On 04/12/2013 12:06 PM, 高佳乐 wrote:
Hi Everyone:

     I’m using glusterfs-3.4.0alpha.There has always been a high
iowait node in the cluster.Some
opearations such as lookup,mkdir,rename...will block until timeout (1800s) is 
happened.

     Is there a solution to this or an alternative that you can offer?



Can you please provide more details on the volume type and the workload/nature of operations being done on the mount point?

Also, looking into the brick log files might provide you with some information on what is happening.

-Vijay


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