I don't know if that changed but it used to be that zipl could safely boot from LVM that was on only one physical volume. See this older discussion for details: http://www.mail-archive.com/linux-390%40vm.marist.edu/msg62491.html
Tomas Tomas Pavelka CA Technologies Sr Software Engineer CA CZ, s.r.o V Parku 12, 148 00 Praha Czech Republic Office: +25996 | tomas.pave...@ca.com Id. Císlo 25694073, z obchodního rejstříku, vedeného Městským soudem v Praze, oddíl C, vložka 61808 / Id. No. 25694073, registered in the Commercial Register maintained by the Municipal Court in Praque, Section C, File 61808 ---------------------------------------------------------------------- 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 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/