There is a VARY command that uses UNCOND - vary online unconditional sometimes can override a BOXED device
MS -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Rob Schramm Sent: Tuesday, January 29, 2019 1:44 PM To: [email protected] Subject: [EXT] Re: D U, , ALLOC GIVES MSGIEE106I *UNKNOWN (UNKNOWN) MVS DISPLAY ALLOCATED UNITS COMMAND What happens if you box a device offline? Can you bring it back online? Rob Schramm On Tue, Jan 29, 2019, 2:19 AM Mehrshad Manshadi < [email protected] wrote: > In response to a D U,,ALLOC command, msgIEE106I is issued > indicating a jobname of *UNKNOWN for certain DASD units. It is > also not possible to Vary the unit(s) offline (unable to vary). > This problem was traced to an OEM product changing the UCB > in a job's TIOT without incrementing the new UCB's UCBUSER > (Number of Current Users use-count) field. When the new UCB > was subsequently de-allocated, MVS Allocation code decremented > UCBUSER, causing it to become negative. Since UCBUSER was then > not zero, the device appeared to be allocated even though there > was no address space known to be allocated to it. As a result, > UCBALOC was never turned off and the device could not be > varied OFFLINE. > > See Scratch Pad for OEM information. > Please help me to solve the problem. from where i can find scratch pad for > OEM? in OS configuration or hardware?!How can I turned off UCBALOC ? > For your information we changed the number of aliases in IODF and just > activate it without IPL or power on reset the machine. > Thanks > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN The information contained in this message may be CONFIDENTIAL and is for the intended addressee only. Any unauthorized use, dissemination of the information, or copying of this message is prohibited. If you are not the intended addressee, please notify the sender immediately and delete this message. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
