Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Eugene Crosser wrote: > > You just do it in a suboptimal way. When the cluster switchover takes > place, NFS clients get IO error or even need to remount the filesystem. this depends on the nfs-mount options used (hard vs. soft) > When done "properly", switchover is completely transparent to the are you refering to the iptables hack? > clients. That is, even when switchover takes place when the client is > in the middle of writing a big file, operation will be completed on the > new node and integrity of the content will be preserved. > > Speaking specifically about /var/lib/nfs location, the recommendation to > keep it on shared media is only relevant when the filesystem is exported > to network range(s) (as opposed to individual hosts). But you still have the problem in an active/active cluster. I don't see a way how you would solve that when linking /var/lib/nfs to the shared storage. And even if you only export it to individual hosts you want to keep the information what was mounted by the clients. Peter