Thanks for all the replies. In summary; consumer grade SSD is a no go. What is an alternative to SM863a? Since it is quite hard to get these due non non-stock.
Thanks! Sinan > Op 23 dec. 2019 om 08:50 heeft Eneko Lacunza <elacu...@binovo.es> het > volgende geschreven: > > Hi Sinan, > > Just to reiterate: don't do this. Consumer SSDs will destroy your enterprise > SSD's performance. > > Our office cluster is made of consumer-grade servers: cheap gaming > motherboards, memory, ryzen processors, desktop HDDs. But SSD drives are > Enterprise, we had awful experiences with consumer SSDs (some perform worse > that HDDs with Ceph). > > Cheers > Eneko > >> El 19/12/19 a las 20:20, Sinan Polat escribió: >> Hi all, >> >> Thanks for the replies. I am not worried about their lifetime. We will be >> adding only 1 SSD disk per physical server. All SSD’s are enterprise drives. >> If the added consumer grade disk will fail, no problem. >> >> I am more curious regarding their I/O performance. I do want to have 50% >> drop in performance. >> >> So anyone any experience with 860 EVO or Crucial MX500 in a Ceph setup? >> >> Thanks! >> >>> Op 19 dec. 2019 om 19:18 heeft Mark Nelson <mnel...@redhat.com> het >>> volgende geschreven: >>> >>> The way I try to look at this is: >>> >>> >>> 1) How much more do the enterprise grade drives cost? >>> >>> 2) What are the benefits? (Faster performance, longer life, etc) >>> >>> 3) How much does it cost to deal with downtime, diagnose issues, and >>> replace malfunctioning hardware? >>> >>> >>> My personal take is that enterprise drives are usually worth it. There may >>> be consumer grade drives that may be worth considering in very specific >>> scenarios if they still have power loss protection and high write >>> durability. Even when I was in academia years ago with very limited >>> budgets, we got burned with consumer grade SSDs to the point where we had >>> to replace them all. You have to be very careful and know exactly what you >>> are buying. >>> >>> >>> Mark >>> >>> >>>> On 12/19/19 12:04 PM, jes...@krogh.cc wrote: >>>> I dont think “usually” is good enough in a production setup. >>>> >>>> >>>> >>>> Sent from myMail for iOS >>>> >>>> >>>> Thursday, 19 December 2019, 12.09 +0100 from Виталий Филиппов >>>> <vita...@yourcmc.ru>: >>>> >>>> Usually it doesn't, it only harms performance and probably SSD >>>> lifetime >>>> too >>>> >>>> > I would not be running ceph on ssds without powerloss protection. I >>>> > delivers a potential data loss scenario >>>> >>>> >>>> _______________________________________________ >>>> ceph-users mailing list >>>> ceph-users@lists.ceph.com >>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@lists.ceph.com >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > -- > Zuzendari Teknikoa / Director Técnico > Binovo IT Human Project, S.L. > Telf. 943569206 > Astigarragako bidea 2, 2º izq. oficina 11; 20180 Oiartzun (Gipuzkoa) > www.binovo.es > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
