Re: [ceph-users] Poor RBD performance as LIO iSCSI target

2014-10-28 Thread Christopher Spearman
Sage: That'd be my assumption, performance looked pretty fantastic over loop until it started being used it heavily Mike: The configs you asked for are at the end of this message I've subtracted & changed some info, iqn/wwn/portal, for security purposes. The raw & loop target configs are all in

[ceph-users] Poor RBD performance as LIO iSCSI target

2014-10-28 Thread Christopher Spearman
I've noticed a pretty steep performance degradation when using RBDs with LIO. I've tried a multitude of configurations to see if there are any changes in performance and I've only found a few that work (sort of). Details about the systems being used: - All network hardware for data is 10gbe, the

Re: [ceph-users] Poor RBD performance as LIO iSCSI target

2014-10-27 Thread Christopher Spearman
Hi Nick, Thanks for the response, I'm glad to hear you've got something that provides reasonable performance, that brings some hope to my situation. I am using the kernel RBD client. Using a different OS for the gateway/iSCSI nodes was going to be my next step. Especially now, seeing that you ha

[ceph-users] Poor RBD performance as LIO iSCSI target

2014-10-27 Thread Christopher Spearman
I've noticed a pretty steep performance degradation when using RBDs with LIO. I've tried a multitude of configurations to see if there are any changes in performance and I've only found a few that work (sort of). Details about the systems being used: - All network hardware for data is 10gbe, the