On Sat, Feb 16, 2013 at 12:30:07PM +0100, Michael Monnerie wrote: > Dear list, > > we've had several servers block today because they all have a NFS mount point > from a linux kernel 3.7.6 server. This is the fstab entry: > > 1.1.1.1:/nfsshare/all /shared nfs4 defaults,tcp,intr,relatime,async,acl 0 9 > > The NFS server crashed and was offline, that made all clients block. That's expected. > Even > after the NFS server was up again, most clients were stuck to the point they > had to be rebooted. But that sounds like a bug, on either client or server. > What mount options should we use so clients don't block > completely when the NFS server is gone? As Boaz says, you can mount with "soft"--but there are good reasons it isn't the default. (Worst case it can cause data corruption if your applications aren't extremely careful.) --b. > It's no problem to unmount the NFS > share, or get errors, but the clients must not stop their work. > > -- > mit freundlichen Grüssen, > Michael Monnerie, Ing. BSc | Tel: +43 660 415 6531 > > XING: https://www.xing.com/profile/Michael_Monnerie > Facebook: https://www.facebook.com/michael.monnerie > Twitter: @MichaelMonnerie https://twitter.com/MichaelMonnerie > LinkedIn: http://lnkd.in/uGx6ug > Google+: https://plus.google.com/u/0/100598203632716687928/ > > Protéger.at Internet Services Austria [gesprochen: Prot-e-schee] > http://protéger.at | http://proteger.at > Facebook: https://www.facebook.com/protegerat > Mitglied im it-management Netzwerk http://it-management.at -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html