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[Linux-cluster] Directory lockups?



(ignore my last post... sorry for the broken mail, seems that my mouse is quite dirty :( 

Hello, 

I have been receieving this messages lately: 

Sep 15 08:16:02 test01 kernel: dlm: locks: dir entry exists 6bd5037b fr 5 r 0        7         60300b6
Sep 15 08:53:29 test01 kernel: dlm: locks: dir entry exists abef0134 fr 3 r 0        7         7382d53
Sep 15 10:42:18 test01 kernel: dlm: locks: dir entry exists d00d7 fr 4 r 0        7         52565b8
Sep 15 10:42:18 test01 kernel: dlm: locks: dir entry exists f0012 fr 4 r 0        7         52565b8
Sep 15 10:46:00 test01 kernel: dlm: locks: dir entry exists f0302 fr 6 r 0        7         5356fea
Sep 15 11:10:32 test01 kernel: dlm: locks: dir entry exists 420026 fr 4 r 0        7         2ef1081
Sep 15 11:48:01 test01 kernel: dlm: locks: dir entry exists 30282 fr 5 r 0        7         56a3afd

it seems that it has to do with a particular directory. Every read or
write attempt inside that directory gets blocked and, since processess
queue up, load rises 'till it kills the node. 

Now, I've been searching through logs and havent found anything useful,
except those few lines up there.

I'v run gfs_fsck and got: 

[... useless things omitted ... ]

Dinodes with more than one dirent:
       inode = 30926818, dirents = 2
Dinodes with link count > 1:
       inode = 30926818, nlink = 2
Pass 6:  done  (0:00:00)

[... useless things omitted ... ]

What shall I do to debug this further? Can  anyone explain why is this
happening? 

-- 
Lazar Obradovic, System Engineer
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