Many thanks Ignazio Il Ven 12 Mar 2021, 00:04 Reed Dier <reed.dier@xxxxxxxxxxx> ha scritto: > I'm going to echo what Stefan said. > > I would ditch the 2x SATA drives to free up your slots. > Replace with an M.2 or SATADOM. > > I would also recommend moving from the 2x X710-DA2 cards to 1x X710-DA4 > card. > It can't saturate the x8 slot, and it frees up a PCIe slot for possibly > another NVMe card or something else if you need it down the line. > > The only other thing I would say to consider is making sure you know the > endurance of the 4510 is enough for your workload long term. > > Reed > > > On Mar 10, 2021, at 1:12 PM, Stefan Kooman <stefan@xxxxxx> wrote: > > > > On 3/10/21 5:43 PM, Ignazio Cassano wrote: > >> Hello, what do you think about of ceph cluster made up of 6 nodes each > one > >> with the following configuration ? > >> A+ Server 1113S-WN10RT > >> Barebone > >> Supermicro A+ Server 1113S-WN10RT - 1U - 10x U.2 NVMe - 2x M.2 - Dual > >> 10-Gigabit LAN - 750W Redundant > >> Processor > >> AMD EPYC™ 7272 Processor 12-core 2.90GHz 64MB Cache (120W) > >> Memory > >> 8 x 8GB PC4-25600 3200MHz DDR4 ECC RDIMM > > > > ^^ I would double that amount of RAM, especially (see below) if you plan > on adding more NVMe drives. > > > >> U.2/U.3 NVMe Drive > >> 5 x 8.0TB Intel® SSD DC P4510 Series U.2 PCIe 3.1 x4 NVMe Solid State > Drive > >> Hard Drive > > > > ^^ Why 5 * 8.0 TB instead of 10 * 4.0 TB? Are you planning on upgrading > later? Ceph likes more OSDs better than fewer larger ones. Recovery will be > faster as well, and the impact of one NVMe dying will be lower. > > > >> 2 x 240GB Intel® SSD D3-S4610 Series 2.5" SATA 6.0Gb/s Solid State Drive > > > > ^^ Do you sacrifce two NVMe ports for two SATA OS disks? If so, I would > advise for getting (redundant, optional) U.2 NVMe or SATADOM or similar. > > > >> Network Card > >> 2 x Intel® 10-Gigabit Ethernet Converged Network Adapter X710-DA2 (2x > SFP+) > >> Server Management > > > > ^ Why two? One for "public" and one for "cluster"? Than most probably > you won't need that, and one bond would suffice (see current Ceph best > practices). If you need 40 Gb/s in one LACP trunk: perfectly fine. > > > > Gr. Stefan > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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