This is a similar idea to NFS HA, which you can read about here: https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithNFS.html
This is definitely less preferred compared to using QJM, since you need an external mechanism for fencing writes. FWIW, I don't know of anyone who is still using NFS HA. On Tue, Sep 13, 2016 at 7:31 AM, Zhe Zhang <zhe.zhang.resea...@gmail.com> wrote: > Hi Levi, > > This clearly should go to hdfs-dev instead of common-dev. Just using an HA > storage for fsimage won't allow HDFS work without the current NN-HA > framework. After all fsimage is only a checkpoint of NameNode state. > > On Tue, Sep 13, 2016 at 2:19 AM Levi Nie <levinie...@gmail.com> wrote: > > > Use glusterfs instead of disk to keep fsimage, will it work without HA? > > > -- > Zhe Zhang > Apache Hadoop Committer > http://zhe-thoughts.github.io/about/ | @oldcap >
