MFE zDP: zDP queries to locally attached R2 box, are issued as multi-hop queries when the query could go right to the R2 box

Summary: When doing suspend/resume in zDP to create a consistent snapset from locally accessible and locally defined zDP R2 srdf/a devices there are RDF query syscalls 9253 with a multihop from R2 box to R1 box and back from R1 box to R2 box while the query could be issued to just the locally attached R2 box. ...

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Symptoms

When doing suspend/resume in zDP to create a consistent snapset from locally accessible and locally defined zDP R2 SRDF/A devices there are RDF query syscalls (9253) with a multihop from R2 box to R1 box and back from R1 box to R2 box while the query could be issued to just the locally attached R2 box.

If the PTF is not applied, then in zDP configurations running on R2 boxes, could end in error "Remote syscall failed" for the R2 Queries

Cause

Syscall 9253 using multi-hop syntax to query locally attached R2 boxes instead of just issuing the queries directly to the R2 boxes.

Resolution

Workaround: 
None
 
Permanent Fix
  • For Mainframe Enablers 8.5, PTF SN85001 has been developed to correct the issue. It is available to download from Dell Technologies Online Support.
  • For Mainframe Enablers 8.4, PTF SN84050 has been developed to correct the issue. It is available to download from Dell Technologies Online Support.

Affected Products

Mainframe Enablers
Article Properties
Article Number: 000183616
Article Type: Solution
Last Modified: 05 Aug 2021
Version:  3
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