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xcp copy gets stuck when migrating data between Linux NFS servers

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netapp-xcp
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hci
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Applies to

  • XCP 1.9
  • RedHat 8
  • NFS v3

Issue

  • Source NFS server: RedHat 8, NFS export: /mnt/source, which is backed by a FC LUN on a third party SAN storage
  • Destination NFS server: RedHat 8 with XCP 1.9 installed, NFS export: /mnt/dest, which is backed by a FC LUN on a NetApp E-Series storage
  • XCP copy gets stuck when migrating data from source NFS server export /mnt/source to destination NFS server export /mnt/dest:
2022-11-09 16:47:50,994 - INFO - 550803 xcp xcp  119,869 scanned, 118 copied, 17 indexed, 5,934 giants, 9.19 GiB in (290 MiB/s), 8.98 GiB out (291 MiB/s), 50s
2022-11-09 16:48:51,159 - INFO - 550803 xcp xcp  119,869 scanned, 131 copied, 30 indexed, 5,934 giants, 21.5 GiB in (195 MiB/s), 21.3 GiB out (195 MiB/s), 1m51s
2022-11-09 16:53:51,871 - INFO - 550803 xcp xcp  119,869 scanned, 137 copied, 36 indexed, 5,934 giants, 77.6 GiB in (209 MiB/s), 77.4 GiB out (209 MiB/s), 6m51s
2022-11-09 17:03:53,244 - INFO - 550803 xcp xcp  119,869 scanned, 142 copied, 41 indexed, 5,934 giants, 120 GiB in (0/s), 119 GiB out (0/s), 16m53s
2022-11-09 17:33:57,162 - INFO - 550803 xcp xcp  119,869 scanned, 142 copied, 41 indexed, 5,934 giants, 120 GiB in (0/s), 119 GiB out (0/s), 46m57s
2022-11-09 18:18:57,469 - INFO - 550803 xcp xcp  119,869 scanned, 142 copied, 41 indexed, 5,934 giants, 120 GiB in (0/s), 119 GiB out (0/s), 1h31m
...
...
2022-11-10 10:19:34,543 - INFO - 550803 xcp xcp  119,869 scanned, 142 copied, 41 indexed, 5,934 giants, 120 GiB in (0/s), 119 GiB out (0/s), 17h32m

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