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Trident mounts /dev/dm-N instead of /dev/mapper/mpathN

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Category:
astra_trident
Specialty:
snapx
Last Updated:

Applies to

  • NetApp Astra Trident
  • Ubuntu
  • ONTAP SAN driver
  • iSCSI Multipathing

Issue

Volumes created via Trident have mount paths /dev/mapper/mpathN and /dev/dm-N coexisting
Example:
# df -h | grep /dev
...
/dev/mapper/mpathd     49G   76K   47G   1% /var/lib/kubelet/pods/[ID]/volumes/kubernetes.io~csi/pvc-[ID]/mount
/dev/dm-1              30G   20G  8.7G  69% /var/lib/kubelet/pods/[ID]/volumes/kubernetes.io~csi/pvc-[ID]/mount
/dev/dm-2              20G  4.2G   15G  23% /var/lib/kubelet/pods/[ID]/volumes/kubernetes.io~csi/pvc-[ID]/mount

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