Data ONTAP® 8.2
Upgrade and Revert/Downgrade Guide
For 7-Mode
Updated for 8.2.1
Planning your upgrade
Planning an upgrade to a Data ONTAP-v system
Planning your upgrade with Upgrade Advisor
Upgrade process steps
Guidelines for estimating the duration of the upgrade process
Recommendations for all systems upgrading to this release
Upgrade host requirements
Requirements when upgrading from a Windows or UNIX client using the CIFS or NFS protocols
Requirements when upgrading from an HTTP server
Upgrade requirements for SnapMirror
How SnapMirror upgrade impacts restart checkpoints
Upgrade requirements for systems mirroring each other
Preserving Snapshot copies
Information about low-memory V-Series system upgrade
Release family upgrade requirements
Major and minor upgrade types
Understanding upgrades between release families
Required intermediate upgrades
Upgrades within a release family
Nondisruptive upgrade requirements
When to use nondisruptive upgrades
When not to use nondisruptive upgrades
Requirements for nondisruptive upgrades on all systems
Requirements for nondisruptive upgrades on systems with deduplicated volumes
Disruptive upgrade requirements
Identifying potential upgrade issues
Upgrade issues with the Data ONTAP 8.2 release family
Changes to behavior in the Data ONTAP 8.2 release family
Preparing for the upgrade
Verifying system requirements
Ensuring that there is adequate free space in every volume containing LUNs
Verifying that deduplicated volumes and aggregates contain sufficient free space
Determining the required firmware for your disks
Verifying the HA pair configuration
Creating a performance baseline with Perfstat Converged
Preparing for nondisruptive upgrades
Preparing for nondisruptive upgrades on systems with VMware ESX server hosts
Obtaining Data ONTAP software images
Obtaining images for HTTP servers
Copying the software image to the HTTP server
Copying software images from the HTTP server without installing the images
Obtaining images for UNIX clients
Mounting the storage system on your client
Obtaining software images for UNIX clients
Obtaining images for Windows clients
Mapping the storage system to your Windows host
Obtaining software images for Windows clients
Commands for managing files in the /etc/software directory
Installing Data ONTAP software images
Installing software images from an HTTP server
Installing software images from the /etc/software directory
Downloading and upgrading new Data ONTAP software
Upgrading in a SnapMirror environment
Upgrading nondisruptively in a SnapMirror environment
UpgradingHA configurations from an earlier release family nondisruptively
Upgrading HA pairs within a release family nondisruptively
Upgrading HA configurations using the disruptive method
Upgrading single systems
Verifying system status after an upgrade
Updating firmware
System firmware updates
How BIOS system firmware is updated
Updating system firmware nondisruptively
Updating system firmware using the disruptive method
Disk firmware updates
How disk firmware is updated
When you need to update the Disk Qualification Package
Service availability during disk firmware updates
Detecting outdated disk firmware using AutoSupport
Disk shelf firmware updates
How disk shelf firmware is updated
Detecting outdated disk shelf firmware
How ACP firmware is updated
Service Processor firmware updates
RLM firmware updates
How Flash Cache firmware is updated
Reverting to an earlier Data ONTAP release family
When to revert and when to call technical support
Planning your reversion
Reversion checklist
General reversion requirements
Requirements for reverting configured systems
Special system files
Identifying potential reversion issues
Preparing to revert Data ONTAP
Commands for addressing reversion requirements
Preparing to revert production systems
Requirements for reverting to a Data ONTAP release with a lower maximum capacity
Order for SnapMirror system reversions
Considerations for reverting a system with deduplicated volumes
Reverting systems with compressed volumes
Reverting a SnapMirror destination system with volumes that use deduplication or clone operations
Staging the target Data ONTAP image
Performing the reversion process
Reverting Data ONTAP
Updating SP firmware
Completing post-reversion tasks
Re-enabling NDMP on a reverted system
Reinstatement of in-order frame delivery after reversion
Considerations for downgrading the SP firmware
Reinstalling the required V-Series license after revert or downgrade
Downgrading to an earlier release in the same release family
When to downgrade and when to call technical support
Planning your downgrade
Downgrade checklist
General downgrade requirements
Identifying downgrade issues
Preparing to downgrade Data ONTAP
Commands for addressing downgrade requirements
Staging the target Data ONTAP image
Performing the downgrade process
Downgrading Data ONTAP using the nondisruptive method
Downgrading Data ONTAP using the disruptive method
Updating SP firmware
Completing post-downgrade tasks
Reinstalling the required V-Series license after revert or downgrade
Optimal service availability during upgrades
How upgrades impact service availability
Considerations for services and protocols during upgrades
Considerations for stateless protocols
Considerations for session-oriented protocols
Understanding background disk firmware updates
Upgrading Data ONTAP-v systems
Upgrade process overview for Data ONTAP-v systems
Recommendations for Data ONTAP-v systems upgrading to this release
Preparing for a Data ONTAP-v system upgrade
Obtaining software images for Data ONTAP-v systems
Copying the software image to the HTTP server
Copying the software image from the HTTP server to the storage system
Installing software images on Data ONTAP-v systems
Installing software images
Verifying Data ONTAP-v system status after an upgrade
Copyright information
Trademark information
How to send your comments