MFE TF Clone/Snap: EMCSNAP cannot create a new session. Reason code 170061

Summary: The EMCSNAP operation fails to create a new session due to a session limit being exceeded.

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Symptoms

SNAP DATASET or SNAP VOLUME operation fails.

EQCA027E SCSI(812B) BAD RC, 3E DATA 170061
ESNP537E EMC SNAP API - I/O ERROR CREATING SNAP SESSION


Reason code: 170061 (The request to establish an extent failed. The maximum of sessions has been exceeded)

EMCSNAP fails to create a new session with reason code 170061.


 

Cause

Either the limit of 16 sessions per device, or of 64 sessions per Subsystem Identifier (SSID), has been reached.

Resolution


Use one of the following options to reduce or remove SNAP sessions before rerunning the failed SNAP job:

  • Wait for previous SNAP sessions to complete
  • Use the STOP SNAP command.
  • Use the CLEANUP EXTENT TRACK command to remove old SNAP sessions.

For more details about the above commands refer to Mainframe Enablers TimeFinder/Clone Mainframe Snap Facility Product Guide.

Produse afectate

Mainframe Enablers
Proprietăți articol
Article Number: 000054078
Article Type: Solution
Ultima modificare: 30 oct. 2025
Version:  3
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