Category Archives: VMware

vCSA warning: The /storage/xxx filesystem is low on disk space or inodes

Problem The webinterface of the VMware vCenter Server Appliance shows the following warning message: The /storage/xxx filesystem is low on disk space or inodes Solution Check the free space of the vCSA using SSH and the command df –h. See VMware KB article for explanation about which VMDK is used for corresponding mount points. Increase the disk size of the… Read more »

Patch VMware vCenter Server Appliance 6.x

Short instructions Search for “VC 6.0.0” patch on the download page https://my.vmware.com/group/vmware/patch. Download the corresponding ISO files. Upload the ISO files to a VMware storage and mount it to the VCSA virtual appliance. Connect with “root” to the VCSA shall using putty and run the following command: software-packages install –-iso Follow the instructions on the shell. Reboot the virtual appliance… Read more »

Error: sysimage.fault.SSLCertificateError

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Problem You receive the following error message, if you start vSphere Client. Cause The certificate of the vCenter server may have been changed/replaced. You’ll need to re-register vSphere Update Manager with vCenter. Solution Open “VMwareUpdateManagerUtility.exe” in “C:\Program Files (x86)\VMware\Infrastructure\Update Manager”. Enter credentials for the vCenter server and press “Login”. Go to “Re-register to vCenter Server”, enter your credentials again and… Read more »

Consolidate virtual machine disk files fails with “Unable to access file since it is locked”

Problem You may receive the following error message if you try to consolidate disk files of a virtual machine in VMware. Cause One of the virtual disks may be in use by any backup appliance such as “vSphere Data Protection”. To ensure, check all attached disks of the virtual machine, by editing the settings and check if there’s any disk… Read more »

VDP appliance hangs on startup

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Problem The VMware VDP appliance (VMware Data Protection) hangs on startup at: Starting VDP appliance systems Solutions It’s possible that the appliance only needs more time to startup correctly. I have seen situations where it took about 2 hours (!!) to startup. If the appliance is not correctly starting up after several hours, it may hang. Do the following steps… Read more »

Perform a silent upgrade of VMware Tools without restart

Problem You want to update the VMware Tools of a virtual machine without affecting the running machine (no restart). Solution In vCenter, right-click on the virtual machine and choose “Guest” -> “Install/Upgrade VMware Tools”. Put the following parameters into the “Advanced Options” field: Windows /S /v”/qn REBOOT=R” Linux –default

Manually update VMware tools on a Linux virtual machine

Instructions Make sure the virtual machine is powered on and correctly started up. Choose “Install/Upgrade VMware Tools” from menu “VM” > “Guest”. Logon to the guest operating system by using the root account. Type “Mount” to verify if the CDROM has already been mounted. If the CD-ROM is mounted, it should be shown like: /dev/cdrom on /mnt/cdrom type iso9660 (ro,nosuid,nodev)… Read more »