The ramblings of a computer geek
If and when a log disk begins to fill up you will see messages such as “Log Disk Exhaustion on <vcenter name>”. Within the vCenter console and VAMI you can see the log drive is running low on space. If you are using VMware HA for vCenter, i.e. two vCenter appliances, you will need to […]
More...We had a VMware ESXi host start to display this following a networking instability issue. The host was checked and it did indeed have network redundancy, so this message was not correct, and appeared to be stuck warning about a condition that did not exist. Resolution is given in: https://kb.vmware.com/s/article/2008602, and in our case just […]
More...The Microsoft licensing agreements are made based on the number of processor cores (or sockets) that are in use by the physical or virtual hosts that make use of Microsoft software. The Microsoft licensing allows for a VMware ESXi host’s CPUs (or cores) to be licensed instead of the vCPU (virtual CPUs) of each virtual […]
More...The array OS 5.1.x and later supports iSCSI Group Scoped Target (GST) on iSCSI arrays (this is new), previous to this it was using VST Volume Scoped Targeting. GST reduces the number of individual host connections you need to configure and manage, which saves you time and also ensures you don’t hit limitations in the […]
More...
The Path Selection Policy is set for devices to determine how the ESXi host will utilise the paths to the storage, for example, you can have “Fixed” or “Round Robin” or “Most Recently Used”, you can also have storage vendor provided ones such as “NIMBLE_PSP_DIRECTED”. The scripts and commands I’ve found keep mentioning “Multipathing”, if […]
More...We had a very odd situation occur on one of our VMware ESXi 7.0.3 clusters (VMware ESXi, 7.0.3, 20328353), which is using iSCSI with HPE Nimble Storage. Some new storage was presented to the hosts via iSCSI. The first host was scanned, the datastore prepared as normal. Once complete, then started to perform a re-scan […]
More...
Hashicorp’s Terraform is an Infrastructure as Code (IaC) declarative language that allows you to define the existence and state of objects within your infrastructure and then publish this new state to your infrastructure. Terraform is agnostic of platform, you can use a wide range of “providers” to manage a number of different infrastructure components from […]
More...I had a host that was showing devices with no datastore, saying “Not Consumed”. This is what you’d expect to see for a device where the device has yet to be formatted with VMFS. Now in this case it definitely had a VMFS filesystem created. The fix for this was fairly simple. Essentially the host […]
More...
You may see the following error when attempting to perform an upgrade to a host, the issue is also described in: https://www.vcloudnine.de/upgrade-to-esxi-7-0-missing-dependencies-vibs-error/ We came across this issue when attempting to upgrade to version 7.0.3 of VMware ESXi, these hosts had some driver VIB updates performed over their lifetime to remediate PSOD issues. Upon attempting an […]
More...
If you are having trouble uploading a file via SCP to vCenter then VMware provide a great document on how to resolve this. You’ll be seeing an error like: https://kb.vmware.com/s/article/2107727 Essentially what you need to do is logon via SSH to vCenter, swap the Shell to BASH, upload the file, then swap the Shell back […]
More...