How to schedule a powerCli script with task scheduler
It's incredible how many hours it takes every time you have to schedule something with the windows task scheduler…. this thing has cost me one hour and a half so I thought to write this article to save time to those who are in the same situation. First we must separate two situations: pre powerCli […]
ESXi upgrade operation failed – Error: permission denied on Dell server
Not long ago I came across this problem in groped to update a esxi update1 5.5 from version to version update3 on a Dell R630 server arrived with esxi preinstalled on a raid1 two SD cards. The attempt to update is made by inserting the CD at the server boot time (in reality […]
Configure Dell servers with vsphere 5.5/6.0 for Compellent SC2020 SAS connectivity
Last week I managed a new vmware infrastructure composed by 2 Dell FC630 servers, inside a FX2 chassis , and a Compellenet SC2020 with 12 GB SAS connectivity as storage . While verifing the status of the just set up infrastructure, and still not fully configured, I noticed right away that something was not working properly […]
vSphere 6 Agent can’t send heartbeats: host is down
Last week I updated a small infrastructure composed by two vsphere nodes and a vcenter from vsphere 5.5 to vsphere 6 going to the vcenter in the appliance format. The customer had not provided a DNS, and then we tried to work around the problem by using the hosts file of the vcenter and the two esxi hosts […]
How to import and use an SSL certificate on a vmware horizon view connection server or security server
Here's how to import an SSL certificate in a connection server (the procedure is identical for the security server). This mini guide assumes that you already have a certificate that contains the private key so in a .pfx or .p12 format. 1) Connect to the connection server (or security server) on which you want to import the certificate 2) Open the mmc […]
vExpert 2015 second half announcement
This year, at the suggestion of one of my bosses (Andrea_Mauro) and a colleague (PaoloTTW) I tried to apply for vExpert 2015 because I have now 7 years (more or less) of experience in vmware environment and hundreds of installations, migrations, infrastructures troubleshooting (by which I write an occasional article […]
vCenter in place upgrade from 5.5 to 6
A very simple guide to perform an in place upgrade of vCenter Server 5.5 to version 6. First of all the vCenter machine hardware prerequisites for Version 6: 2 vCPUs 8 GB of RAM At least 15 GB of hard disk space during the upgrade First scaricatevi ISO […]
In vSphere 5.5 the Rescan All does not show new lun after patching.
This is an error encountered during the installation of an infrastructure of 3 nodes with a SAS storage 12G (in this case an MD3420) After applying the patch 5.5.0 2068190 (update2) to 5.5.0 2718055 the Rescan All does not show the new LUN while the old ones still works. This is due to a […]
