Hi Hugo, On 21 Aug 2014, at 14:17, Hugo Mills <h.r.mi...@reading.ac.uk> wrote:
> > Not sure what you mean about colocated journal/OSD. The journals > aren't on the same device as the OSDs. However, all three journals on > each machine are on the same SSD. <embarrassed> I obviously didn’t drink enough coffee this morning. I read your reply as something like … "On each machine, the three OSD journals live on the same ext4 filesystem on an OSD”. Anyway… what kind of SSD do you have? With iostat -xm 1, do you see high % utilisation on that SSD during these incidents? It could be that you’re exceeding even the iops capacity of the SSD. Cheers, Dan _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
