On Oct 31, 2017, at 07:35, Andrew Elwell <[email protected]> wrote: > > > > On 31 Oct. 2017 07:20, "Dilger, Andreas" <[email protected]> wrote: >> >> Having a larger MDT isn't bad if you plan future expansion. That said, you >> would get better performance over FDR if you used SSDs for the MDT rather >> than HDDs (if you aren't already planning this), and for a single OSS you >> probably don't need the extra MDT capacity. With both ldiskfs+LVM and ZFS >> you can also expand the MDT size in the future if you need more capacity. > > Can someone with wiki editing rights summarise the advantages of different > hardware combinations? For example I remember Daniel @ NCI had some nice > comments about which components (MDS v OSS) benefited from faster cores over > thread count and where more RAM was important. > > I feel this would be useful for people building small test systems and > comparing vendor responses for large tenders.
Everyone has wiki editing rights, you just need to register... Cheers, Andreas -- Andreas Dilger Lustre Principal Architect Intel Corporation _______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
