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Accessing tiered files results in hangs due to time skew in ONTAP 9

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Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9
  • Fabricpool
  • NFS
  • CIFS
  • SAN/Block Protocols

Issue

  • Attempting to access tiered files may result in clients hanging
  • Attempting to profile the object store results in the following error:

Error: command failed: initializing the object store profiler on node for object store failed. Reason: Skewed time. Wait a few minutes and try the command again.

  • EMS events

[OscHighPriThreadPool: object.store.unavailable:EMERGENCY]: Unable to connect to the object store "obj_str" from node 635e2fd7-c211-11eb-93c2-d039ea2c826a. Reason: Skewed time.

  • SK Traces
[3:0] OSC_ERR:  logCmd:364 PUT CmdId: 108 obj-name: config_test_b01af070-8ea1-11e8-9eb6-529269fb1459 failed with OSC error: Skewed time
[6:0] CLOUD_BIN_ERR:  object_store_config_check_connection: PUT failed for s3 handle 1427 at try_count 5 with error 70 (Skewed time)
  • The command shows

::> object-store show -instance
  (storage aggregate object-store show)

                          Aggregate Name: aggr1
         ONTAP Name for this Object Store Config: obj_str

  Availability of the Object Store: unavailable
          Reason why Object Store is Unavailable: Skewed time

 

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