[CentOS] NFS Server on Centos 7.6.1810 dying without reason

Erick Perez - Quadrian Enterprises

eperez at quadrianweb.com
Fri Aug 30 16:27:24 UTC 2019


Good morning,
in order to post proper documentation, what logs (or log level) do I
need to troubleshoot a Centos 7.6.1810 3.10.0-957.27.2.el7.x86_64 tha
tis running a NFS server on top LVM on top of XFS on top of VDO on top
of MDAM on a 6 SSD disk RAID6 ?

This physical NFS server is servign 2 NFS v4.2 shares to 2 physical
KVM virtualization hosts.

When remote NFS clients start doing intensive stuff (massive writes) ,
the NFS server crashes and sometimes make the Linux server reboot.

form KVM side this is all I get: hvm002 kernel: nfs: server 10.10.10.2
not responding, timed out

thanks

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Erick
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