Hi Yusaku, Thank you for your reply, unfortunately that's not the problem - the new slave node has a single drive, so is using the default data directory path. I'll post this to the Ambari list.
Regards, Charles On 16 September 2014 23:12, Yusaku Sako <yus...@hortonworks.com> wrote: > Charles, > > If the newly added slave node has an extra disk that the other nodes > don't have, then you will have to do the following on the Ambari Web > UI so that "dfs.data.dir" is reflected to include this extra drive for > that node: > * Go to Services > HDFS > Configs > * Click on "Manage Config Groups" link > * Create a new HDFS Configuration Group (name it appropriately), add > the slave host in question to that group, and Save. > * In the list of configs for HDFS, you will see "DataNode directories" > with the current directories set up for DataNodes for all other hosts. > * Click on the "+" next to "DataNode directories" and list out all the > drives for this new DataNode. > * Save the configuration changes. > * Restart the DataNode. > * Ambari (and HDFS) should start reflecting the added disk space. > > I hope this solves your problem. > > FYI, there's an Ambari-specific mailing list at u...@ambari.apache.org > that you can subscribe by sending an email to > user-subscr...@ambari.apache.org. > > Thanks, > Yusaku > > > On Tue, Sep 16, 2014 at 5:28 AM, Charles Robertson > <charles.robert...@gmail.com> wrote: > > Hi all, > > > > I've added a new slave node to my cluster with a (single) larger disk > size > > (100Gb) than on the other nodes. However, Amabri is reporting a total of > 8.6 > > Gb disk space. lsblk correctly reports the disk size. > > > > Does anyone why this might be? As I understand things you need to tell > HDFS > > how much space *not* to use, and it will use what it needs from the rest. > > > > (BTW this is not the same data node in my other question on this list, > > "Cannot start DataNode after adding new volume.") > > > > Thanks, > > Charles > > -- > 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. >