yes correct I am using Hbase on hdfs with hadoop-2.7.3 The file system is ext4.
I was hoping that I can avoid the sync option, many thanks Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw>* http://talebzadehmich.wordpress.com *Disclaimer:* Use it at your own risk. Any and all responsibility for any loss, damage or destruction of data or any other property which may arise from relying on this email's technical content is explicitly disclaimed. The author will in no case be liable for any monetary damages arising from such loss, damage or destruction. On 7 June 2018 at 01:43, Sean Busbey <bus...@apache.org> wrote: > On Wed, Jun 6, 2018 at 6:11 PM, Mich Talebzadeh > <mich.talebza...@gmail.com> wrote: > > > > > > so the region server started OK but then I had a problem with master :( > > > > java.lang.IllegalStateException: The procedure WAL relies on the > ability to > > hsync for proper operation during component failures, but the underlying > > filesystem does not support doing so. Please check the config value of > > 'hbase.procedure.store.wal.use.hsync' to set the desired level of > > robustness and ensure the config value of 'hbase.wal.dir' points to a > > FileSystem mount that can provide it. > > > > This error means that you're running on top of a Filesystem that > doesn't provide sync. > > Are you using HDFS? What version? >
