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Joe said: Both happen on Linux machines. On Unix machines I have seen various databases (in order, Informix, Sybase and least frequently Oracle) go casters up and require lengthy rebuilds. I think it depends to a large extent on system load, and (one would hope) it happens less frequently now. ------ Yep. Remember back in the day when eBay would be down for hours/days on end? I believe they were (are still?) on Sun? The error messages always stated "corrupted databases, needed to rebuild." This was back in late 99/early 2000. I've seen DBXREF's get smoked ONCE in my 24+ system-years of experience (8 boxes/3+years) on the iSeries. MAYBE 10 damaged objects. MAYBE. Never had to restore from tape either, just do what the error message said (open the file/display it/retry operation) and voila! fixed. Now 8.58Gb 10k RPM drives? I kid you not - 30+ failures. =) Thank the Lord in heaven for RAID. jch
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