Re: [ceph-users] qemu-rbd and ceph striping

On Thu, Oct 20, 2016 at 1:51 AM, Ahmed Mostafa wrote: > different OSDs PGs -- but more or less correct since the OSDs will process requests for a particular PG sequentially and not in parallel. -- Jason ___ ceph-users

Re: [ceph-users] qemu-rbd and ceph striping

Does this also mean that strip count can be thought of as the number of parrallel writes to different objects at different OSDs ? Thank you On Thursday, 20 October 2016, Jason Dillaman wrote: > librbd (used by QEMU to provide RBD-backed disks) uses librados and > provides

Re: [ceph-users] qemu-rbd and ceph striping

librbd (used by QEMU to provide RBD-backed disks) uses librados and provides the necessary handling for striping across multiple backing objects. When you don't specify "fancy" striping options via "--stripe-count" and "--stripe-unit", it essentially defaults to stripe count of 1 and stripe unit

[ceph-users] qemu-rbd and ceph striping

Hello >From the documentation i understand that clients that uses librados must perform striping for themselves, but i do not understand how could this be if we have striping options in ceph ? i mean i can create rbd images that has configuration for striping, count and unite size. So my