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<span>> , any "ls" could take ages.</span>
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<span>Check if you large directories either with many files or simply large.</span>
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<span>Verify if you have NFS exported GPFS.</span>
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<span>Verify that your cache settings on the clients are large enough ( maxStatCache , maxFilesToCache , sharedMemLimit )</span>
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<span>Verify that you have dedicated metadata luns ( metadataOnly )</span>
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<span>Reference:</span>
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<span>https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/General%20Parallel%20File%20System%20%28GPFS%29/page/Tuning%20Parameters</span>
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<span>Note:</span>
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<span>If possible monitor your metadata luns on the storage directly.</span>
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<span>hth</span>
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<span>Hajo</span>
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