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dannyman
Web UI says: "Node has one or more failed disks. For details, look at /opt/mapr/logs/faileddisk.log"   Command line says: 0-10:26 djh@mapr-11 ~$ cat /opt/mapr/logs/faileddisk.log cat: /opt/mapr/logs/faileddisk.log: No such file or directory 1-10:30 djh@mapr-11 ~$ sudo /opt/mapr/server/mrconfig disk list ListDisks resp: status 0 count=12
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olu_jolly
I just installed a 3 node MapR cluster on AWS, right from the installation I realised that the ~CLDB  on the nodes apart from the master node were always falling off and I had to restart them through MCS.   I have even now relaised that the Zookeeper on the masternode is also not stable, I have to keep restarting it.   When I
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foudroyantanalytics
MapR manages raw, unformatted devices directly to optimize performance and offer high availability. For data nodes, allocate at least 3 unmounted physical drives or partitions for MapR storage. MapR uses disk spindles in parallel for faster read/write bandwidth and therefore groups disks into sets of three. MapR-FS. Provide at least 8 GB of free
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foudroyantanalytics
I tried to install MapR but failed. When clicked on the stop, it hung from last 8 hours   There are 177 errors: Error Occurred-Error code:-1 1:57:00 PM  Error Occurred-Error code:-1 1:57:00 PM Error Occurred-Error code:-1 1:57:00 PM Error Occurred-Error code:-1 1:57:00 PM Error Occurred-Error code:-1 1:57:00 PM   2016-07-23
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foudroyantanalytics
I have successfully installed MapR Cluster. However, in the MCS I could able to see only one node instead of 3. I searched all the local directories and observed that in the node which is up, audit, logs, metrics folders were there but in the other folders named by other node names, these folders are not there. [root@maprnode1 maprnode1]# pwd
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anilmapr
How to Choose cluster size like- how many nodes to build for the specific amount of huge data that currently available in the organization to work on?   Is there any formula to calculate the number of nodes required to fulfill the exact requirements of work Supportive understanding data : Suppose we are having 10 TB of data available in
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anilmapr
Hi we have installed MapR - M3 edition in our company. The machine configurations are HP WorkStation with 16 GB RAM and 1 TB Hard disk. We installed ubuntu in each machine as first step and after that we installed MapR -M3 Edition.TH   1 TB data hard disk space it showing only 200 GB as utilization and not showing the other Memory space.
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