Tuesday, February 5, 2019

Just a funny little close call story from this evening...

So a coworker of mine and our new manager went to another nearby location about 30 mins away from the main office to replace a UPS which had died (the battery swelled and popped the chassis cover then the thing failed - never seen that happen before).

After replacing the UPS the HP Procurve 2610 switch was not coming up, and it had a Fault light on the front. Couldn't ping anything. I started sweating as we just had to replace a switch at another office a few days ago which used our only spare POE switch, we had nothing on hand to replace a defective switch.

After a couple tries to blindly reboot the switch I asked my coworker if he had a console cable with him. Shockingly, he did. He hooked it up, power cycled the switch, and the following was on screen (he sent me a photo but it's really low quality so I'll retype):

Flash memory needs reprogramming or chassis could be faulty. Use a PC as the console and perform the update procedure from the backup floppy diskette. If unsuccessful w/ downloading, then try replacing chassis.

Blahblahblah irrelevant text, then a simple => prompt.

I stared at the photo for a moment and my thought process went something like this: "Fuckfuckfuckfuck this aint good... we don't have a replacement... looks like we have corrupted flash so no OS to boot from...WAIT...this is an HP...they have two flashes!"

A quick Google search led me to the command "jp 2" which told the switch to boot from secondary flash... one minute later BAM we were back up and running again, and I just had to Google how to tell the switch to always boot from secondary flash.

So, thanks HP and your dual flash! You saved our asses for now so we can get a replacement switch ordered & shipped out to the site.



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