You can find things on the net. Here one starting point:
http://lists.ceph.com/pipermail/ceph-users-ceph.com/2019-May/034890.html
Tuning depends heavily on way too many parameters, so generally applicable
templates are probably non-existent. Every hardware has its own challenges. If
you want to
Here's an example for SCSI disks (the main benefit vs VirtIO is
discard/unmap/TRIM support):
discard='unmap'/>
You also need a VirtIO-SCSI controller to use these, which will look
something like:
function='0x0'/>
Cheers,
Simon.
On 01/07/2020
[Resent to correct title]
Marc:
Here's a template that works here. You'll need to do some steps to
create the 'secret' and make the block devs and so on:
Glad I could contribute something. Sure would appreciate leads for the
suggested sysctls