> On 1 Jun 2017, at 14:38, Steve Taylor <steve.taylor@xxxxxxxxxxxxxxxx> wrote: > > I saw this on several servers, and it took a while to track down as you can imagine. Same symptoms you're reporting. Thanks, that’s very useful info. We’re using separate Adaptec controllers, but will double check firmware on them. Who knows, it may even be a read cache issue. I think we’re OK with the kernel, running recent CentOS. Cheers all, Oliver. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com