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NFSv4 mount does not recover after failover on ESXi 7.0u2

Description

Issue > We have a greenfield deployment where we are running into an issue that an NFSv4.1 datastore becomes inaccessible after a storage failover, and we have to reboot the ESXi hosts to fix this.

In testing, other NFSv4 clients were able to restore the mount point following the failover event.

I will also provide the logs we see from ESXi and debug from the TrueNAS.

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Alexander Motin September 14, 2021 at 7:21 PM

The kernel part is committed.  For it to be used by middleware to solve the issue please track https://jira.ixsystems.com/browse/NAS-112328 .

Alexander Motin September 13, 2021 at 8:13 PM

After that middleware will need to set vfs.nfsd.scope and vfs.nfsd.owner_major sysctls into some persistent string value(s), unique per HA system and less then 1024 bytes long.

Alexander Motin September 13, 2021 at 8:07 PM

This should be the kernel part of the fix: https://reviews.freebsd.org/D31952

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Katalon Platform

Created July 12, 2021 at 4:25 PM
Updated July 6, 2022 at 8:57 PM
Resolved September 14, 2021 at 7:21 PM