Hey there,  we're running a CDP PC Base Cluster in our datacenter. In the last months we saw serveral disks failing due to theire age. The Problem we had, is that, when a disk fails, HDFS DN and YARN NM creating directories in the root-vg of the node. During normal operations the DN has it directories on the grids (/grid/[0-16]/*). Is there a parameter to prevent them of writing into the root-vg, when a grid points to the root-vg and not it's physical device under /dev/sd*? Regards,  Timo ... View more

Hey there, we're running CDP Private Cloud Base in 7.1.9 in 4 different Stages (Lab, DEV, QA and Prod). Is it possible to add a banner in different colours to the different WebUIs so that we can always distinguish the stages well? Like changing the colours in Cloudera Manager? Thanks and Regards, Timo ... View more

Hey together,  we're running a CDP Private Cloud Base Cluster with actually 6 Nodes. All 6 Nodes running fully on SSD storage. I found out that HDFS thinks the SSDs are normal disk, because it is not configured as SSD storage like this --> "[SSD]/grid/n/dn", actually its "/grid/n/dn". Now we're planning to add four other servers from an older cluster with normal disks.   My action plan is as follows:  1. configure existing storage/server to SSD -> "[SSD]/grid/n/dn" 2. add the other four server an configure it -> "[DISK]/grid/n/dn" 3. restart recommended services   I've got the following questions:  - Will HDFS distribute the blocks across all nodes (SSD and disk?) without any storage policy configured? So that we have a homogeneous storage.  - How will services react to this changes in storage, for example HBase? - If we configure a homogeneous storage, as i described: does reconfiguring the storage paths of the Datanodes to SSDs add any value/benefit at all? Thanks for your help!   Regards,  Timo ... View more