LVM problems with RHEL AS4u3

[Mark Haney]

I'm running EL AS 4 Update 3 on a server that has two 3ware SATA RAID 
cards.  The total space on the drives is 4TB.  I'm trying to build a VG 
to combine the 2 arrays into one and I get this error when running lvcreate:

root at blackrock ~]# lvcreate -l 715252 VolGroup0 -n LogVol0
  device-mapper: deps ioctl failed: Invalid argument
  _deps: task run failed for (253:1)
  Failed to add device (253:1) to dtree
  Failed to activate new LV.

Does anyone know what the deal is and how to fix it?  Any help would be 
appreciated.


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Mark Haney
Sr. Systems Administrator
ERC Broadband
(828) 350-2415