March 3, 201610 yr Ok basically as the title says I am upgrading my CPU and Mobo. I am coming from an AMD athlon x3, unlocked to quad core, to a 4790S and H97 mobo. Basically I just want to know is there any kind of pitfalls or issues I can expect when I go to make this upgrade? Or is it literally just a case of replacing the parts and booting from the usb stick and away I go?? Also I currently run with 8gb of ddr3 (2x4gb DIMMs). This was an upgrade from 4gb (2x2gb DIMMS). I still have the 2x2gb DIMMs. My question is should i just stick with the 2x4gb DIMMs for 8gb total or should I throw the 2x2gb in too for a total of 12gb?
March 3, 201610 yr Run memtest on the new CPU/MB/RAM if you have a spare PSU and the heatsink won't mess up installation of the MB into your case I just recently swapped CPUs and MBs on two builds, here is what I did: 1 ) Screenshot/list drive order pay attention to model/serial numbers 2 ) set array & any docker/VMs to not start automatically 3 ) power down and switch components 4 ) power up, if it boots fine yay! If not, look into that 5 ) check drive order, is it the same as step 1? 6 ) start array and see if your shares show up, then check your VM configs (moved IOMMU groups are likely) 7 ) start testing VMs 8 ) set everything back to start automatically
March 3, 201610 yr Author I should mention that I have my SSD's, cache drives, connected via a PCI-E sata controller card.... Will this be a problem in terms of trying to connect the same drives to the same ports? in grand scheme of things this isnt really gonna be too much of an issue really just means i will have to re install my dockers. but nothing major in that. My data drives shouldnt be too much of an issue. I have a hot swap bay that i can just mark the connection on the back to the equivalent post on the mobo. I dont run VM's at the moment so that isnt an issue. the upgrade is manly for the extra horse power for plex. Also what would you suggest with the memory? 8gb (2x4gb) or 12gb(2x4gb,2x2gb)
March 3, 201610 yr I should mention that I have my SSD's, cache drives, connected via a PCI-E sata controller card.... Will this be a problem in terms of trying to connect the same drives to the same ports? in grand scheme of things this isnt really gonna be too much of an issue really just means i will have to re install my dockers. but nothing major in that. My data drives shouldnt be too much of an issue. I have a hot swap bay that i can just mark the connection on the back to the equivalent post on the mobo. I dont run VM's at the moment so that isnt an issue. the upgrade is manly for the extra horse power for plex. Also what would you suggest with the memory? 8gb (2x4gb) or 12gb(2x4gb,2x2gb) I've had no issue with where the drives were connected (PCI-e card or MB). I've used 8 GB in both of my servers, still running 8 GB in my dual CPU box until my ECC RAM shows up. That's with one or two VMs, dockers, and a few plugins. Never really hit the upper limit of RAM when I was paying attention, maybe hit 7 GB of 8 GB. Also, my personal preference is to not mix RAM sizes. Depending on your controller card and MB configuration you may want the SSDs on the MB if it has SATAIII ports and the PCI-e controller is only SATAII.
March 3, 201610 yr Doesn't matter what drive is connected where, unRAID will figure them out based on the drive serial number. I have had 5 motherboards in my 2 servers and never had any trouble, it always just started up like nothing happened.
March 3, 201610 yr I dont run VM's at the moment so that isnt an issue. the upgrade is manly for the extra horse power for plex. Also what would you suggest with the memory? 8gb (2x4gb) or 12gb(2x4gb,2x2gb) I'd stick with 8GB (2x4GB) for now. You should be more stable running two sticks of RAM and you'll be able to run unRAID plus a bunch of Dockers with that.
March 3, 201610 yr ... Also what would you suggest with the memory? 8gb (2x4gb) or 12gb(2x4gb,2x2gb) There's nothing wrong with mixing sizes, but I would NOT use 4 modules in a dual channel board that uses unbuffered memory -- especially without ECC. Either stay with 8GB; or use 8GB modules and install 16GB (2 x 8GB) ... but leave the other two slots empty.
March 3, 201610 yr Author Thanks for the replies. I was thinking this was for the best hense why I never installed the whole lot to begin with. Just thought I'd ask since i have the extra ram lying around. oh and i made sure to buy SATA III PCI-e controllers. So thats not an issue.
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