Memory Leak on the April HP ESXi Image
One of my customers had a whole collection of ESXi 6 hosts that were all installed from the April 2016 HP ESXi ISO image... and they hadn't been patched since then. Well, one day they called me because their Splunk server had started sending out alerts from an alarm that we'd set up to monitor the ESXi hosts for memory leaks. So, I logged into one of the affected hosts to try and figure out what was going on. After poking around in a bunch of logs and a fair amount of google work, I came across this article about a memory leak over at CPU Ready. It sure looked promising. So, I followed their instructions to check the version of the broadcom driver in one of the affected ESXi hosts and, sure enough, it was an older version. Fortunately, HP has a fix available, so I just needed to get it installed on all of the ESXi hosts (since full on ESXi patching wasn't necessarily available, unfortunately). I needed some way to figure out exactly which hosts needed ...