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XCP scan for NFS is very slow with lot of 'retry' messages

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Category:
netapp-xcp
Specialty:
nas
Last Updated:

Applies to

  • XCP
  • NFS

Issue

When running XCP scan commands such as xcp scan -du <NFS_export_path>, users may observe that the scan takes much longer than expected to complete. The XCP logs may show repeated retries and stalled progress, for example:
 
2025-07-07 06:31:29,678 - INFO - 914175 5 retries, 168 in (0/s), 916 out (0/s), 13m6s
2025-07-07 06:31:34,688 - INFO - 914175 5 retries, 168 in (0/s), 916 out (0/s), 13m11s
2025-07-07 06:31:39,697 - INFO - 914175 5 retries, 168 in (0/s), 916 out (0/s), 13m16s
2025-07-07 06:31:44,706 - INFO - 914175 5 retries, 168 in (0/s), 916 out (0/s), 13m21s
2025-07-07 06:31:49,715 - INFO - 914175 5 retries, 168 in (0/s), 916 out (0/s), 13m26s
2025-07-07 06:31:54,728 - INFO - 914175 6 retries, 168 in (0/s), 916 out (0/s), 13m31s
2025-07-07 06:31:59,732 - INFO - 914175 188,698 scanned, 39.6 MiB in (7.91 MiB/s), 1.57 MiB out (322 KiB/s), 13m36s
2025-07-07 06:32:05,257 - INFO - 914175 351,557 scanned, 74.5 MiB in (6.33 MiB/s), 2.75 MiB out (218 KiB/s), 13m42s
2025-07-07 06:32:10,454 - INFO - 914175 501,042 scanned, 108 MiB in (6.43 MiB/s), 4.54 MiB out (353 KiB/s), 13m47s

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