Hey Ajit, HDFS-RAID was never part of the 0.20 release. It made its debut in the 0.21 release [1]. I know that Facebook uses it (and also did develop it), but unsure of users beyond Facebook.
While 0.21 overall is not entirely deemed as production-usable yet (and is in fact, possibly abandoned for efforts on 0.22+), you can give that release a whirl on a test cluster and see for yourself if your need beats the stability. Just curious though - why are you looking to use this specifically? [1] - http://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.21/mapreduce/src/contrib/raid/ On Thu, Sep 15, 2011 at 4:37 PM, Ajit Ratnaparkhi <ajit.ratnapar...@gmail.com> wrote: > Hi, > We want to use HDFS-RAID in our production cluster. > (http://wiki.apache.org/hadoop/HDFS-RAID) > I am not able to find source/binaries/configs for this in official hadoop > distribution from apache hadoop. (checked in 0.20.1 and 0.20.2). > Can somebody please tell me where can I find that? and installation > procedure? > Also, is HDFS-RAID implementation stable enough to use in production? > thanks, > Ajit. > -- Harsh J
