[ale] Lab Workstation Mystery

Scott Plante splante at insightsys.com
Fri Apr 22 12:27:12 EDT 2016


This isn't a solution to the underlying problem, but you might want to consider the "soft" option for the NFS mount. By default, NFS is designed to act like a physical disk in the sense that once the user initiates a write, it will block at that spot until the write completes. This is great if you have a NAS unit in the next rack slot from your database server. However, if you don't need quite that level of write assurance, the "soft" option acts more like a typical remote network share. If a problem occurs, the writer will just get an I/O error and be forced to deal with it. You won't get the kind of system hanging you experience with hard mounts. If you're just saving documents and doing that kind of basic file I/O this is perfect. You're mounting home directories, so you're somewhere in between, but depending on what your users are actually doing, soft mounts may be for you. Again, this doesn't explain the whole re-mounting read-only behavior but it may still be helpful for you to look into. 


Scott
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