[ceph-users] Read performance in VMs

Hello, Is there a way to improve sequentials reads in a VM ? My understanding is that a read will be served from a single osd at a time, so it can't be faster than the drive that osd in running on. Is that correct ? Is there any ways to improve this ? Thanks for any answers, Martin __

[ceph-users] Same pg scrubbed over and over (Jewel)

Hello, I noticed that the same pg gets scrubbed repeatedly on our new Jewel cluster: Here's an excerpt from log: 2016-09-20 20:36:31.236123 osd.12 10.1.82.82:6820/14316 150514 : cluster [INF] 25.3f scrub ok 2016-09-20 20:36:32.232918 osd.12 10.1.82.82:6820/14316 150515 : cluster [INF] 25.3f

[ceph-users] rgw cache

Hello, How does the rgw cache work ? Is there any situation in which it would be better to disable it ? Regards, Martin ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

[ceph-users] Can't download some files from RGW

Hello, I have some files that have been uploaded to a Ceph Jewel (10.2.2) cluster but can't be downloaded afterwards. HEAD on the file is successful but GET returns 404. Here is the output from object stat for one of these files : # radosgw-admin object stat --bucket=sam-storage-mtl-8m-00 -

[ceph-users] Problems with multipart RGW uploads.

Hello, I am looking for help with a problem we have with our Jewel (10.2.4-1-g5d3c76c) cluster. Some files (which show up in the bucket listing) cannot be downloaded and return HTTP 404 and "ERROR: got unexpected error when trying to read object: -2" in the rgw log. Regards, Martin