RE: Ceph slow request unstable issue

2013-01-17 Thread Sage Weil
) Xiaoxi -Original Message- From: Sage Weil [mailto:s...@inktank.com] Sent: 2013?1?17? 10:35 To: Chen, Xiaoxi Subject: RE: Ceph slow request unstable issue On Thu, 17 Jan 2013, Chen, Xiaoxi wrote: No, on the OSD node, not the same node. OSD node with 3.2 kernel while

Re: Ceph slow request unstable issue

2013-01-16 Thread Sage Weil
Hi, On Wed, 16 Jan 2013, Andrey Korolyov wrote: On Wed, Jan 16, 2013 at 4:58 AM, Chen, Xiaoxi xiaoxi.c...@intel.com wrote: Hi list, We are suffering from OSD or OS down when there is continuing high pressure on the Ceph rack. Basically we are on Ubuntu 12.04+ Ceph

Re: Ceph slow request unstable issue

2013-01-16 Thread Andrey Korolyov
On Wed, Jan 16, 2013 at 10:35 PM, Andrey Korolyov and...@xdel.ru wrote: On Wed, Jan 16, 2013 at 8:58 PM, Sage Weil s...@inktank.com wrote: Hi, On Wed, 16 Jan 2013, Andrey Korolyov wrote: On Wed, Jan 16, 2013 at 4:58 AM, Chen, Xiaoxi xiaoxi.c...@intel.com wrote: Hi list, We are

RE: Ceph slow request unstable issue

2013-01-16 Thread Sage Weil
Weil [mailto:s...@inktank.com] Sent: 2013?1?17? 0:59 To: Andrey Korolyov Cc: Chen, Xiaoxi; ceph-devel@vger.kernel.org Subject: Re: Ceph slow request unstable issue Hi, On Wed, 16 Jan 2013, Andrey Korolyov wrote: On Wed, Jan 16, 2013 at 4:58 AM, Chen, Xiaoxi xiaoxi.c...@intel.com wrote

RE: Ceph slow request unstable issue

2013-01-16 Thread Chen, Xiaoxi
) Xiaoxi -Original Message- From: Sage Weil [mailto:s...@inktank.com] Sent: 2013年1月17日 10:35 To: Chen, Xiaoxi Subject: RE: Ceph slow request unstable issue On Thu, 17 Jan 2013, Chen, Xiaoxi wrote: No, on the OSD node, not the same node. OSD node with 3.2 kernel while client node with 3.6

Ceph slow request unstable issue

2013-01-15 Thread Chen, Xiaoxi
Hi list, We are suffering from OSD or OS down when there is continuing high pressure on the Ceph rack. Basically we are on Ubuntu 12.04+ Ceph 0.56.1, 6 nodes, in each nodes with 20 * spindles + 4* SSDs as journal.(120 spindles in total) We create a lots of RBD volumes