The IBM z/VM Operating System <IBMVM@LISTSERV.UARK.EDU> wrote on 01/14/2008 02:01:29 PM:
> On Monday, 01/14/2008 at 01:44 EST, Karl Kingston <[EMAIL PROTECTED]> > wrote: > > So you're saying I can have up to 16 hipersocket LAN Segments. > > > > How many hipersockets can I have in a CHPID? > > Terminology is ambiguous here, because it gets misused. A "HiperSocket" > is a CHPID TYPE=IQD (or a z/VM Guest LAN defined with TYPE HIPERS). You > can define up to 16 HiperSocket chpids. Each chpid can have up to 64 > control units, with 256 devices (subchannels) per control unit, not to > exceed 12K devices in total (for all HiperSocket chpids taken together. > > Because a host requires 3 devices (subchannels) to connect to a > HiperSocket, you can have at most 4096 different concurrent users of all > of your HiperSocket chpids, whether they are guests on z/VM or individual > LPARs. > > > Thing is we only defined 16/CHPID and I've already run out. Since > they're > > all allocated to Linux guests > > That's because you only put 16 IODEVICE entries in your IOCDS on the > chpid. Define more. > Thanks, Alan! Last question: Is there any benefit to having hipersockets defined for VM guest to guest communication? The guests are also all connectde to a vswitch. I can see the need for hipersockets when you need to communicate across LPARS but for internal VM???
