Netgear GSM7228PS-100NAS 사용자 설명서

Stack Firmware Synchronization Commands

Stack firmware synchronization provides an automatic mechanism to synchronize the 
firmware on stack members whose firmware version differs from the version running on the 
stack manager. This operation can result in either an upgrade or downgrade of firmware on 
the mismatched stack member. However, this operation does not attempt to synchronize the 
stack to the latest firmware in the stack. 

During firmware transfer and upgrade, operations such as code download and move 
management can result in undesirable behavior, such as firmware corruption on a code 
mismatched stack member. As a result, you receive an error if you try to access the following 
operations from the user interface during stack firmware synchronization: 

Move management 

Unit renumbering 

Code download 

Delete image 

Update bootcode 

Clear config 

A reboot operation is allowed during stack firmware synchronization. 

If the firmware is corrupted during stack firmware synchronization, manual intervention by the 
administrator is required to restore the switch to working condition. 

During stack firmware synchronization, traps are generated on start, completion, or failure. 

Non-deterministic upgrade behavior 

On bootup, the image that gets synchronized depends on the one that becomes the 
manager. Which code version the new stack synchronizes to is fully deterministic, but 
might not be obvious to the user as it depends entirely on which unit becomes the 
manager. This might be decided by a MAC address comparison. If the administrator 
wants a particular version to be used by the stack, he should first ensure that this 
particular unit becomes stack manager. 

Bootcode Upgrades 

Bootcode upgrades are not initiated by the stack firmware synchronization. 

This command enables or disables stack firmware synchronization. 

Disabled

boot auto-copy-sw

Privileged EXEC