Hi, I have a situation where I can't decide on the infrastructure, and because of low profile budget they can't affort buying a specialized hardware for the zfs storage, so they're just moving everything into a single VMWare ESX machine, which will hold some Windows servers and some XStream Server virtualized. To let them have also XStream Storage, we decided to virtualize it too inside VMWare, in case they will be able to invest on new hardware later, allowing an easy migration to the new hardware. At first, I was thinking to ask the VMware guys to let me have some of the SAS disks assigned directly to my storage virtual machine, so to handle them via zfs without VMware overhead. But becuase they want to manage VMware backups, they prefer me to use VMware vmdk files. My questions are: - is this a viable solution or should I consider any possible problem? - how big should be vmdk at maximum to be safe? - should I consider having smaller vmdk files inside a single pool in stripe mode? - should I consider having these vmdk files in raid-z mode, considering that the hardware already implements hardware raid? (adopting raidz could be a problem for the backup software that would see much more differences than data itself) Any suggestion would be appreciated. Gabriele.
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