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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
Linux x86-64

Purpose

Frequently Asked Questions (FAQ) about increasing storage on Big Data Service (BDS) clusters.

Questions and Answers

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In this Document
Purpose
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?
References


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