You are talking about the min_size, which should be 2 according to your text.
Please be aware, the min_size in your CRUSH is _not_ the replica size. The replica size is set with your pools. > Op 7 okt. 2017 om 19:39 heeft Peter Linder <peter.lin...@fiberdirekt.se> het > volgende geschreven: > >> On 10/7/2017 7:36 PM, Дробышевский, Владимир wrote: >> Hello! >> >> 2017-10-07 19:12 GMT+05:00 Peter Linder >> <peter.lin...@fiberdirekt.se>: >> >>> The idea is to select an nvme osd, and >>> then select the rest from hdd osds in different datacenters (see crush >>> map below for hierarchy). >>> >> It's a little bit aside of the question, but why do you want to mix SSDs and >> HDDs in the same pool? Do you have read-intensive workload and going to use >> primary-affinity to get all reads from nvme? >> >> > Yes, this is pretty much the idea, getting the performance from NVMe > reads, while still maintaining triple redundancy and a reasonable cost. > > >> -- >> Regards, >> Vladimir > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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