On Tue, Aug 3, 2021 at 3:18 PM <regl...@gmail.com> wrote: > Yes - local as in 5400 RPM SATA - standard desktop, slow storage.. :) > > It's still 'slow' being 5400 RPM SATA, but after setting the new VM to > 'VirtIO-SCSI' and loading the driver, the performance is 'as expected'. I > don't notice with with the Linux VMs because they don't do anything that > requires a lot of disk I/O. Mostly Ansible/Python education and such. > > https://i.postimg.cc/28f764yb/Untitled.png > > I actually have some super fast Serial SCSI SSD drives I am going to use > in the future. A storage vendor where I worked at ordered a bunch by > mistake to upgrade our storage array and then left them sitting on-site for > like 9 months. I contacted them to remind them we still had them in our > data center and asked if they wanted to come and get them. I joked with our > field engineer and told him if they didn't want them, I could find a use > for them! He actually contacted his manager who gave us approval to just > 'dispose' of them. So I thought why not recycle them? :) > > I'm in the process of moving soon for a new job. Once I get settled, I'm > going to upgrade the storage I use for VMs. Either to those SSDs or maybe a > small NAS device. Ideally.. a NAS device that can support Serial SCSI. I'll > need to get a controller and a cable for them, but considering the > performance... it should be well worth it. And no - I didn't get fired for > swiping the drives! Too many years invested in IT for something that stupid > and I'm just not that kind of person anyway. I took a position that's a bit > more 'administrative' and less technical; but with better pay, so I want to > keep my tech skills sharp, just because I enjoy it. > > This is just a 'home lab' - nothing that supports anything even remotely > important. I'm so used to SSD now.. my desktop OS is on SSD, my CentOS > machine is on SSD.. putting Windows on spinning platters is just painful > anymore! >
While I do have big oVirt setups running on pure SSD storage, I must admit that Windows (and Linux VMs) are perfectly usable on HDD software RAIDs, *if* everything is configured correctly (and you have a lot of RAM). E.g. I'm typing this message on a Fedora VM running (w/ VFIO + nVidia GPU + USB passthrough) on a pretty beefy 8 y/o Xeon machine with 6 x 2TB MDRAID and ~10 other VMs (including Windows), and unless multiple VMs are trashing the disks, I get near bare-metal performance. (I even run 3D games on this VM...) - Gilboa > _______________________________________________ > Users mailing list -- users@ovirt.org > To unsubscribe send an email to users-le...@ovirt.org > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/5EVF6FR7Z46A2PI26EYJGBJBFF7LUGVX/ >
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