When updating the C1000 software only active was updated

[krzysztofmaciejewskiit]

I have uploaded a new image c1000-universalk9-mz.152-7.E10.bin
show flash:

I used the "boot system switch all flash:c1000-universalk9-mz.152-7.E10.bin" command to set the software on all members of the stack, but it did not set the variable with the new software on all units. So I did it manually:
boot system switch 1 flash:c1000-universalk9-mz.152-7.E10.bin
boot system switch 2 flash:c1000-universalk9-mz.152-7.E10.bin
boot system switch 3 flash:c1000-universalk9-mz.152-7.E10.bin
boot system switch 4 flash:c1000-universalk9-mz.152-7.E10.bin

You can see that only Active Member has updated.

Do you have any ideas why this happened? I also tried unplugging one unit from the power supply however that didn't help either. I also reset the stack members one by one, but also with no effect.

[krzysztofmaciejewskiit]

Has anyone had a similar problem?
Do you think updating from a .tar file will be a better idea than from a .bin file?

[Leo Laohoo · Accepted solution]

The behaviour is not "unusual" because someone updated the stack by manually "copying" the BIN files. 

This is not a recommended process nor is it a best practice either. 

The most effective way is to use the TAR file and use the following command   

archive download-sw tftp://<TFTP_IP_ADDRESS>/filename.tar

With the above command, the process will:

1.  Distribute the BIN file across all switch members;
2.  Correctly change the boot variable string; and
3.  Perform an MD5 hash check to make sure the BIN file is not corrupt.  

[krzysztofmaciejewskiit]

I tested this during today's service window. It works.