2011/2/26 Marius Stoica <mariustoica@gmail.com>:

Hi there,

Here, at Arad County Library, we are preparing to implement Koha, but recently the people with whom we work suggested that installing a virtual machine with Koha is a choice we can take into account. I specify that for implementing Koha we have a Fujitsu Siemens Primergy TX200S4, with Quad Core Intel Xeon E5420, 2.5 Ghz, 6GB RAM, mainboard with RAID controller, 2x750 GB HDD, Gigabit Ethernet card and around 200.000 SQL records data base.

Is there any serious threat or disadvantage on using a virtual machine?

The trade off is performance vs. convenience of management. Virtual machines can perform surprisingly well but getting the configuration correct can be hit and miss and normally requires some combination of luck and expertise. Using virtual machines allows you to set up experimental configurations and complete, easy to restore, system backups and similar things very easily--some great benefits. They don't protect you in the event of a hardware failure though so they fall more in the category of 'advanced convenience'. You do have a machine that sounds like it would support virtualisation nicely (multiple cores and lots of memory are the keys). Unless you a specific need / interest my own inclination might be to not fool with it in this case. It's just one more thing that might cause trouble. -reed

Any ideas, suggestions are welcomed. Thanks!

Warm regards? Marius S

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