[Pvfs2-users] Oddity

[Phil Carns]

Hi Henk,

What version of PVFS are you seeing this on?

And just to be clear, the machine that hangs is not running any PVFS 
software, just accessing the data through an NFS re-export?  Does the 
whole machine hang or just the NFS mount point?

-Phil

belcampo wrote:
> If there is a directory which has thes files in it
> 
> ls -al /pvfs2/videos/waswork
> drwxr-xr-x 1 mythtv users       4096 2009-04-10 15:25 ./
> drwxrwxrwx 1 mythtv users       4096 2009-04-10 15:28 ../
> -rwxr--r-- 1 mythtv users       6573 2009-04-10 10:28 1-1.8.8_fixed.log*
> -rwxr--r-- 1 mythtv users   14142112 2009-04-10 10:28 1-1.8.8_fixed.ts*
> -rwxr--r-- 1 mythtv users        174 2009-04-10 09:38 1-1.8.8.meta*
> -rwxr--r-- 1 mythtv users   14260364 2009-04-10 09:38 1-1.8.8.ts*
> -rwxr--r-- 1 mythtv users       6567 2009-04-10 10:26 1-1.9.1_fixed.log*
> -rwxr--r-- 1 mythtv users   14142112 2009-04-10 10:26 1-1.9.1_fixed.ts*
> -rw-r--r-- 1 mythtv users        179 2009-04-10 10:24 1-1.9.1.meta
> -rw-r----- 1 mythtv users   14260364 2009-04-10 10:24 1-1.9.1.ts
> -rw-r--r-- 1 mythtv users  240186423 2009-04-09 15:46 1.aac
> -rw-r--r-- 1 mythtv users 1162870580 2009-04-10 13:29 1.h264
> -rw-r--r-- 1 mythtv users        166 2009-04-10 09:52 1.meta
> -rw-r--r-- 1 mythtv users  201193050 2009-04-10 13:30 2.h264
> -rw-r--r-- 1 mythtv users  200995060 2009-04-10 13:31 3.h264
> -rw-r--r-- 1 mythtv users  207777792 2009-04-10 13:32 4.h264
> -rw-r--r-- 1 mythtv users  198183647 2009-04-10 13:31 5.h264
> -rw-r--r-- 1 mythtv users  160546609 2009-04-10 13:29 6.h264
> -rw-r--r-- 1 mythtv users      53942 2009-04-10 12:16 oncava[150].srt
> -rw-r--r-- 1 mythtv users   88678945 2009-04-10 15:05 oncava1.aac
> -rw-r--r-- 1 mythtv users      10774 2009-04-10 12:17 oncava_log.txt
> -rw-r--r-- 1 mythtv users 1251524302 2009-04-10 15:15 oncava.mp4
> -rw-r--r-- 1 mythtv users  133051968 2009-04-10 12:17 oncava.mpa
> -rw-r--r-- 1 mythtv users 2210326572 2009-04-10 12:10 oncava.mpv
> -rw-r--r-- 1 mythtv users    5664546 2009-04-10 12:10 oncava.sp
> -rw-r--r-- 1 mythtv users      79159 2009-04-10 12:16 oncava.srt
> -rw-r--r-- 1 mythtv users     624164 2009-04-10 12:17 oncava.sup
> 
> 
> a non-participant pvfs-client, but connected through the nfs exported 
> directory hangs until memory is exhausted
> [mythtv at mm ~]$ free -m
>              total       used       free     shared    buffers     cached
> Mem:           487        481          6          0          0          6
> -/+ buffers/cache:        475         12
> Swap:          509         92        417
> [mythtv at mm ~]$ free -m
>              total       used       free     shared    buffers     cached
> Mem:           487        481          5          0          0          6
> -/+ buffers/cache:        475         11
> Swap:          509        111        397
> [mythtv at mm ~]$ free -m
>              total       used       free     shared    buffers     cached
> Mem:           487        481          5          0          0          4
> -/+ buffers/cache:        477         10
> Swap:          509        345        164
> 
> Participant pvfs clients have acces through nfs without any problem.
> 
> Moving 1 file to another directory, doesn't matter which one and 
> everything works as expected again.
> I've had this several times, it looks like trouble starts when there are 
> 'a lot' of files which names are a lot like each other.
> 
> Any idea what could be the reason, much preferable how this could be 
> solved.
> 
> Henk Schoneveld
> _______________________________________________
> Pvfs2-users mailing list
> Pvfs2-users at beowulf-underground.org
> http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users