Frequently Asked Questions (FAQ) about Increasing Storage on Big Data Service Clusters
(Doc ID 2784086.1)
Last updated on JUNE 15, 2021
Applies to:Big Data Service on OCI - Version N/A and later
Frequently Asked Questions (FAQ) about increasing storage on Big Data Service (BDS) clusters.
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In this Document
|Questions and Answers|
|How many disks can be added to Worker nodes in a BDS cluster?|
|In a worker node with 12 volumes (disks), is it possible to add more storage?|
|Is it possible to resize the disk for each existing worker node to 48TB?|
|How much storage can be added to existing worker nodes?|
|What is the maximum storage which can be added to a worker node with 12 volumes?|
|When increasing storage is it necessary to stop any services in Cloudera Manager (CM)?|
|Does the ADD_BLOCK_STORAGE Work Request require that any manual OS or configuration updates?|
|If adding 3.2 TB will ADD_BLOCK_STORAGE add 1 disk with 3.2 TB or will it partition the existing disks so each has more storage?|
|When increasing storage will adding one disk with all the storage provide better performance than adding several disks each with a slice of the storage?|
|If services need to be restarted is it necessary to wait for the ADD_BLOCK_STORAGE Work Request to complete?|
|Should the cluster be in "GOOD" health before adding storage?|
|If there is no DataNode on a worker node will storage be added to the node?|