Den ons 20 maj 2020 kl 12:00 skrev Ignazio Cassano <ignaziocassano@xxxxxxxxx >: > Hello All, > We have 6 servers. > Configuration for each server: > 1 ssd for mon (only on three servers) > 1 ssd 1.9 TB for db/wal > 1 nvme 1.6 TB for db/wal > 10 SAS hdd 3.6 TB for osd > We decided to create a pool of 30 osd (5x6) with db/wal on ssd and a pool > of 30 (5x6) osd with db/wal on nvme. > So we create a vm on the pool with db.wal on ssd and a vm on the pool with > db/wal on nvme. > Fio performances are almost the same on both . > What do you think about it ? > I expect better performance on pool with db/wal on pci express nvme > Perhaps most of the time is lost talking over the network, making the small differences in how well ssd -vs- nvme perform not visible. -- May the most significant bit of your life be positive. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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