Collecting core dumps gives VMware support (and massochists) something to evaluate in the event of an ESXi PSOD. Collecting and viewing ESXi core dumps involves serveral elements- ESXi configuration, collector configuration and a dump viewer.
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ISCSI, Delayed ACK and the Confused VMware Hypervisor
I’ve recently had the pleasure of taking over management of a customer’s DR environment. It’s in pretty good shape, mostly. Much more modern hardware than I often see, save for the iSCSI VM storage. iSCSI
Read moreESXi LUN Masking with ESXCLI
Take a look at the following screenshot- How many disks are mapped or connected to this host? If I then showed you this screenshot, would it change your mind? LUN masking on ESXi goes against
Read moreReset Locked ESXi Root Account
By default, 10 failed logins to ESXi will lock the account. vCenter opens up a few options for changing a password (setting a new password with a host profile being the obvious one that springs
Read morePerforming Scripted ESXi Installation
Interactive installations of ESXi are great in theory but what about when the datacenter scales in size? There are a few options when it comes to automating ESXi installation- one is the scripted installation. Scripted
Read moreAdd ESXi 6.5 Hosts to an Active Directory Domain
You have everything hooked up to AD, right? There’s no better way to compromise your entire lab than having a SSO password for just about everything. I’m not (entirely) serious of course, but that’s a
Read more‘The host returns esxupdate error code:15.’ with VSAN and USB Boot Disks
I was recently having some difficulty with VMware Update Manager. Remediating each host in my lab failed with The host returns esxupdate error code:15. This was one of those very satisfying situations that I managed
Read moreInstalling VUM – Some Caveats
I recently had the the great, great pleasure of discovering VMware Update Manager or VUM but as with most things in my environment, it wasn’t a straightforward install. VUM is only made for Windows but
Read moreWhat are the odds of duplicate MAC addresses?
What are the odds that you buy two motherboards- from the same manufacturer but at different times, and end up with duplicate MAC addresses? I’m currently in the process of building a new homelab and,
Read moreChange ESXi Host Static IP Address
I have been restructuring my homelab quite a bit- mainly segregating certain virtual machines onto their own VLANs- and decided to tidy up IP allocation on VLAN0. This is already a sensitive subject for me.
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