Re: [Lustre-discuss] Looping in __d_lookup

2008-05-16 Thread Oleg Drokin
Hello! On May 15, 2008, at 5:34 AM, Jakob Goldbach wrote: On a regular basis a process get stuck in __d_lookup. When I dig in it seems I'm caught in the hlist_for_each_entry_rcu loop never satisfying the exit-from-loop condition. Hm, so you actually have a circular loop? I wonder if you can

Re: [Lustre-discuss] supporting fcntl, byte-range file locking

2008-05-13 Thread Oleg Drokin
Hello! On May 13, 2008, at 12:37 PM, Wei-keng Liao wrote: What versions of Lustre support fcntl for byte-range file locking? Attached is a test program extracted from ROMIO to test fcntl() for locking. It ran fine on some Lustre versions. Certainly many versions, going far back to 1.2 and

Re: [Lustre-discuss] Inode count differences between client and MDS

2008-04-17 Thread Oleg Drokin
Hello! On Apr 14, 2008, at 3:43 AM, Jakob Goldbach wrote: Is this under-reporting breaking anything for you, I wonder? No - I was just worried what happened to all my inodes. I planned about 200M inodes on the MDS and less than half showed up on the clients. Do you want me to file a

Re: [Lustre-discuss] Inode count differences between client and MDS

2008-04-11 Thread Oleg Drokin
Hello! On Apr 11, 2008, at 3:48 AM, Jakob Goldbach wrote: The inode count you get on the client side also takes into account the number of inodes available on the OSTs and the default stripe count. The stripecount is 1. (from /proc/../lov/../stripecount) - The OSTs have plenty ~400M

Re: [Lustre-discuss] strange lustre errors

2008-03-06 Thread Oleg Drokin
Hello! On Mar 6, 2008, at 10:57 AM, Balagopal Pillai wrote: On a few of the hpc cluster nodes, i am seeing a new lustre error that is pasted below. The volumes are working fine and there is nothing on the oss and mds to report. LustreError:

Re: [Lustre-discuss] lustre official flock support

2008-03-05 Thread Oleg Drokin
Hello! On Mar 5, 2008, at 11:33 AM, Joe Barjo wrote: While making my tests, I saw that the flock system call was not working. Googling aroung I found the flock option in the mount command, and it seems to work just fine. However, I've read in the documentation that flock will only be

Re: [Lustre-discuss] Installing Lustre on PowerPC (IBM pSeries)

2008-03-05 Thread Oleg Drokin
Hello! On Mar 4, 2008, at 4:44 AM, gas5x1 wrote: Could you please advice me, how, if at all passible, is to install Lustre on IBM PPC64? I have already Lustre 1.6 installation working for Intel i386 and AMD Opteron nodes, and now would like to acess it from IBM clients. You just compile as

Re: [Lustre-discuss] ldlm_enqueue operation failures

2008-02-18 Thread Oleg Drokin
Hello! On Feb 18, 2008, at 4:55 PM, Charles Taylor wrote: Feb 18 15:25:50 hpcmds kernel: LustreError: 7162:0:(mgs_handler.c: 515:mgs_handle()) lustre_mgs: operation 101 on unconnected MGS Feb 18 15:25:50 hpcmds kernel: LustreError: 7162:0:(mgs_handler.c: 515:mgs_handle()) Skipped 263

Re: [Lustre-discuss] ldlm_enqueue operation failures

2008-02-18 Thread Oleg Drokin
Hello! On Feb 18, 2008, at 5:04 PM, Charles Taylor wrote: Well, yes. But the evictions are the result of the job trying to start. Absent that, there are no evictions.A bunch of threads trying to open the same file should not cause the clients to be evicted.That's an odd way

Re: [Lustre-discuss] ldlm_enqueue operation failures

2008-02-18 Thread Oleg Drokin
Hello! On Feb 18, 2008, at 5:13 PM, Charles Taylor wrote: Feb 18 15:32:47 r5b-s42 kernel: LustreError: 11-0: an error occurred while communicating with [EMAIL PROTECTED] The mds_close operation failed with -116 Feb 18 15:32:47 r5b-s42 kernel: LustreError: Skipped 3 previous similar messages

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