Hi. Thanks for explanation.
So to understand, using Namenode in Xen under DRBD is something people already did? By the way, I guess your remark was about Dom0 disk being to busy, and resulting in timeouts from NameNode as the result? Regards. 2009/9/16 Edward Capriolo <[email protected]> > On Wed, Sep 16, 2009 at 3:35 PM, Stas Oskin <[email protected]> wrote: > > Hi. > > > > I just wondered - have ever someone tried an approach similar to this > one, > > in order to reach HA with Xen? > > http://www.drbd.org/users-guide/ch-xen.html > > > > Regards. > > > > DRDB yes. see: > http://www.cloudera.com/blog/2009/07/22/hadoop-ha-configuration/ > > Really, when the question is DRBD + ZEN +"software X" the answer is always > YES. > > Maybe on the high,high end issues like disk activity exceeding the > ethernet capacity can be an issue, but for HDFS namenode you should be > fine. (This problem would likely only occur with a very active disk > like a database.) > > Edward >
