 TB per partition, so I created a 2TB and a 1.2TB partition, then created a logical volume...The disks are as follows:

Disk /dev/sdc: 2199.0 GB, 2199014866944 bytes
255 heads, 63 sectors/track, 267348 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1               1      267348  2147472778+  8e  Linux LVM

Disk /dev/sdd: 1295.1 GB, 1295133966336 bytes
255 heads, 63 sectors/track, 157457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdd1               1      157457  1264773321   8e  Linux LVM
So the first device is 2TB and the second is 1.2TB. The volume group is 3.18TB:

# vgdisplay vg01
  --- Volume group ---
  VG Name               vg01
  System ID             
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  2
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               1
  Max PV                0
  Cur PV                2
  Act PV                2
  VG Size               3.18 TB
  PE Size               4.00 MB
  Total PE              833067
  Alloc PE / Size       833067 / 3.18 TB
  Free  PE / Size       0 / 0
...however...Once I create an ext3 filesystem, it is only 1.2TB, as if it is not seeing sdc1.

Any idea why this is happening? Everything I am seeing says that the ext3 should be able to see either 4 or 8 TB.


Last edited by Storm16; 01-02-2008 at 09:23 PM.
Old 01-03-2008, 01:57 AM   #2
LQ Newbie
Registered: Jan 2008
Posts: 1

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Use 64bit OS and EFI


ext3, filesystem, size

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