Finally I extracted MD5 with vm pipelines and the values obtained was pretty different:
at DvD image using Fsum Frontend calculator: File: C:\Documents and Settings\Administrator\Desktop\sles11\boot\s390x\initrd md5: D994B62C41E7C501D8C5B412DBBDDE56 at zVM using pipelines : Extracting MD5 checksum from sles11 initrd d PIPINX086I CMS/TSO Pipelines, 5654-030/5655-A17 1.0111 (Version.Release/Mod) - G enerated 9 Jan 2009 at 14:49:00. Source: Princeton Runtime Distribution 5348309A38EA1809D58232F3A915CB7A Library details (zVM): LNXSUS11 FILELIST C0 V 169 Trunc=169 Size=4 Line=1 Col=1 Alt=0 Cmd Filename Filetype Fm Format Lrecl Records Blocks Date Time SLES11 EXEC D1 F 80 11 1 4/06/09 17:54:09 SLES11 INITRD D1 F 80 161217 3149 4/06/09 17:37:42 SLES11 IMAGE D1 F 80 84519 1223 4/06/09 17:37:17 SLES11 PARMFILE D1 F 80 1 1 4/06/09 17:17:00 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390