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Dear all!

I'm sorry I have to ask this question to this mailing list, but I have not
been able to find sufficient and conclusive informaiton on the web. The
mailing-list archive at redhat seems not to be searchable.

What is the maximum size of a PV in LVM2?

I run linux 2.6.24 kernel (Ubuntu server 8.04 LTS, 32bit i386) with lvm2
2.02.26 and mdadm 2.6.3.
The kernel has CONFIG_LBD=y in its configuration.

I currently use a 2TB (just under 2TB, 1.98TB actually) raid5 array /dev/mdN
as the one and only PV in a VG. I would like to grow the array by addition
of another disk to 3TB and then expand the PV.

As far as I understand mdadm, on a kernel with LBD support it should be able
to create a blockdevice >2TB, but I am not sure that LVM2 will accept it as
a PV.

The LVM2-Howto on TLDP (http://tldp.org/HOWTO/LVM-HOWTO/lvm2faq.html)
confirms that LVs can be >2TB (16TB on 32bit OS, 8EB on 64bit OS), but says
nothing at all about PVs. Could somebody add that information?

thanx for support
kind regards,
Sulla

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