Yes this is correct "Probably running into a limitation on the number of UCBs in a single z/OS LPAR."
Thank You, Terry Martin Lockheed Martin - Citic z/OS and z/VM Performance Tuning and Operating Systems Support Office - 443 348-2102 Cell - 443 632-4191 -----Original Message----- From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf Of McKown, John Sent: Monday, April 05, 2010 4:28 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: HiperSocket UCBs > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:ib...@listserv.uark.edu] On Behalf Of Alan Altmark > Sent: Monday, April 05, 2010 3:25 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: HiperSocket UCBs > <snip> > You have > - 16 HiperSocket chpids available > - 64 control units per chpid > - 256 devices (subchannels) per control unit > - Providing up to 12K devices, spread across 16 chpids or all in one. > - Yielding up to 4096 NICs > > Are you sure you're up against a HiperSocket maximum? If you > have 4096 > NICs, consider using VLANs. > > Alan Altmark > z/VM Development > IBM Endicott Probably running into a limitation on the number of UCBs in a single z/OS LPAR. -- John McKown Systems Engineer IV IT Administrative Services Group HealthMarkets(r) 9151 Boulevard 26 * N. Richland Hills * TX 76010 (817) 255-3225 phone * (817)-961-6183 cell john.mck...@healthmarkets.com * www.HealthMarkets.com Confidentiality Notice: This e-mail message may contain confidential or proprietary information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. HealthMarkets(r) is the brand name for products underwritten and issued by the insurance subsidiaries of HealthMarkets, Inc. -The Chesapeake Life Insurance Company(r), Mid-West National Life Insurance Company of TennesseeSM and The MEGA Life and Health Insurance Company.SM