[Linux-cluster] Strange directory listing
Jeff Sturm
jeff.sturm at eprize.com
Fri Mar 6 01:28:41 UTC 2009
We keep Lucene search indexes on a GFS storage volume, mounted
cluster-wide. This way each cluster node can perform a search, or
append the search index with new content. Works great.
Funny thing is, when I list the directory containing the search index, I
sometimes see output like the following:
$ ls -l
total 600
?--------- ? ? ? ? ? _2931.f3
?--------- ? ? ? ? ? _2931.f4
-rw-r--r-- 1 toybox toybox 1260 Mar 5 20:21 _2931.f5
?--------- ? ? ? ? ? _2931.f6
-rw-r--r-- 1 toybox toybox 1261 Mar 5 20:21 _2933.f1
-rw-r--r-- 1 toybox toybox 1261 Mar 5 20:21 _2933.f2
-rw-r--r-- 1 toybox toybox 1261 Mar 5 20:21 _2933.f3
-rw-r--r-- 1 toybox toybox 1261 Mar 5 20:21 _2933.f4
-rw-r--r-- 1 toybox toybox 1261 Mar 5 20:21 _2933.f5
-rw-r--r-- 1 toybox toybox 1261 Mar 5 20:21 _2933.f6
-rw-r--r-- 1 toybox toybox 226300 Mar 5 20:21 _2933.fdt
-rw-r--r-- 1 toybox toybox 10088 Mar 5 20:21 _2933.fdx
-rw-r--r-- 1 toybox toybox 51 Mar 5 20:21 _2933.fnm
-rw-r--r-- 1 toybox toybox 60778 Mar 5 20:21 _2933.frq
-rw-r--r-- 1 toybox toybox 43035 Mar 5 20:21 _2933.prx
-rw-r--r-- 1 toybox toybox 1571 Mar 5 20:21 _2933.tii
-rw-r--r-- 1 toybox toybox 118784 Mar 5 20:21 _2933.tis
-rw-r--r-- 1 toybox toybox 0 Mar 5 20:21 commit.lock
-rw-r--r-- 1 toybox toybox 0 Mar 5 20:21 deletable
-rw-r--r-- 1 toybox toybox 18 Mar 5 20:21 segments
-rw-r--r-- 1 toybox toybox 0 Mar 5 20:21 write.lock
I would have expected to see something in each of the fields. Is this a
clue that stat() is failing? If so, why? I've never seen anything like
it on a non-GFS volume.
-Jeff
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