Re: [Lustre-discuss] Delete file entries from Metadata server

2009-03-24 Thread Mag Gam
To do the ll_recover_lost_found_objs, can we have everything mounted up? Or is it recommended we unmount everything? Also what to do when we see ? for the file attributes. Most likely these files are gone, how can we remove them from the system all together? TIA On Wed, Mar 11, 2009 at

Re: [Lustre-discuss] Read-only file system

2009-03-24 Thread Brian J. Murrell
On Mon, 2009-03-23 at 22:17 -0400, Mag Gam wrote: Hi Brian: Hi, Well, there were no server problems but I did run a e2fsck on the MDT and OST I managed to fix the corruptions (or have the e2fsck do it for me). There must have been some problems for fscks to have needed to fix problems. So

[Lustre-discuss] Stupid Question Time: flock

2009-03-24 Thread Jay Christopherson
If I have 5 clients, two of which are running an app which requires fcntl style file locking, do I need to mount lustre with -o flock on all five clients, or just the two that are using fcntl? What are the implications (if any) of mounting a lustre filesystem with -o flock? Thanks! Jay

[Lustre-discuss] an MDT back-up clarification

2009-03-24 Thread Ms. Megan Larko
Hello, Following the procedure outlined in the Lustre Manual Chapter 15 on backup and restore, I have tried two approaches to backing up a single MDT disk. One was the getfattr and then tar -cvf to get the data and restore it via the tar -xvf and setfattr method. The other method was the rsync

[Lustre-discuss] Lustre on SLES 11

2009-03-24 Thread Sadek, Abdel
Hello; Is Lustre supported on SLES 11? If not, when will it be supported? Also, what version of OFED will it support? SLES 11 comes with OFED 1.4, since there are issues getting Lustre to work with it; will that require downgrading to OFED 1.3.1? Thanks. Abdel..

[Lustre-discuss] LustreError: 11-0: an error occurred while communicating with 192.168.16...@o2ib. The ost_connect operation failed with -19

2009-03-24 Thread Dennis Nelson
Hi, I have encountered an issue with Lustre that has happened a couple of times now. I am beginning to suspect an issue with the IB fabric but wanted to reach out to the list to confirm my suspicions. The odd part is that even when the MDS complains that it cannot connect to a given ost, lctl

Re: [Lustre-discuss] Stupid Question Time: flock

2009-03-24 Thread Oleg Drokin
Hello! On Mar 24, 2009, at 3:19 PM, Jay Christopherson wrote: If I have 5 clients, two of which are running an app which requires fcntl style file locking, do I need to mount lustre with -o flock on all five clients, or just the two that are using fcntl? Just two would be fine. What