With 0.93, I tried ceph tell 'osd.*' injectargs '--ms_crc_data=false' '--ms_crc_header=false' and saw the changes reflected in ceph admin-daemon But having done that, perf top still shows time being spent in crc32 routines. Is there some other parameter that needs changing? -- Tom Deneau -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html