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Our disks on one of our servers are showing 100% utilization but no read or write.

here is the output of iostat -xc 1 and errors on syslog https://gist.github.com/4110533

status info from raid card sudo tw-cli /c6 show https://gist.github.com/4110611

Latest firmware version is installed on raid card. What may be the problem?

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