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A better btrfs

A better btrfs

Posted Jan 20, 2008 20:57 UTC (Sun) by giraffedata (subscriber, #1954)
In reply to: A better btrfs by Cato
Parent article: A better btrfs

I think error rate per system is more useful than error rate per disk, but as I said, even error rate per system isn't terribly useful. Error rate per system administrator is considerably more useful.

If a major cost of disk errors is a system administrator having to replace a disk, restore from backup, recreate data, etc., then you care how many times a year the system administrator has to do that. Consolidating data from two systems onto one doubles your error rate per system, but doesn't mean you have to increase your RAID redundancy and such because the error rate per system administrator is still the same. On the other hand, piling a terabyte of movies onto the systems managed by a system administrator increases that error rate and might require some new method of dealing with the errors.

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