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Oracle Exadata Database Machine Disk Swap Service Process (Doc ID 1544637.1)

Last updated on OCTOBER 12, 2021

Applies to:

Oracle Exadata Storage Server Software - Version 11.2.2.4.2 and later
Linux x86-64

Goal

The goal of this document is to define the steps required for the Exadata Disk Swap Service.
This document will describe the steps necessary when Exadata Database Machine customers opt for the Exadata Disk Swap Service to be performed. The service allows customers to change the disks in the Exadata storage servers in their X4 and later generation Exadata and Storage Expansion Racks. They can change High Performance disks, either 600Gb or 1.2Tb or 4Tb, 8Tb or 10Tb High Capacity disks to 14Tb High Capacity disks. Swapping from High Capacity disks to High Performance disks is not part of the service. Also, swapping from 600Gb High Performance disks to 1.2Tb High Performance disks is not part of the service. This note will concentrate on Disk Swap for X4, X5, X6 and X7 generation Exadata Database Machines. Please see the table below for the various swapping options.

  • Disk swaps are not supported on V1, V2, X2 and X3 systems.
  • Disk swaps are not supported on 1/8th rack systems.
  • Disk swaps to 10Tb High Capacity disks are not offered
  • 14Tb High Capacity disks are available for order.
  • 14Tb disks can be swapped into X4, X5, X6 and X7 generation Exadata and Storage Expansion Racks, however the cells must be imaged with Exadata Storage Server software version 19.2.0.0.0 or later prior to swapping the disks. Please see document 888828.1 Version and Compatibility for additional Grid Infrastructure software version requirements.
  • 14Tb disks are slightly larger than some previous disks and require new disk cages when swapping from 3Tb, 4Tb, 600Gb or 1.2Tb disks. These disk cages are part of the upgrade kit and must be installed by either Oracle Advanced Customer Support or authorized partners.

The following table shows the various options by Exadata hardware type.

Swap Options by Exadata Hardware Release
Exadata Hardware Original Disk Type Original Disk Size New Disk Type New Disk Size Disk Cage Required
X4 High Capacity 4Tb High Capacity 14Tb Y
X4 High Performance 1.2Tb High Capacity 14Tb Y
X4 High Capacity 8Tb High Capacity 14Tb N
X5 High Capacity 4Tb High Capacity 14Tb Y
X5 High Capacity 8Tb High Capacity 14Tb N
X6 High Capacity 10Tb High Capacity 14Tb N
X7 High Capacity 10tb High Capacity 14Tb N


Depending on the choice of disks, free space and size of the rack, the service can either be performed in an online rolling fashion or must be done offline.  This document will provide the steps for performing both methods providing scripts, automation and sanity checks where possible.

Solution

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In this Document
Goal
Solution
 Current Considerations
 Online/Offline Process Determination
  Online Swap Process
 Online Pre-Swap Checklist
 Online Swap Steps
 Online Swap Process using ASM command REPLACE DISK
 Offline Swap Process
 Offline Pre-Swap Checklist
 Offline Swap Steps
References

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