VMware VCB works by creating snapshots of VMs in quiescing state. If, while attempting to backup a VM, the following error shows up: ..  ‘vcbMounter’ 3076465472 error] Error: Backup snapshot already exists. ..  ‘vcbMounter’ 3076465472 error] An error occurred, cleaning up… There are probably some hanging snapshots of the VM that need to go. It [...]

Cannot Power xxxx. host on: Invalid virtual machine configuration. This error is a nice “catch all” and leads to configuration files corruption, improper snapshotting of VMs and other horror stories. My case is just one of “administration sloppiness”.. Indeed it’s worth to be mentioned to avoid some body’s else scratch their heads and think being [...]

It happened to me : transferring huge data files using TCP/IP based protocols is a pain when latency is noticeable. This is a problem that becomes more and more visible when you have computers or applications on different Clouds. Asperasoft is well known for their FASP product: a Layer 7 protocol for fast and reliable [...]

B-Virtual is a Belgian company living symbiotically with cloud solution provider  A-Server and developing an IDA-based (Information Dispersal Algorithm) file system. A traditional disk subsystem obtains resiliency against data-loss by duplicating information (RAID 1 for example) or by adding check-sum stripes (for example: RAID 5). In typical Tier 3 or Tier 4 data-center applications, data [...]

Stunning how things go fast. As the VMware frenzy about vCloud Express is still hot (vCloud being substantially  a long due API interface to perform capacity management), somewhat less of public domain happens: RightScale (my darling company) is supporting vCloud Express. It means we, common humans, could consolidate all types of Clouds we might want: [...]