Hello again, This patchset is for dmraid-1.0.0.rc15 and NOT for kernel. It contains the following three patches to make dmraid use alt_size if available. 0001-dmraid-set-read_info-to-offset-by-default-in-read_.patch 0002-dmraid-add-alt_size-to-dev_info.patch 0003-dmraid-make-nv-use-alt_size-if-available.patch Thanks. -- tejun