Re: [lustre-discuss] Exporting a lustre mounted directory via nfs

2015-05-22 Thread Martin Hecht
it with the derp option. thanks, Kurt - Original Message - From: Martin Hecht To: Kurt Strosahl Sent: Thursday, May 21, 2015 12:51:41 PM Subject: Re: [lustre-discuss] Exporting a lustre mounted directory via nfs Hi Kurt, some time ago we had a client re-exporting a lustre 1.8.x

Re: [lustre-discuss] Exporting a lustre mounted directory via nfs

2015-05-20 Thread Kurt Strosahl
Unfortunately we are stuck with the 1.8 client as long as the lustre 1.8 system exists (we are transitioning, so both systems have to be mounted during the data migration). Kurt J. Strosahl System Administrator Scientific Computing Group, Thomas Jefferson National Accelerator Facility

Re: [lustre-discuss] Exporting a lustre mounted directory via nfs

2015-05-20 Thread Patrick Farrell
Lustre client server versions? Kernel version on Lustre client NFS client? There are a few known issues with older versions, though none of them (that I know of) are a hang. It would be instructive to know more about the hang if you can try to get more debug info - The stack traces of

[lustre-discuss] Exporting a lustre mounted directory via nfs

2015-05-20 Thread Kurt Strosahl
Good Afternoon, I'm attempting to use nfs to export a lustre mount point on a client box (essentially acting as a gateway for systems that don't have the lustre client). I've mounted lustre, and added it to the nfs exports file (it shows up as exported) but when I try to mount the nfs

Re: [lustre-discuss] Exporting a lustre mounted directory via nfs

2015-05-20 Thread Kurt Strosahl
Sorry, left off some important info... the system is rhel5, with client 1.8.7... the lustre file system is 2.5.3 (the system already exports a 1.8.9 lustre file system). w/r, Kurt - Original Message - From: Kurt Strosahl stros...@jlab.org To: lustre-discuss@lists.lustre.org Sent:

Re: [lustre-discuss] Exporting a lustre mounted directory via nfs

2015-05-20 Thread Patrick Farrell
Mmm. 1.8 clients are not fully supported with 2.5 servers. I wouldn't expect a hang, but I'm not surprised NFS export is not working. (Again, stack traces of your NFSD threads on the Lustre client trying to act as an NFS server may be illuminating.) - Patrick On 05/20/2015 02:14 PM, Kurt

Re: [lustre-discuss] Exporting a lustre mounted directory via nfs

2015-05-20 Thread Philippe Weill
Le 20/05/2015 21:14, Kurt Strosahl a écrit : Sorry, left off some important info... the system is rhel5, with client 1.8.7... the lustre file system is 2.5.3 (the system already exports a 1.8.9 lustre file system). we have the same problem and the only solution we find is to export 1.8