On Fri, 2005-01-28 at 11:18 -0800, Trond Myklebust wrote: > In the NFS client code we may use rwsems in order to protect stateful > operations against the (very infrequently used) server reboot recovery > code. The point is that when the server reboots, the server forces us to > block *all* requests that involve adding new state (e.g. opening an > NFSv4 file, or setting up a lock) while our client and others are > re-establishing their existing state on the server.
Hmm, when I was an ISP sysadmin I used to use this all the time. NFS mounts from the BSD/OS clients would start to act up under heavy web server load and the cleanest way to get them to recover was to simulate a reboot on the NetApp. Of course Linux clients were unaffected, they were just along for the ride ;-) Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
