Thanks a lot for all this advice guys. I still learn with Ceph. So I have a doubt regarding how to change the weight from certain hdd Is there some command to do that?
Em sex, 31 de ago de 2018 05:58, Ronny Aasen <[email protected]> escreveu: > when adding a older machine to your cluster, keep in mind that the > slowest node with determine the overall speed of the ceph cluster (since > a vm's disk will be spread all over) > > > for RBD vm's you want low latency, so use things like > nvram > ssd > hdd with osd latency significant difference here. > > 100Gb/25Gb > 40Gb/10Gb (1Gb is useless in this case imho) > > as long as you have enough cores, higher ghz is better then lower ghz. > due to lower latency > > kind regards. > Ronny Aasen > > > > On 31. aug. 2018 00:21, Gilberto Nunes wrote: > > An HPE Server will remain after deploy 3 servers with proxmox and ceph. > > I thing I will use this HPE server as 4th node! > > > > > > --- > > Gilberto Nunes Ferreira > > > > (47) 3025-5907 > > (47) 99676-7530 - Whatsapp / Telegram > > > > Skype: gilberto.nunes36 > > > > > > > > > > 2018-08-30 18:16 GMT-03:00 Ronny Aasen <[email protected]>: > > > >> if HA is important, you should consider having a 4th ceph osd server > (does > >> not have to also be proxmox) > >> > >> with ceph's default of 3 replicas, that you will want to use in a > >> production setup, you do not have any failure domain. > >> IOW the loss of any one node = a degraded ceph cluster. if you have an > >> additional node, ceph will rebalance and return to HEALTH_OK on the > failure > >> of a node. > >> > >> with vm's iops are important so you must keep latency to a minimum. > >> > >> both of these are explained a bit more in detail in the link he posted. > >> > >> > >> kind regards > >> Ronny Aasen > >> > >> > >> > >> On 30.08.2018 20:46, Gilberto Nunes wrote: > >> > >>> Hi Martin. > >>> > >>> Not really worried about highest performance, but to know if it will > work > >>> properly, mainly HA! > >>> I plan work with mesh network too. > >>> > >>> Tanks a lot > >>> > >>> --- > >>> Gilberto Nunes Ferreira > >>> > >>> (47) 3025-5907 > >>> (47) 99676-7530 - Whatsapp / Telegram > >>> > >>> Skype: gilberto.nunes36 > >>> > >>> > >>> > >>> > >>> 2018-08-30 15:40 GMT-03:00 Martin Maurer <[email protected]>: > >>> > >>> Hello, > >>>> > >>>> Not really. Please read in detail the following: > >>>> > >>>> https://forum.proxmox.com/threads/proxmox-ve-ceph-benchmark- > >>>> 2018-02.41761/ > >>>> > >>>> > >>>> On 30.08.2018 16:47, Gilberto Nunes wrote: > >>>> > >>>> Hi there > >>>>> > >>>>> It's possible create a scenario with 3 PowerEdge r540, with Proxmox > and > >>>>> Ceph. > >>>>> The server has this configuration: > >>>>> > >>>>> 32 GB memory > >>>>> SAS 2x 300 GB > >>>>> SSD 1x 480 GB > >>>>> > >>>>> 2 VM with SQL and Windows server. > >>>>> > >>>>> Thanks > >>>>> > >>>>> --- > >>>>> Gilberto Nunes Ferreira > >>>>> > >>>>> (47) 3025-5907 > >>>>> (47) 99676-7530 - Whatsapp / Telegram > >>>>> > >>>>> Skype: gilberto.nunes36 > >>>>> _______________________________________________ > >>>>> pve-user mailing list > >>>>> [email protected] > >>>>> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > >>>>> > >>>>> > >>>>> -- > >>>> Best Regards, > >>>> > >>>> Martin Maurer > >>>> > >>>> [email protected] > >>>> http://www.proxmox.com > >>>> > >>>> ____________________________________________________________________ > >>>> Proxmox Server Solutions GmbH > >>>> Bräuhausgasse 37, 1050 Vienna, Austria > >>>> Commercial register no.: FN 258879 f > >>>> Registration office: Handelsgericht Wien > >>>> > >>>> _______________________________________________ > >>>> pve-user mailing list > >>>> [email protected] > >>>> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > >>>> > >>>> _______________________________________________ > >>> pve-user mailing list > >>> [email protected] > >>> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > >>> > >> > >> > >> _______________________________________________ > >> pve-user mailing list > >> [email protected] > >> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > >> > > _______________________________________________ > > pve-user mailing list > > [email protected] > > https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > > > > _______________________________________________ > pve-user mailing list > [email protected] > https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > _______________________________________________ pve-user mailing list [email protected] https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
