Unless I miss something on AVLinux: On Saturday 03 October 2009 21:36:54 Jörn Nettingsmeier wrote: > Jonathan E. Brickman wrote: > >> You should at least use RAID6. > > 1. How does RAID6 differ from RAID5? > raid 6 uses a more elaborate algorithm than the simple parity of raid5, > to calculate two redundant bits. so you can recover from the failure of > two disks out of a raid6 array. Loosing two disks means you got more then two coupled. If so, you have definitely several of the same charge in that array. (Don't deny it, the human laziness speaks against you.) Recovering will still do heavy load on the disks. Now calculate the probability of two disks of the same charge failing without a third disk of that charge failing during recovery. Pretty low, huh? Use raid10 with at least four disks or direct raid1 of several disks. Or stay dynamic with lvm... Good night, Arnold
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