A fix is available
APAR status
Closed as program error.
Error description
In a z/OS HyperSwap environment with Hardware Reserves enabled, if all paths to any swap-from LSS are lost, the attempt to remotely soft fence the swap-from LSS may fail with a command reject. KNOWN IMPACT: Remote Soft Fence may fail
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * * Users at HBB77C0 and above who use z/OS * * HyperSwap with Hardware Reserves enabled * **************************************************************** * PROBLEM DESCRIPTION: * * Remote Soft Fence may fail during an * * Unplanned HyperSwap * * * * HYPERSWP/K * **************************************************************** * RECOMMENDATION: * **************************************************************** In a z/OS HyperSwap environment with Hardware Reserves enabled, if all paths are lost to any PPRC primary LSS, then the remote soft fence may fail due to the wrong LSS parameter supplied on the command. The remote soft fence I/O is intended to have the swap-to devices remotely instruct the swap-from devices to enter soft fence status. When this error occurs, it will surface with error: IOSHM0417I hh:mm:ss.tt Response from SY1, API RC = 4, Rsn = 8
Problem conclusion
z/OS HyperSwap is updated to use the correct LSS parameter on the remote soft fence command.
Temporary fix
********* * HIPER * *********
Comments
APAR Information
APAR number
OA66545
Reported component name
IOS
Reported component ID
5752SC1C3
Reported release
7C0
Status
CLOSED PER
PE
NoPE
HIPER
YesHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2024-05-20
Closed date
2024-05-30
Last modified date
2024-07-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UJ95335 UJ95340 UJ95341
Modules/Macros
IOSHSSUB
Fix information
Fixed component name
IOS
Fixed component ID
5752SC1C3
Applicable component levels
R7D0 PSY UJ95341
UP24/06/12 P F406 ¢
R7E0 PSY UJ95335
UP24/06/12 P F406 ¢
R7C0 PSY UJ95340
UP24/06/12 P F406 ¢
Fix is available
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[{"Business Unit":{"code":"BU011","label":"Systems - zSystems software"},"Product":{"code":"SG19O","label":"IOS"},"Platform":[{"code":"PF054","label":"z Systems"}],"Version":"7C0"}]
Document Information
Modified date:
01 July 2024