On Monday, 10/04/2010 at 11:01 EDT, Jean Nelson/Jacksonville/i...@ibmus wrote: > So we have 64 devices on Channel 98 and 64 devices on Channel 99. > > My question is this? > > If on the SAN side , if they define a disk on PATH 98 , do ALL of the 64 > address defined in the IODF see the WWPN/LUN? > (Or on a specific Port that equates to PATH/CHPID 98 on the on the > mainframe side) > > If we have 8 zLinux servers defined under z/VM , we would need 8 > separate device address (one for each z/LINUX) to gain access to that SAN / > Path. > > I haven't been able to find a lot of documentation on this... > They just give you the IODF definition and not a whole lot of explination > on the details on HOW (if any) the device addresses work with the SAN > (WWPN/LUN) > > We have been able to get a WWPN/LUN combination working on the SAN (PATH 98 > and PATH 99). > > Just looking for some help from some people that have setup SAN disks > attached to z/LINUX (not EDEV's).
If you activate N-port ID virtualization (NPIV) on the FCP adapter, each of the subchannels on each FCP adapter will have its own WWPN. Your zoning and LUN masking will determine which subchannel (guest) has access to which LUNs. Alan Altmark z/VM and Linux on System z Consultant IBM System Lab Services and Training ibm.com/systems/services/labservices office: 607.429.3323 [email protected] IBM Endicott ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] 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/
