HPUX LVM logical volume size limit

2TB is the max size for a logical volme and file system on 11.23,
unless some patches are installed:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=459574&prodTypeId=18964&objectID=c02742533

with the patches or on 11.31 it's 16TB