[OpenIndiana-discuss] System disk corruption

[Richard Elling]

On Feb 20, 2012, at 7:05 AM, Gregory Youngblood wrote:

>> It would be great if there were some kind of software that could be set up to generate .par2 files (with x% data redundancy) on-the-fly to protect files on hard drives without disk redundancy (RAID=0).
> 
> What about telling zfs to maintain more than one copy? Not sure how well data is spread out if there is only one drive though. Anyone know?

Yes. But this cannot be easily explained in words. Pictures are needed. See 
pp 51 to 53.

http://www.slideshare.net/relling/usenix-lisa11-tutorial-zfs-a

 -- richard

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