The IO fencing was an accidental byproduct of how HDFS-200 was implemented, so in fact, HBase won't run correctly on HDFS-265 which does NOT have that IO fencing, right?
On Fri, Aug 5, 2011 at 9:42 AM, Jean-Daniel Cryans <[email protected]> wrote: > On Fri, Aug 5, 2011 at 8:52 AM, M. C. Srivas <[email protected]> wrote: >> The normal behavior would be for the HMaster to make the hlog read-only >> before processing it.... very simple fencing and works on all Posix or >> close-to-Posix systems. Does that not work on HDFS? > > I'm sure you know the answer to that :) > > I agree it would be a better solution as it won't rely on the > "particular" semantics of a single dfs. > > J-D >
