> I don't (or "didn't") have adequate involvements with RHEL5 GFS. I may > not know enough to response. However, users should be aware of ... > > Before RHEL 5.1 and community version 2.6.22 kernels, NFS locks (i.e. > flock, posix lock, etc) is not populated into filesystem layer. It only > reaches Linux VFS layer (local to one particular server). If your file > access needs to get synchronized via either flock or posix locks > *between multiple hosts (i.e. NFS servers)*, data loss could occur. > Newer versions of RHEL and 2.6.22-and-above kernels should have the code > to support this new feature. > > There was an old write-up in section 4.1 of > "http://people.redhat.com/wcheng/Project/nfs.htm" about this issue. > > -- Wendy > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster Wendy, To be clear, does this include RHEL 4.7, or is it specific to 5.x? -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster