Re: [ceph-users] Ceph Latency

2017-04-21 Thread Rath, Sven
Hi Tobias, I had a simmilar problem with supermicro and this HBA: https://storage.microsemi.com/en-us/support/sas/sas/aha-1000-8i8e/ The problem was because of incompatibility of the aacraid module/driver and CentOS 7.3. I had to go to CentOS 7.2 with kernel 3.10.0-327.el7.x86_64 as the driver w

Re: [ceph-users] osd slow response when formatting rbd image

2017-04-21 Thread Rath, Sven
Hi all, today i probably found a solution for this (unfortunately not the reason) The problem only occurs when using ceph-kraken version on my clients. If i use ceph-jewel (which was running on my iscsi gateways) the problem does not appear. Best regards, Sven Von: Rath, Sven Gesendet

[ceph-users] osd slow response when formatting rbd image

2017-04-20 Thread Rath, Sven
Hi all, hope you are all doing well and maybe some of you can help me with a problem i'm focusing recently. I started to evaluate ceph a couple of months ago and I now have a very strange problem while formatting rbd images. The Problem only occurs when using rbd images directly with the kernel