Re: Can we replace namenode machine with some other machine ?

[Steve Loughran]

On 22/09/11 17:13, Michael Segel wrote:

I agree w Steve except on one thing...

RAID 5 Bad. RAID 10 (1+0) good.

Sorry this goes back to my RDBMs days where RAID 5 will kill your performance 
and worse...


sorry, I should have said RAID >=5. The main thing is you don't want the 
NN data lost. ever