[OpenIndiana-discuss] rpool defragmentation

[Andrew Gabriel]

Floris van Essen ..:: House of Ancients Amstafs ::.. wrote:
> Hi All,
>
> If i read this correct, and one would have a heavily fragmented zpool ( doesn't matter if it's the rpool , or the data pool), and wanted to defrag  , provided you have mirrors, remove the mirrored disks, remove the partition on it, and read it...
> After that is done resilvering, do the same for the other disks....
>   

No, I suspect I was wrong. I have seen a performance gain after 
resilvering, but I don't currently understand where it comes from. I'll 
need to do some investigating, and see if I can reproduce it with 
spacemap histograms.

-- 
Andrew