Re: [Linux-cluster] GFS2 + NFS crash BUG: Unable to handle kernelNULL pointer deference

2011-07-14 Thread Alan Brown
> Maybe I should try that again but the only was I know to get a kdump is to set a large fence delay. This is what I'd expect. We also found the fence delay has to be long enough to allow the crashdump to be written out. The only alternatives to speed this up are to use _very_ fast disk for

Re: [Linux-cluster] GFS2 + NFS crash BUG: Unable to handle kernelNULL pointer deference

2011-07-13 Thread Colin Simpson
Hi I'd be looking at wanting to do single node NFS (active/passive, failover) but we are currently running with CTDB Samba on both nodes for this same directory. Would that work with "localflocks" and/or be supported in such a config? I'm thinking the clustered samba would also have to go in suc

Re: [Linux-cluster] GFS2 + NFS crash BUG: Unable to handle kernelNULL pointer deference

2011-07-13 Thread Steven Whitehouse
Hi, On Tue, 2011-07-12 at 19:52 +0100, Colin Simpson wrote: > I just ask this as I have a cluster where we wish to share a project > directories and home dirs and have them accessible by Linux clients via > NFS and PC's via Samba. As I say the locking cross OS doesn't matter. > If it doesn't mat

Re: [Linux-cluster] GFS2 + NFS crash BUG: Unable to handle kernelNULL pointer deference

2011-07-12 Thread Colin Simpson
I just ask this as I have a cluster where we wish to share a project directories and home dirs and have them accessible by Linux clients via NFS and PC's via Samba. As I say the locking cross OS doesn't matter. And using 2.6.32-71.24.1.el6.x86_64 kernel we are seeing the kernel often panicing (ev