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SnapDiff was aborted (I2P lookup failed) "error message I2P lookup failed error:20"

Last Updated:

Applies to

  • ONTAP 9
  • SnapDiff
  • CommVault


  • Backup software receives SnapDiff was aborted (I2P lookup failed) errors when trying to index two volumes, causing index to fail.
  • Examples from within ONTAP:

Wed Apr 01 22:47:25 AEDT [Cluster01-01: worker_thread_678: snapdiff.zapi.aborted:debug]: Encountered unexpected Data ONTAP error while computing differences between Snapshot copies using ZAPI. Snapdiff ZAPI session ID 19b53204-3e4e-427f-ae27-806903a53b67, volume name vol_xyz, base Snapshot copy weeklycron.2018-11-18_0015, base Snapshot copy ID 43, diff Snapshot copy weeklycron.2018-11-25_0015, diff Snapshot copy ID 44, error message I2P lookup failed error:20 fsid:1034 inode:7163366 snap_id:44, file prod/common/adminapi/zapi_snapdiff.c, line 1515.

Wed Apr 01 22:47:25 AEDT [Cluster01-01: mgwd: snapdiff.zapi.abnormal.abort:debug]: Encountered unexpected Manage ONTAP error while computing differences between Snapshot copies. Input , Error I2P lookup failed, Additional Error Failed to read Diffs from 2d8f338a-d071-11e6-a3a8-00a098f3d812 for sessionId 7b69a61f-53e6-4415-a446-52f88f55facb, File src/zapis/, Line 994.

  • From DMA:

[STAT] Indexing... Volume:[Volume_name]
FilesOnVolume:[12554240] FilesIndexed:[12554241] Seconds:[48372] Files/Sec:[259] JM FileCount: [12526081]FileCountDelta:
10696 3a7c 05/06 10:57:17 1652427 SnapDiffNext Failed to get the next set of snapdiff items (snapdiff-iter-next).
Error returned:[14483][I2P lookup failed]
05/06 10:57:17 1652427 IndexOneVolume() - ERROR: Failed to Index SnapShot [SP_2_1652427_1683286224] for volume [volume_name].


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