But, using simulated FBA minidisks incur higher CP overheads that letting Linux use the FCP channels.
2008/12/16 Alan Altmark <alan_altm...@us.ibm.com> > > On Tuesday, 12/16/2008 at 11:07 EST, Lee Stewart > <lstewart.dsgr...@attglobal.net> wrote: > > I speak EDEVs, but for various reasons EDEV is not a choice for this > > customer. They only have SAN disks - raw LUNs. (The VM system itself > > is installed on the few ECKD volumes -- all the Linuxen are on SAN > only.) > > Sorry, Lee; I misread your original post where you asked how RACF > *protects* FCP disks. It doesn't. CP doesn't allow ESMs to control > ATTACH/DEDICATE. (It's on the to-do list.) > > If they want RACF control over what guests can see the LUN, then they have > to use EDEVs, since that's the only way to get minidisks, where the ESMs > hold sway. > > Alan Altmark > z/VM Development > IBM Endicott -- Kris Buelens, IBM Belgium, VM customer support
