I have hard time understanding your question.
On Fri, Jun 21, 2013 at 12:16 AM, Azuryy Yu <azury...@gmail.com> wrote: > Hi, > > The layout version is -43 until 2.0.4-alpha, but HDFS-4908 changed layout > version to -45. > > so if My test cluster is running hadoop-2.0.4-alpha(-43), which is > upgraded from hadoop-1.0.4, then I want to upgrade using trunk(-45), how to > do? > Layout version can increase (or decrease given it is negative number) by more than 1, when you upgrade to a new release. So 2.0.4-alpha(-43) can upgrade to trunk(-45) version. > > It cannot upgrade under HA, so I can use hadoop-1.0.4 core-site and > hdfs-site, then "start-dfs.sh -upgrade", but standby NN cannot upgrade, > What is preventing you from upgrading? Please add details on what you are doing and what issue you are seeing. Regards, Suresh
