On 5/12/20 2:46 AM, Patrick Bégou wrote: > Hi, > > I need some help with NFSv4 setup/tuning. I have a dedicated nfs server > (2 x E5-2620 8cores/16 threads each, 64GB RAM, 1x10Gb ethernet and 16x > 8TB HDD) used by two servers and a small cluster (400 cores). All the > servers are running CentOS 7, the cluster is running CentOS6. > > Time to time on the server I get: > > kernel: NFSD: client xxx.xxx.xxx.xxx testing state ID with > incorrect client ID > > And the client xxx.xxx.xxx.xxx freeze whith: > > kernel: nfs: server xxxxx.legi.grenoble-inp.fr not responding, > still trying > kernel: nfs: server xxxxx.legi.grenoble-inp.fr OK > kernel: nfs: server xxxxx.legi.grenoble-inp.fr not responding, > still trying > kernel: nfs: server xxxxx.legi.grenoble-inp.fr OK > > There is a discussion on RedHat7 support about this but only open to > subscribers. Other searches with google do not provide useful information. FYI - you can get access to such info with a free RHEL developers account. -- Orion Poplawski Manager of NWRA Technical Systems 720-772-5637 NWRA, Boulder/CoRA Office FAX: 303-415-9702 3380 Mitchell Lane orion at nwra.com Boulder, CO 80301 https://www.nwra.com/