I found finally solution: with 2.5.0 branch comes zfs 6.2, so to recompile with newer kernel: rpmbuild --rebuild -without ldiskfs -with zfs lustre-2.5.0-2.6.32_358.18.1.el6_lustre.x86_64.src.rpm Probably would be good to have some chapter in documentation for this steps. thanks Arman. On Sat, Nov 23, 2013 at 9:34 PM, Arman Khalatyan <arm2arm(a)gmail.com&gt; wrote: