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vmware vmdk scsi0:0: Unsupported or invalid disk type 7.

When attempting to boot up a vmware server VMDK disk file onto an ESXi server, you may encounter the following error. Module DevicePowerOn power on failed. Unable to create virtual SCSI device for scsi0:0, ‘/vmfs/volumes/xxxxxxxx-xxxxxxxx-xxxx-xxxxxxxxxxxx/panama-restored/panama.vmdk’ Failed to open disk scsi0:0: Unsupported or invalid disk type 7. Make sure that the disk has been imported. A […]

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vmware 2.0.2 centos 5.4 gcc unstable

After much frustration with vmware’s web interface crashing (See errors/notes below), I finally?discovered the correct google search phrase to?reveal?the solution.   Basically, glibc that gets installed/upgraded with CentOS 5.4 is causing the vmware-hostd to crash. See the following URL/Address for details.   Here is how I resolved the issue on my CentOS 5.4 […]

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Plesk inside OpenVZ memory problems

I believe that the errors encountered below when installing Plesk inside an OpenVZ Virtual Environment (VE) were encountered as a result of memory allocation issues.? Plesk recommends 256MB RAM minimum for 100 domains. However, I’ve found that this does not seem to be enough in a VE. On the hardware node (HN), here is the […]

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OpenVZ free memory in container not correct

According to the recommendation on the OpenVZ page below, Table C recommends settings for 256MB RAM for a container (VE) that seems incorrect to me. For the values of privvmpages, vmguarpages, oomguarpages, & shmpages, the values are multiplied by 4 in terms of available memory on the VE.? For this reason, the recommended values […]

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date: cannot set date: Operation not permitted (OpenVZ)

Upon installation of an OpenVZ container (VE/Virtual Environment) I was unable to set the date, and the time-zone was incorrect.? Attempts to set the date resulted in the following error. # date 031612482009 date: cannot set date: Operation not permitted   To correct this problem, exit from the container (#exit) and issue the following commands. […]

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DNS not resolving in openvz container (VE)

After creating and starting a container on OpenVZ, dns was not functioning by default.? Pinging google receives the following error.   # ping -c 1 unknown host   Whoa, this page seems a bit overkill.   Instead, I simply added the following two lines to /etc/sysconfig/iptables /etc/sysconfig/iptables (on HN) -A RH-Firewall-1-INPUT -d #.#.#.# […]

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