[SunHELP] Help with RAID

Jeffrey Nonken jeff_work at nonken.net
Thu Jun 5 08:40:30 CDT 2003


On Wed, 4 Jun 2003 15:50:54 -0400, Phil Stracchino <alaric at caerllewys.net>
wrote:

> Calculating the statistical odds of losing both disks of one mirror vs.
> losing one disk from each stripe is left as an exercise for the reader.

After the initial disk failure, chances are 1 in n-1 that the next one will
be the mirror, assuming equal failure rates in all the drives, same age,
etc., where n is the number of drives in the set.

If you have older and newer drives, consider stacking the newest drives on
one side of the mirror.

---
Your data have been quick-fried to a crackly crunch.



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