These days I had to troubleshoot a problem with system time within a VMware vSphere VM. During backup VM freezes for more than 30 seconds. When this happens, system time in VM also stops and resets to current time after the freeze. And this behavior causes massive problems in the application-layer. During troubleshooting we found a very slow VM snapshot deletion on NFS volumes on […]
Errors when installing SimpliVity Deployment Manager
To deploy new HPE SimpliVity nodes, you need to run Deployment Manager. Current version at writing: 3.7.6.244. Requirements to run Deployment Manager are: .NET 4.7.1 and Java 1.8. When .NET is not installed during installation, wizard links to Microsoft and starts the download. When Java is not installed or too old, an message is shown at first start. Sounds very simple. Anyway I had some […]
Stuff about SimpliVity
General Information First Hardware Partner is Dell (OmniCube), second is Cisco (OmniStack). These two are certified, but more manufacturer can become a partner in future. HW (Dell): two mirrored disks (rear, uses a separated Raid-controller) used for ESXi, 2x10Gbit, 2x1Gbit, Accelerator Card (NIC Port for diagnosis) Accelerator contains transistors that keeps electric current for 3 minutes. In case of power loss, RAM can be written […]
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