Hi, while doing some stress testing with bonnie++ i'm seeing always these messages accross all osd's here is just an example for osd.2. All machines are connected with 2x 1Gbit/s bonding mode 6 to a HP switch. 2012-05-11 08:58:52.752057 osd.2 192.168.0.102:6801/4798 3218 : [WRN] old request osd_op(mds.0.1:49546 200.00000027 [write 1643206~13552] 1.379675e3) v4 received at 2012-05-11 08:58:22.044033 currently waiting for sub ops 2012-05-11 08:58:52.752059 osd.2 192.168.0.102:6801/4798 3219 : [WRN] old request osd_op(client.4108.1:28755 10000008004.00000266 [write 0~4194304] 0.79b497c7 snapc 1=[]) received at 2012-05-11 08:58:22.026435 currently waiting for sub ops 2012-05-11 08:58:52.752061 osd.2 192.168.0.102:6801/4798 3220 : [WRN] old request osd_op(client.4108.1:28762 10000008004.0000026d [write 0~4194304] 0.493cb0d4 snapc 1=[]) received at 2012-05-11 08:58:22.191536 currently waiting for sub ops 2012-05-11 08:58:52.752064 osd.2 192.168.0.102:6801/4798 3221 : [WRN] old request osd_op(client.4108.1:28765 10000008004.00000270 [write 0~4194304] 0.b2f1b144 snapc 1=[]) received at 2012-05-11 08:58:22.290388 currently waiting for sub ops 2012-05-11 08:58:52.752066 osd.2 192.168.0.102:6801/4798 3222 : [WRN] old request osd_op(client.4108.1:28774 10000008004.00000279 [write 0~4194304] 0.2373c652 snapc 1=[]) received at 2012-05-11 08:58:22.392604 currently waiting for sub ops 2012-05-11 08:58:52.752068 osd.2 192.168.0.102:6801/4798 3223 : [WRN] old request osd_op(client.4108.1:28775 10000008004.0000027a [write 0~4194304] 0.24a58617 snapc 1=[]) received at 2012-05-11 08:58:22.455618 currently waiting for sub ops 2012-05-11 08:58:52.752070 osd.2 192.168.0.102:6801/4798 3224 : [WRN] old request osd_op(client.4108.1:28777 10000008004.0000027c [write 0~4194304] 0.1c900a76 snapc 1=[]) received at 2012-05-11 08:58:22.527086 currently waiting for sub ops 2012-05-11 08:58:53.752212 osd.2 192.168.0.102:6801/4798 3225 : [WRN] old request osd_op(client.4108.1:28808 10000008004.0000029b [write 0~4194304] 0.46c529aa snapc 1=[]) received at 2012-05-11 08:58:23.252258 currently waiting for sub ops Stefan -- 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