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Panic! UNIX® System Crash Dump Analysis by Kimberley Brown, Chris Drake

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Chapter 37. Disk Woes in the Wee Hours

Instead of a customer system, this case history involves one of the systems in the Sun UK offices. The system is one of the older Sun-4/400 servers, one of the first SPARC-based systems Sun manufactured.

At one time, the system, Zen, was heavily used as a home file system server for several different departments as well as a disk server for several diskless systems. Now, its work load is much lighter.

Between July 25th and October 2nd, Zen experienced four system crashes. Let’s take a look at them.

Get initial information

Since we have four crashes, the approach we will take this time is to gather some initial information from each crash dump and see if we are going to be working with one type of problem or more. ...

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