lvm limitations on RedHat 4 AS
abliss at brockport.edu
Fri Jan 23 14:46:12 UTC 2009
I found these figures; can anyone confirm?
For 2.4 based kernels, the maximum LV size is 2TB. For some older kernels,
however, the limit was 1TB due to signedness problems in the block layer.
Red Hat Enterprise Linux 3 Update 5 has fixes to allow the full 2TB LVs.
Consult your distribution for more information in this regard.
. For 32-bit CPUs on 2.6 kernels, the maximum LV size is 16TB.
. For 64-bit CPUs on 2.6 kernels, the maximum LV size is 8EB. (Yes,
that is a very large number.)
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
On Behalf Of Aaron Bliss
Sent: Friday, January 23, 2009 9:42 AM
To: 'General Red Hat Linux discussion list'
Subject: lvm limitations on RedHat 4 AS
I'm familiar with managing logical volume groups and logical volumes on
RedHat boxes, however I've been unable to find out what the maximum size a
logical volume group and logical volume can be. Does anyone have any tech
specs or links on this? Thanks.
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