Try doing unmount -l Sent from my iPhone
> On Feb 13, 2014, at 11:10 AM, "Arpit Agarwal" <aagar...@hortonworks.com> > wrote: > > bcc'ed hadoop-user > > Lei, perhaps hbase-user can help. > > ---------- Forwarded message ---------- > From: lei liu <liulei...@gmail.com> > Date: Thu, Feb 13, 2014 at 1:04 AM > Subject: umount bad disk > To: user@hadoop.apache.org > > > I use HBase0.96 and CDH4.3.1. > > I use Short-Circuit Local Read: > <property> > <name>dfs.client.read.shortcircuit</name> > <value>true</value> > </property> > <property> > <name>dfs.domain.socket.path</name> > <value>/home/hadoop/cdh4-dn-socket/dn_socket</value> > </property> > > When one disk is bad, because the RegionServer open some file on the disk, so > I don't run "umount", example: > sudo umount -f /disk10 > umount2: Device or resource busy > > > umount: /disk10: device is busy > umount2: Device or resource busy > umount: /disk10: device is busy > > I must stop RegionServer in order to run umount command. > > > How can don't stop RegionServer and delete the bad disk. > > Thanks, > > LiuLei > > > > > > > > > > > > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity to > which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader of > this message is not the intended recipient, you are hereby notified that any > printing, copying, dissemination, distribution, disclosure or forwarding of > this communication is strictly prohibited. If you have received this > communication in error, please contact the sender immediately and delete it > from your system. Thank You.