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How is the current NFS mount mounted?
What are your system specs for the NFS server?
Are other functions of the NFS server slow?
Are small file transfers slow?
Are large file transfers slow?
A RedHat server has storage from a network-attached storage array mounted over NFS. Read/writes to this mount are slow. How would you go about diagnosing the issue, what commands would you use and why? If you had access to the NFS-storage system what general things could you check for here?
You still have not answered all the questions that have been asked.
New questions:
What type of network storage? (iSCSI, FC, etc......)
Are you making an NFS server from another NFS server (Mounting and NFS location and sharing it back out as an NFS location)?
A RedHat server has storage from a network-attached storage array mounted over NFS. Read/writes to this mount are slow. How would you go about diagnosing the issue, what commands would you use and why? If you had access to the NFS-storage system what general things could you check for here?
This is an "exam cram" question (i.e. "homework"). I don't believe the OP doesn't really has a RedHat server; I don't think there's actually any performance issue. He's just looking for a stock answer to a test question.
sashankavrn -
In the real world, "facts" that you can "memorize" are FAR less important than "concepts" that you "learn". If you haven't already done so, I strongly urge you to get ahold of a Linux system (and, perhaps, a JBoss server) and experiment with them.
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