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How to non-disruptively migrate a node's root aggregate onto new disks in Clustered Data ONTAP 8.2 and 8.3

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Applies to

  • Clustered Data ONTAP 8.3 
  • Clustered Data ONTAP 8.2  

Description

This article describes the procedure that should be followed to create a new root aggregate non-disruptively and have it host the root volume in clustered Data ONTAP 8.2 and 8.3.
 
Data ONTAP 8.3 introduced a new feature called Advanced Disk Partitioning. This feature allows the root aggregate to be hosted on a thin partition using disks that are shared for data aggregates. On system initialization, 12-24 disks are divided into a large 'P1' partition for data aggregates and into a small 'P2' partition for the root aggregate. Only re-initializing each node (option 4) will place the root aggregate onto shared disks and it is not possible to do this non-disruptively. However, it is possible to non-disruptively move the root volume off of shared disks and onto normal un-partitioned disks located on an external disk shelf using this KB, but this will reduce storage efficiently and is not recommended unless advised by Technical Support. For more information on how to configure the root aggregate to use shared disks using Advanced Disk Partitioning (ADP) on Data ONTAP 8.3, see the article How to upgrade and re-initialize FAS25xx, FAS22xx, and All-Flash FAS platforms to use the Advanced Drive Partitioning feature in Data ONTAP 8.3.
 

 

 

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