[Linux-cluster] GFS Performance Problem

Fri Sep 9 18:19:27 UTC 2005

We have a 6 node cluster (RHEL3 + GFS 6.0.2-25),  we are running with a SLM
Embedded.  One on the nodes streams data to the GFS and the other nodes
process the data.  The problem is that it now takes more than twice as long
to acquire the data than when the node was standalone.  If we unmount the
GFS from all the nodes except the one acquiring the data and the node
running the lock manager--the acquisition takes the same amount of time as
the standalone configuration.  Sometimes there are seconds of inactivity on
the RAID when before there was none.
Any suggestions would be greatly appreciated.

Frank L. Setinsek
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