I would assume CEPH takes the physical disks from each host and combines them into one logical storage for use by the entire cluster?
On Mon, Sep 28, 2020 at 7:39 AM Mike Hammett <af...@ics-il.net> wrote: > CEPH kind of fills the void where you don't need a dedicated, shared > storage box. > > > > ----- > Mike Hammett > Intelligent Computing Solutions <http://www.ics-il.com/> > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > Midwest Internet Exchange <http://www.midwest-ix.com/> > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > ------------------------------ > *From: *"Adam Moffett" <dmmoff...@gmail.com> > *To: *af@af.afmug.com > *Sent: *Monday, September 28, 2020 7:34:14 AM > *Subject: *Re: [AFMUG] Virtual machines > > If you're going to have multiple physical VM hosts then fast shared > storage is very helpful. When you want to reboot a physical machine for OS > upgrade and the VM's are on shared storage then you can migrate them off > that box in a few seconds. Do your maintenance, reboot, migrate VM's > back. No downtime. > On 9/27/2020 11:43 AM, Lewis Bergman wrote: > > Thanks guys. Proxmox didn't even come up in my searches. I'll look into > it. If anyone really knows the space and wouldn't mind spending 15 minutes > discussing what we need I would appreciate it. > > On Sun, Sep 27, 2020, 10:21 AM Bill Prince <part15...@gmail.com> wrote: > >> VMs are a great way to go depending on the job(s) you need to do. As it >> happens a lot of jobs (e.g. DNS) are not particularly compute intensive, so >> it's a great way to stretch resources. We find we can run 3 or 4 virtual >> machines on each physical machine. >> >> We used VMware from the get-go, but did not get many of the paid-for >> bells and whistles. VMware can become pretty expensive, where other >> solutions (e.g. Proxmox) has an advantage because of open source. >> >> The other consideration is containers, which can be thought of as >> VM-lite. Containers provide almost all of the advantages of VMs with a >> significantly lighter load on the hardware. As a result, you can load up >> more applications on less hardware. The leading contender in the container >> space is Kubernetes and it's also open source. >> >> Pick your poison with someone you know who can go over your requirements. >> >> >> bp >> <part15sbs{at}gmail{dot}com> >> >> On 9/27/2020 7:27 AM, Lewis Bergman wrote: >> >> I have decided I needed to get on the VM train. I know, I am only 15 >> years behind. Honestly, till now I haven't had a compelling reason. >> >> I want something that will at least do some monitoring of VM's, backups, >> snapshots, etc. Managed upgrading would be great but not as big a priority >> for me (at least I don't think so). >> >> Since I don't know what I don't know, I am asking the experienced crowd. >> >> It seems the two real choices are VMWare and Zen. Are there others? >> Commercial support seems nice, is it worth paying for? What I will run is >> important for sure. >> >> I spent a few hours last night and I more confused now than when I >> started. >> >> >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- Lewis Bergman 325-439-0533 Cell
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