Replying inline -- Salsa Sent with ProtonMail Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, September 20, 2019 1:31 PM, Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> wrote: > > - Use 2 HDDs for SO using RAID 1 (I've left 3.5TB unallocated in case > > I can use it later for storage) > > OS not? get enterprise ssd as os (I think some recommend it when > colocating monitors, can generate a lot of disk io) Yes, OS. I have no option to get a SSD. > > > - Install CentOS 7.7 > > Good choice > > > - Use 2 vLANs, one for ceph internal usage and another for external > > access. Since they've 4 network adapters, I'll try to bond them in pairs > to speed up network (1Gb). > > Bad, get 10Gbit, yes really Again, that's not an option. We'll have to use the hardware we got. > > > - I'll try to use ceph-ansible for installation. I failed to use it on > > lab, but it seems more recommended. > > Where did you get it from that ansible is recommended? Ansible is a tool > to help you automate deployments, but I have the impression it is mostly > used as a 'I do not know how to install something' so lets use ansible > tool. >From reaing various sites/guides for lab. > > > - Install Ceph Nautilus > > > > > > - Each server will host OSD, MON, MGR and MDS. > > > - One VM for ceph-admin: This wil be used to run ceph-ansible and > > maybe to host some ceph services later > > Don't waste a vm on this? You think it is a waste to have a VM for this? Won't I need another machine to host other ceph services? > > > - I'll have to serve samba, iscsi and probably NFS too. Not sure how > > or on which servers. > > > > > If you want to create a fancy solution, you can use something like mesos > that manages your nfs,smb,iscsi or rgw daemons, so if you bring down a > host, applications automatically move to a different host ;) Hmm, gotta read more on that. Thanks for the advice. > > -----Original Message----- > From: Salsa [mailto:salsa@xxxxxxxxxxxxxx] > Sent: vrijdag 20 september 2019 18:14 > To: ceph-users@xxxxxxxxxxxxxx > Subject: Need advice with setup planning > > I have tested Ceph using VMs but never got to put it to use and had a > lot of trouble to get it to install. > > Now I've been asked to do a production setup using 3 servers (Dell R740) > with 12 4TB each. > > My plan is this: > > - Use 2 HDDs for SO using RAID 1 (I've left 3.5TB unallocated in case I > can use it later for storage) > > - Install CentOS 7.7 > - Use 2 vLANs, one for ceph internal usage and another for external > access. Since they've 4 network adapters, I'll try to bond them in pairs > to speed up network (1Gb). > > - I'll try to use ceph-ansible for installation. I failed to use it on > lab, but it seems more recommended. > > - Install Ceph Nautilus > - Each server will host OSD, MON, MGR and MDS. > - One VM for ceph-admin: This wil be used to run ceph-ansible and maybe > to host some ceph services later > > - I'll have to serve samba, iscsi and probably NFS too. Not sure how or > on which servers. > > Am I missing anything? Am I doing anything "wrong"? > > I searched for some actual guidance on setup but I couldn't find > anything complete, like a good tutorial or reference based on possible > use-cases. > > So, is there any suggestions you could share or links and references I > should take a look? > > Thanks; > > -- > > Salsa > > Sent with ProtonMail https://protonmail.com Secure Email. > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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