The problem may not be due to a full nisk and/or the lack of contiguous space. It may be due to the type of data on the filer and that your filer may not have enough cache memory.

We have cache age issues but we have been having increasing problems with large files (larger than 1GB and some well over 10GB) and the creation of directories with large number of entries (directories with thousands of sub-directories and files). Both of these can cause the cache age to get very low. The real problem occured for us when we added a lot of high end Linux boxes with Gigabit Ethernet connections that really pound on our filers.

The only fix is to upgrade to a filer with more cache memory. See Bug ID 3986, there is no fix and if you contact NetApp they will suggest the upgrade.

Glenn (yet another one)

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