[ceph-users] [ceph-osd ] osd can not boot

Hi : A server was just rebooted and the osd cant boot .The log is the following. -3> 2020-01-19 17:39:25.904673 7f5b8e5e9d80 -1 bluestore(/var/lib/ceph/osd/ceph-44) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x0, got 0xd2acc81f, expected 0x62cf539d, device location

Re: [ceph-users] Infiniband backend OSD communication

>From my understanding, the basic idea is that ceph exchange rdma information(qp,gid and so) through ip address on rdma device, and then communicate with each other throng rdma. But in my tests, there seemed to be some issues in that codes. On Fri, Jan 3, 2020 at 2:24 AM Nathan Stratton wrote:

[ceph-users] Can I add existing rgw users to a tenant

Hello: We want to use rgw tenant as a group. But Can I add existing rgw users to a new tenant ? ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

[ceph-users] which tool to use for benchmarking rgw s3, yscb or cosbench

Hi: I found cosbench is a very convenient tool for benchmaring rgw. But when I read papers , I found YCSB tool, https://github.com/brianfrankcooper/YCSB/tree/master/s3 . It seems that this is used for test cloud service , and seems a right tool for our service . Has anyone tried this tool ?

[ceph-users] how to debug slow requests

Hi ceph users: I was doing write benchmark, and found some io will be blocked for a very long time. The following log is one op , it seems to wait for replica to finish. My ceph version is 12.2.4, and the pool is 3+2 EC . Does anyone give me some adives about how I sould debug next ? {

[ceph-users] krbd: Can I only just update krbd module without updating kernal?

Hi: Because of some reasons, I can update the kernal to higher version. So I wonder if I can only just update krbd kernal module ? Has anyone done this before? ___ ceph-users mailing list ceph-users@lists.ceph.com