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Unable to downgrade NAS os due to new checkpoint format (Doc ID 1008306.1)

Last updated on AUGUST 27, 2019

Applies to:

Sun Storage 5310 NAS Appliance - Version All Versions and later
Sun Storage 5310 NAS Gateway System - Version All Versions and later
Sun Storage 5320 NAS Appliance - Version All Versions and later
Sun Storage 5210 NAS Appliance - Version All Versions and later
All Platforms

Symptoms


If checkpoints are enabled and volumes have been created while running NAS OS 4.2x, on the Sun StorEdge[TM] 5210/5310 or Sun StorageTek[TM] 5310/5320 NAS products, downgrading to a 4.12 version of the NAS operating system will be prohibited.

If you try to downgrade the NAS OS to this rev with new checkpoints in existence, the following error will be produced.
"Cannot reboot to previous version |
Volumes with new checkpoint format exist"

 

Cause

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