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Status Future consideration
Workspace z/OS
Categories BCP_IOS
Created by Guest
Created on Feb 2, 2015

RELATED IDEAS

Safer config online No.2

BTMU has requested for a new config online function regarding FICON Channel which allows to access UCBs by way of healthy channels other than the CHPID which is performing a config online command.
The detail is as follows.

While a CHPID is performing a config online,
if there are healthy channel paths other than the CHPID which is performing a config online command,
We hope the new config online command alllows to access UCBs defined under the CHPID by using healthy channel paths other than the CHPID which is performing a config online command.
Because while a CHPID is performing a config online command, all of UCBs defined under the CHPID can not be accessed.
As a result of inspection in PMR, while a CHPID ONLINE command is performing, UCB level is set to High, so the CHPID is not allowed to access.

Idea priority Medium
  • Guest
    Reply
    |     Jun 10, 2015

    This should be covered by the Safer Config Online support requested by requirement number #74838. When a CHPID is brought back online, a single device will be chosen for each physical path (chpid.link) and the path will be brought online to that device. I/Os will be driven down that path by the system for a short period of time to ensure that it is functional. The I/Os used by the system to bring the path online and to test the path will use very low timeout values (1 second) to minimize the impact to application I/O, which will be allowed to use the other paths while the path being recovered is being brought online. If a timeout occurs for the path being recovered, it will not be brought online.

  • Guest
    Reply
    |     Mar 17, 2015

    Creating a new RFE based on Community RFE #65267 in product z/OS.

  • Guest
    Reply
    |     Mar 16, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - zSeries Software
    Product - z/OS
    Component - BCP_IOS
    Operating system - IBM z/OS

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - zBLC family
    Product - zBLC
    Component - zBLC Requirements
    Operating system - IBM z/OS

  • Guest
    Reply
    |     Mar 4, 2015

    Low

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