Re: [Openstack] Cinder iscsi performance

2018-01-15 Thread Jimmy Colestock
Thanks Remo, Agree’d, ephemeral will pretty much always be faster, I’m seeing orders of magnitude difference between the 2, at times. After a bunch of testing, I’m pretty convinced its not KVM/QEMU or iscsi configurations, it’s looking like its something with my 3par configuration. Initially

Re: [Openstack] Cinder iscsi performance

2018-01-15 Thread Jimmy Colestock
Hey Ivan, Running 3par for my back end.. Just replied back to another user, but at this point I don’t think its anything on my Openstack or iscsi set up, After doing a bunch of tests, with no consistent results, time to dig into my 3par config. Thanks for the reply.. JC Jim Colestock j

Re: [Openstack] Cinder iscsi performance

2018-01-12 Thread Ivan Kolodyazhny
Hi Jim, What target driver do you use? LIO should be faster than a default tgtd. Regards, Ivan Kolodyazhny, http://blog.e0ne.info/ On Fri, Jan 12, 2018 at 4:27 PM, Jimmy Colestock wrote: > Hello All, > > Fighting an issue with cinder iscsi performance being much slow than local > ephemeral dis