October 9, 201510 yr So I have pulled a trigger and am building my first 24 bay nas (with norco 4224), based on unraid. I currently have a synology 8 bay NAS and really like the OS. I have been playing around with esxi and vmware and managed to setup dsm in a virtual machine. So I have this idea of running DSM(xpenology) inside of virtual machine inside of unraid(KVM) or on a separate esxi server and map the volume inside of DMS to unraid NFS share. Here is my question hopefully someone can help me with this. My network interface is 1gbit. [*]If I copy something from one folder to another on DSM I am assuming my speed will be halved right? because dsm needs to download file from the unraid and then put it back? [*]Will it matter if the vm is running on unraid or if it is running on a separate server? [*]Will the network card be the limiting factor? [*]What if I connect to the switch using 2x 1gb links? What is the best way get DSM working close to native speed as possible? Any help/input is greatly appreciated!
October 27, 201510 yr bumping it... not sure, but it might get better response in KVM or ESXi forums.
November 1, 201510 yr I would only ever recommend direct access to hard drives for NAS applications like unRAID, DSM/XPE, ZFS, etc. Too many potential issues if you map network storage imo. I have chosen to run XPEnology as a VM under ESXi 5.5. Performance is pretty great, if you passthrough your controller (and therefore your HDDs) to the VM directly. I've done this with a m1015, so I have 8 sata ports avail to XPEnology and all behave exactly as if I were running bare metal. I get drive health info and everything. In fact, I'm fairly certain I could pull the drives and controller out, pop them into another machine and boot XPE on bare metal if I wanted to. Most of my other servers are VMs on the same ESXi box using some mix of local ssd/spinner datastores and some have NFS storage mapped from the XPE VM on the same Host (my security cameras and WMC for example have 1TB and 2TB NFS shares for recordings). My Plex server is the only VM that accesses storage (infrequent cifs, mostly read-only) on another Host over the network (unRAID). I use unRAID 100% for TV/Movie file storage and serving. My unRAID is currently a bare metal build. I have no intentions of running VMs from it, but if you go this route, I think you would have the best performance for something like XPEnology with passed through HBA controllers and their actual disks just like with ESXi.
February 23, 201610 yr Wow, this is exactly what I would like to do with a Dell R710 w/ SAS6/iR.. What did you end up doing? Would like to install Unraid on bare metal having access to 4 HDD through the dell controller for VM's and NAS and have XPEnology as another VM with passthrough to a m1015 and assign direct access to 4 HDD for the Video Surveillance add-on (for best NVR throughout).
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